Mini cooper s misfire under load. So I decided to change the plugs, wires and coil pack.

Mini cooper s misfire under load A P0300 code signifies that one or more cylinders are experiencing misfires or random misfires. I did do a compression test a Nov 21, 2020 · I have a 2007 R56 Cooper 1. It starts to misfire violently and feels very hesitant. Jul 22, 2014 · Hi guys My mini is running a Evolve Stage 3 map, JCW exhaust, panel filter and Forge intercooler + OCC too 19k miles. I have to turn it off and then back on, and it works again until I accelerate, at which point it goes into limp mode. It misfires only under load? That's usually an ignition issue. I never did check the boost levels while it was stumbling though. Jul 22, 2012 · However, in the brief time I've had my Mini, I don't think the engine is setup for accelerating under a load in the 1500-2000 RPM range. I am thinking that the injector cleaning the dealer did only partial cleaned up the gunk Jan 8, 2023 · When I start the mini Cooper starts to only misfire in cylinder 1 at idle but when revving engine the scan tool reads codes that there is a misfire in cylinder 1,2,3. I have tried cleaning up the leads and Apr 11, 2021 · Hello, I bought a 2012 hatchback base for a very good price because cylinder 1 and 4 were misfiring. Jun 15, 2022 · Hi there, So I just purchased a manual Cooper S R56 2010 with only 28,000km on the clock. Recently started misfiring cylinders 1&3 when cold only. I've had a good search through the forums but can't find any posts that match my symptoms exactly I'm getting an odd hesitation/misfire at low revs when the engine is under load. Well that’s exactly what is happening, the engine shudders and splutters causing the car to shake but there’s no fault codes stored and it doesn’t show up on the Mini dealers “misfire Aug 18, 2012 · A couple of weeks ago i changed my spark plugs and reset the ecu It made everything much smoother and i've been getting better mpg but there has been a slight misfire when i accelerate hard, seems to come in around 3-4k rpm under heavy acceleration. A MINI's self-diagnosis and reporting system is referred to as on-board diagnostics (OBD) in the automotive industry. A cylinder-specific misfire fault states, in the description of the fault, the cylinder in which the fault occurred. Mar 14, 2023 · Under load while building boost from around 2000rpm to 2800rpm there's a misfire. The car is fine at low revs, if you accelerate slowly it's OK, but if you are in any gear at less than 2K revs and try to hit the gas, it judders, will keep juddering until Dec 5, 2024 · We had some issues with misfiring and rough running on a Mini Cooper 1. These flat spots are there at all times whether hot or cold, light or hard acceleration. A misfiring engine can cause poor performance, reduced fuel efficiency, and even damage to the engine and its components over time. My daughter drove the car very short distances for the next few days and all seemed ok. Jun 29, 2016 · Mini Cooper 2001-2006: Why is My Car Misfiring? Misfires can be caused by many variables with 1st generation Mini Coopers, and it can be really frustrating figuring it out. 6L – Cooper S Convertible 1. Malfunction indicator lamp (MIL) will illuminate if certain faults are recorded. It also occasionally flashes Exhaust Vanos jammed, but it is in the 20 degrees position now and moves around a bit. Jul 4, 2021 · most of the cooper s r56 cars i see after owners have replaced coils and all kinds tend to be valve seat issues mainly on exhaust valves after stem seals go hard and dump oil on to backs of valves and crud the valve s and seats and cause misfires, before on these engines throwing any parts at them, pull the exhaust manifold off and rocker cover off charge the bore vie the spark plug hole with are you running good fuel? mine kinda falls on its face above 4k rpm/ heavy load/ max effort with cheap fuel and no codes. with lack of power . Swaped fuel injectors 1 and 3 , misfire cylinder 1 . New carbotechs and BC coilovers made a world of difference. Replaced all 4 spark plugs. Swaped coil cylinder 1 with cylinder 3. If the plug fixes the misfire then I’d recommend replacing the other 3 plus as well Reply reply [deleted] • Feb 11, 2011 · General Tech - Intermittent misfire - Hello, I have recently purchased an 04 mini with 100,ooo kms. It's most Jul 21, 2025 · Evening all, im having a little battle with my cooper. Ran fine for about a 20 mile test run right after install. Recently I had a cracked cylinder and changed the whole engine with a less used engine and t 2012 Cooper Base, 90k miles Check engine light on, somewhat rough idle and poor acceleration at low rpm. What makes Sep 24, 2010 · North American Motoring 1st Generation MINIs Stock Problems/Issues Finally! Hesitation and rough cold start fixed! Stock Problems/Issues Discussions related to warranty related issues and repairs, or other problems with the OEM parts and software for MINI Cooper (R50), Cabrio (R52), and Cooper S (R53) MINIs. Have you ever wondered why your engine misfire but has no code or no check engine light? How to detect Misfires that don’t set trouble codes? Well, we got you covered. Smoother than ever before! When getting back home engine started to run really rough in traffic lights just under half a mile from May 24, 2015 · Have a 2008 mini cooper r52 with 162733 miles on it. Bad starting, fuel system, steering, suspension & transmission. My 2009 standard Mini misfires on any cylinder at low rpm (1500) but runs perfectly smooth at high rpm. Needless to say it didn't fix the problem. If you have an n12 engine that is suffering from a hot idle misfire, it is likely that you have a loose inlet valve seat on the cylinder that is misfiring. Mar 16, 2024 · I have a Cooper S 14/15 and I'm getting an error on the dashboard that only happens on the first start of the day, but it doesn't happen every day. Jun 25, 2017 · Vehicle first came in with a check engine light and P0302; misfire cyl#2. Aug 16, 2010 · Greetings, the other day a PO302 (cylinder 2 misfire) code appeared , so after researching all the threads I could find I started working my way through this. I ran the car while checking O2 sensor values in INPA and they are both between 0. Here are the codes I am receiving: P053A, P1508, P0300, P301, P0302, P0303, P0087. I changed spark plugs to Brisk Silver (QR12LS 4plug set) to my 2007 Cooper S R56 and at the test the car run great. But now I'm getting an intermittent misfire on cylinder 1. Dec 13, 2023 · Misfire under high speed load> Technical Forums > N55 Turbo Engine / Drivetrain / Exhaust Modifications > Misfire under high speed load So far spent £300 on replacing ignition coils and spark plugs to try solve a misfire. Every time its happened it has been wet and ive been though a puddle and it starts to hesitate and misfire and before long it throws May 3, 2011 · Hi all, I hope you can help me, my car has had this problem for some time. Jul 26, 2016 · Having tried a lot of the common faults and fixes I've finally tracked down the misfire when cold on my 2008 MCS :) It's been driving me nuts trying to get to the bottom of it. Common causes of P0300 include faulty spark plugs or ignition coils, clogged fuel injectors, vacuum leaks, and low fuel pressure. May 20, 2013 · Misfiring Under Load But Good Idle - posted in Problems, Questions and Technical: 1. Changed coil and plug wires (plugs were OK), which helped for a few hundred mi, but it came back. Recientemente ha tenido una revisión y bujías nuevas, cuando la falla de encendido comenzó pensé que podría ser la bobina de encendido May 24, 2019 · Customer brought in for engine misfire (cylinder #1). Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm May 2, 2023 · The MINI Cooper Countryman was introduced in 2011 as the bigger SUV version of the popular MINI Cooper. Misfire cylinder 1. I thought everything was fine after resetting my ECU last week, but had bad misfiring at idle again this morning which set the random misfire code. This is due Customer: Hello, could I get assistance with troubleshooting my 2012 Mini Cooper S? The car occasionally misfires and enters limp mode when I need to accelerate. Now, three days later, the car started to misfire. Nov 21, 2015 · Page 2 of 2 - Misfire Under Load - posted in Problems, Questions and Technical: 1500 with vac off Just to confirm, I discard the White/pink and white/yellow wires and just run a switched 12v to + and - to dizzy? Nov 14, 2023 · When you encounter a P0300 code in your Mini Cooper, it’s crucial to recognize the signs and symptoms. Jun 2, 2017 · It's me again. Apr 4, 2022 · Common Causes Of Engine Misfires Now that you know what a misfire is and how to detect one let’s look at the most common causes. I recently purchased a 2010 r57 n16 for my daughter. The only original parts in the engine bay are the inlet manifold, wiring loom and ECU. Cleared the codes and keep getting the same back. If the spark plugs are new, I'd look at coils, wires, etc. Mar 20, 2012 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. Blown head gasket on this Mini Cooper S. Dec 12, 2018 · I went to a trackday this Sunday and the car ran like a champ. This issue can lead to poor engine performance and decreased fuel efficiency. Dec 13, 2017 · 07-up MINI Cooper/Cooper S (R56) - 2010 Cooper S - Misfire Problem - 2010 Cooper S with 73K miles. Oct 22, 2024 · The P0303 code indicates a misfire specifically in cylinder number three. After the car warms up to operating temperature It develops a bad mis. Although this is not a list of every possible thing that could cause a misfire, one of the items on this list is usually the culprit. It only happens when the car is hot and idling for a few seconds. 6 cooper s all4 that's done just over 70k. All other cylinders appear to have normal operation. I was aware of this when I bought it and got it for a good price so decided to take on the challenge of fixing it. Engine misfires can be a frustrating and confusing issue for vehicle owners. She was on the freeway Apr 20, 2025 · Buenos días a todos Tengo un mini cooper de 2004, 94k, y ha desarrollado una falla de encendido al acelerar, o bajo carga, pero una vez a velocidad está bien. The traction control light comes on and the car Jan 6, 2023 · My wife has a 2009 Cooper S, 102k which has been having issues when starting in the morning. Lets get straight to it Last year, January, the car experienced the common Timing Chain Tensioner problem (aka 'death rattle'). Brakes on Mar 30, 2021 · 2014 counteryman s all4 got a message saying reduced power and is currently is in limp mode. If you’re experiencing an acceleration stumble, it’s best to take your MINI to a qualified mechanic to diagnose the problem and get it fixed. 6L using an oscilloscope. Do I need to check/replace spark plugs? They are 18-24 months old and are "denso cooler" plugs (this is from the previous owner's advert). With moderate acceleration, 2500 RPM seems to be the "sweet" spot to upshift my '05 Mini. The missing got really bad a couple of weeks ago. Additionally, there's a rattle/ping noise once crossing 3000 rpm under load, but not when it's under a no load condition. 1K views 2 replies 3 participants last post by Daveslate Jan 8, 2022 Dec 18, 2007 · Hi, I have a frustrating issue with my 03 reg Cooper S. Here are the reasons behind your Mini facing engine stumble. Anyone have any ideas or know what to do next? It happens when idling slightly I can hear a pop from the exhaust at random intervals every 2-5 seconds. From reviews, mods, accessories, reliability concerns and more, this Mini Owners Club is full of info! General Discussion First Generation Faults & Fixes Australia First Generation Interior & Ice First Generation MINI Exterior Perform necessary repairs as needed. P0300 - random misfire P0301- Misfire cyl #1 P0303 - Misfire cyl #3 Good ol` spark plugs and coils will fix the job? Assuming they’ve done the basics, eliminating the coil and plug, checked compression/leak down - I’ve seen faulty VANOS units (the actual gear unit, not the solenoid) that caused rough running/misfire faults at idle but smoothed our under load. The vehicle has approximately 122,000 km on it. May 21, 2018 · So for future reference I was getting a misfire under load from planting the loud pedal at low revs occosionaly mid range but would push through and run fine to the red line Oct 23, 2024 · Hey everybody! I have a 2014 Mini Cooper S with 146k miles on it. The car does have a misfire, when cold or warm, lift the revs to 1000-1250 and the engine is smooth, ive moved the plugs and See real-world 2012 Mini Countryman engine problems and repair histories as reported by other 2012 Mini Countryman owners. Mar 10, 2022 · Typically an engine misfire under load, will be a problem with the ignition system, while low engine speed problems will be a vacuum, fuel management or compression issue. The engine is still misfiring but only under certain conditions: I have had my 2011 r56 for 2 months, done nearly 2k miles in it. Idles fine if not a tad high at about 1100 -1250tops the problem comes when adding acceleration in neutral its not so bad the misfire is slightly present but not too noticable but when a gear is engaged there is a distinct popping For those who are driving a Rover Mini Cooper, Rover Mini Mayfair, or any Mini made between 1992 to 1997 (MK VI and early MK VII) with SPi engine, you should read this article if you are having problem with the SPi engine. Went for a oil and oil filter as well as air filter change as soon as I got the car. I continue to have an intermittent misfire, not predictable in any Mini Cooper misfires are caused by the failure of its engine ECU, common symptoms of failure include misfiring of the engine over one or more cylinders, and the fault code 140010 - Misfire Multiple Cylinders Detected. Besides its larger body and four doors, the Countryman also offers all-wheel drive, enabling it to handle winter conditions with ease. Also, see repair breakdown by problem area and cost. If I do accelerate too quickly, it throws a check engine light Aug 27, 2022 · Another potential cause is a problem with the MINI’s ignition system. About 10 miles into the journey it started to misfire about the rpm you'd expect the turbo to be kicking in and the eml came on with the warning about driving at reduced load to avoid cat damage. I purchased it knowing there was a misfire, and after reading many posts and watching many video, I was hopeful that it Apr 28, 2017 · I've been experiencing problem since yesterday. The other thing that I noticed was that the idle has smoothed out. Mileage was verified and overall state of the car is coherent. Oil sensor is dry. Why the n12 presents the misfire while the n14 Jul 10, 2022 · smooth running, misfire count , knock count, boost pressure actual and prescribed, vanos timings same again, fuel pressure at rail looking steady 5mpa idle and 8mpa under load north of 4000 revs on the road, can also add 02 sensor readings from signal looking for when engine hot and driving up road steady 3000 revs for a 0. Advise please? Feb 7, 2018 · Mini is known for its performance, but the engine might face certain issues from time to time. Once the car warms up it’s gone. Park lane With an A+ MG Metro 1275 and Hif44 (not 100% on carb size) 3. Could it be an injector issue ref. With this pattern, the engine doesn't labour. It’s been a while though, but I don’t think that would isolate the misfire to only one cylinder. No other codes set. I have new oem coils, and new ngk iridium spark plugs. checked compression all cyl 180 psi // vacuum at idle is 5 Hg. I just had various coolant parts exchanged including water pump, temp sensor and several plastic parts. Smog check due ( California). Still have cylinder #1 mi Heavy acceleration is usually a spark plug. I'll have a rough idle for a min or 2 and then it will idle Oct 7, 2019 · My car started to play up last week. Feb 8, 2024 · Hey, I was driving my 2007 cooper S (auto) today and came to a pretty steep hill about a mile long, going about 55-60mph. My 2001 Y reg R50 Mini Cooper normally drives brilliantly, but lately has been parked as it has a stuttering misfire under load, can I make a quick fix and get it running sweetly again? Proudly It misfires only under load? That's usually an ignition issue. Otherwise, it can lead to severe engine damage and other expensive repairs. I replaced spark plugs, swapped injectors #2 and #4, swapped cylinder #1 wire onto cylinder #2, chased coil pack wiring back to make sure I'm going to explain and talk about the common causes of an engine misfire on the R56 Mini Cooper S. A persistent cylinder 2 misfire despite new ignition coil and spark plug suggests fuel injector clogging or wiring faults. Jan 15, 2025 · I occasionally get an error about the after cat O2 sensor being shorted to ground but not often like the misfire code. One of the primary symptoms you may notice is your vehicle shaking or vibrating. IDK if it's 2007 Mini Cooper S R56 Engine Power Loss and Backfire Issue R56 often faces misfires under load and occasional backfires related to ignition or fuel delivery systems. Idled fine and was ok if you increased the revs slowly. May 15, 2016 · I bought used under warranty 2011 All4S Mini Countryman. Checking the engine over revealed oil in one of the spark plug wells as the result of a failed PCV valve causing pressure to push oil past the valve cover seal. Customer: I have a cylinder 4 misfire at 3000 under load, anything before or after is okay Mechanic's Assistant: Does the vehicle misfire while idling or driving? Customer: both , if you rev it while you are sitting still it misfires at 7000 Mechanic's Assistant: What's the year and model of your Audi? Customer: 2011 s3 s4* Mechanic's Assistant: Is there anything else the Audi Mechanic should Sep 15, 2018 · We replaced it, got rid of most of the codes except Cylinder #1 has an occasional misfire under load - suspecting sparkplug, coil or injector. Aug 18, 2021 · 2014 Cooper S Engine Misfire engine engine misfire Jump to Latest 7. We would like to show you a description here but the site won’t allow us. If the spark plugs are worn out or the ignition coil is failing, it can also cause the engine to misfire. Found oil in coil leads to the DME, coils were dry. Come join the discussion on performance modifications, accessories, MINI news, maintenance and more! Sep 29, 2010 · Hi all I've have a problem with my 2003 MINI Cooper that's causing it to hesitate and misfire. Edit: Because it's a MINI, the vvt solenoid is another place to look (VANOS). customer complains of worsening fuel mileage. Customer: Why does a 2012 Mini Cooper S Countryman misfire when under load? It operates smoothly at idle and during light acceleration. Feb 3, 2022 · Hey up im Kev from Scotchland (not my fault lol) here's my motors got a cooper but has a miss fire under load, chap that sold me it knew all about it as he Jul 14, 2025 · Our expert technicians use advanced diagnostic tools to pinpoint misfire causes quickly and recommend lasting solutions that keep your MINI running at peak performance. The car has done nearly 50k which is probably quite a lot for an N14 engine so I went through the list of common Aug 26, 2020 · Hi everyone great to be here, (first post) I have a strange misfire problem with my N14 R56 Cooper S, in that it's only between 1500_2000 rpm and seems to be only in 2nd gear and 4th gear, the car has recently had a new hpfp (genuine) a remap from a reputable company, scorpion sportcat and ngk Feb 12, 2019 · 54 Plate R53 JCW Cooper S - Misfire only under load Jump to Latest 4. I swapped the plugs and coils Mar 15, 2019 · Use this handy troubleshooting guide to assess problems with your classic mini. Last year I had a year of engine warranty left on it. The author emphasizes that these misfire codes can occur at any time and under various driving conditions. Then, about halfway up the hill, the engine started shuddering/shaking Nov 15, 2021 · More for the benefit of people looking for an answer to their hot idle misfire problem. They are telling me they need to remove and replace the cylinder head gasket just to go in and diagnose the actual problem, as well as send the head out to be machined. 2009 Mini Cooper S Misfire Codes and Hard Acceleration Issue Mini Cooper S often faces ignition coil failures and fuel injector problems causing misfires under load. There's also a p0300 code for multiple misfires but only sets after the 301 code has enough counts to set the MIL. I've read a number of these forum threads, but they don't quite describe my problem. Here is a very common problem that causes a random misfire. I've been having this issue when on cold start I have to wait about 30 seconds before start driving or else engine stalls. When retrieving trouble codes, only consider related codes to a specific misfire problem, like an ignition coil failure code. In my case, I was able to get a misfire code for a specific cylinder to pop Jan 23, 2024 · The article focuses on the problem of random misfire codes in a Mini Cooper’s cylinder 2, regardless of the throttle setting. Engine warning light Mini OBD/OBD2 Codes >> Cooper 1. Changed spark plugs, swapped ignition coils, performed walnut shell carbon cleaning on intake valves, smoke tested for vacuum leaks and performed compression test (175 psi). After Jun 16, 2016 · Just purchased this 2010 Mini Cooper (Non Turbo)70k miles and developed this problem. 6L ( 2002 – 2008 ) General information Engine control module (ECM) incorporates self-diagnosis function. in this video I go over all the common misfires rough running and vacuum leak symptoms on the W11 engine which is found on the Mini Cooper s r53 models from 2002 till 2007 where it went into the in this video I go over all the common misfires rough running and vacuum leak symptoms on the W11 engine which is found on the Mini Cooper s r53 models from 2002 till 2007 where it went into the Jan 24, 2024 · The Society of Automotive Engineers (SAE) developed the OBD II system, and they specified that diagnostic codes comprise 5 digits. If you suspect an engine misfire, or your car displays any of the signs above, rectify the issue as soon as possible. If anyone has an idea what it could be any help would be appreciated thank you. 1987 2. Just had it at the dealer for a thermostat and they also replaced the air boot between the turbo and airbox. 7K views 13 replies 6 participants last post by Wool44 Feb 14, 2019 W Jan 15, 2025 · Hello everyone. Disregard the environmental conditions Customer: 2012 mini cooper SIm having a misfire. Everything else has been changed including the engine and all sensors and ancillaries. Starts like a charm even when cold Misfire under Mar 23, 2016 · Engine Misfire/judder At High Rpm + Under Load - posted in Problems, Questions and Technical: Hi guys, first post on this forum so be gentle I currently have a standard 1275 (94 Sprite) which have recently been fitted with twin HS4s and a Maniflow exhaust system. Jan 12, 2010 · I own a 2002 R50 Cooper with just under 50k on the clock, in the last 6 months the engine has begun to misfire whilst idling in traffic. I took it to Mini Nottingham (Sytner's) and they, ahem, 'diagnosed' deteriorating spark plugs which they duly replaced under warranty. I have a misfire on cylinder 2 on my mini one R50 1. I replaced the ignition coils and all spark plugs which fixed the misfiring. Mar 24, 2023 · Final Thoughts A misfire at idle occurs when an engine’s cylinder cannot produce power during cylinder combustion. If you put your foot to the floor it would start to sort of have a misfire? Took it out for a test drive and if you increased the revs slowly it was ok but not Jul 28, 2016 · We’re a forum community dedicated to the MINI Cooper, Cooper S and Clubman. Only fault code im pulling from my Autel is 002772 Digital Motor Electronics (DME), cylinder 1 combustion misfires. I ran a computer and got misfire in cylinders 1 and 4. Attached are the waveform taken from cylinder 1 cold and hot. I installed new timing chain/VVT sprockets/new injectors/new coils/new plugs. Mini Cooper S Cylinder 2 Misfire Issue Under Load Mini Cooper S often faces misfires under acceleration and ignition coil or spark plug failures causing rough running. The problem is often caused by vacuum leaks, low compression, low pressure, and more. I checked timing twice to ensure it wasnt that. So I decided to change the plugs, wires and coil pack. 6L – Cooper Convertible 1. Oct 3, 2009 · Gen 2 Engine Misfire My service writer suggested that i try a can of BG44K! Well, I did and surprisingly it greatly improve the driveablity of my Mini!! My Mini was much improved within five minutes of driving, and my mileage has improved. I checked to see what it was and I got the P0301 (cylinder 1 misfire) code. Changed out coil pack itself and leads… no help. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. Except 2 occasions it has always started first time, but really struggles and almost sounds like its choking for the first 30 seconds, then all is fine and runs great after that. I am having some trouble with this Mini Cooper, It has a misfire on cylinder 1 but only after being ran 30-40 minutes, full hot operation. I scanned it using ista and it was showing a misfire on cylinder 4 and an o2 mixture fault. I'm hoping someone on here can help me with my diagnosis and solve the problem. Spark plug, coil pack, fuel filter and fuel pump, failu Thank you all for tuning in to Super Mario Diagnostics! Today we are diagnosing a misfire concern on a 2006 MINI COOPER 1. About a quarter of the way up I notice a miss, almost like the transmission tried to shift but didn't. What do you mean when you say the plugs are “fine”? It’s not always obvious when a plug starts to fail. I have tried a few things but with no luck and am looking for some guidance on what to check next. A few times over the last few days when in 'high boost' situations (6th gear on motorway, full throttle) I've had a stuttering - noise it makers is like someone blowing a Nov 1, 2014 · Join our Mini Cooper Forums to talk about your new Mini. IDK if Dec 10, 2024 · Good evening all, I wanted to just check I am heading in the right direction, and really welcome your help and advise. Code reader shows p2187 and p0303 Misfire on cylinder 3. Did you know that the manufacturer put out a TSB on that exact problem?Here are some of the tools https://www. rep Dec 15, 2019 · Hi Robo63, I have a 2008 Mini Cooper D and is experiencing exactly the same issue, its like a stall, zero power, then straight back to normal - can not happen for days, sometimes only when under hard acceleration or just when driving very gently - no Fault codes or EML, have cleaned the MAF sensor - which did help with smoother an more responsive engine but still 'stutters' every now and then Mar 24, 2023 · Final Thoughts A misfire at idle occurs when an engine’s cylinder cannot produce power during cylinder combustion. This only happens when the engine comes up to full temperature and the rpm settles at its usual 800 level. From reviews, mods, accessories, reliability concerns and more, this Mini Owners Club is full of info! Oct 25, 2024 · Hey everybody! I have a 2014 Mini Cooper S with 146k miles on it. Nov 10, 2022 · R53 Misfires under heavy loads Please help !! cylinder help misfire r53 test Jump to Latest 1. Any help would be appreciated, thanks Jul 20, 2022 · In this video I show something to look for if you have misfire faults stored on your MINI cooper along with a rough idleIf you would like to help support thi Jul 20, 2022 · In this video I show something to look for if you have misfire faults stored on your MINI cooper along with a rough idleIf you would like to help support thi Help needed! Sudden terrible misfire and no power under load… EML and traction light on… scanned showing codes P2300 and P0300. Dec 9, 2024 · Page 1 of 3 - Sudden Major Misfire And Nasty Noises - posted in Problems, Questions and Technical: Looking for help with an engine issue to work out what the problem is, what the probably cause is, and how to prevent it happening again. During first 8 month of ownership Engine Light Reduced Power came on and was disappearing on its own. 6 n/a with 116500 miles on the clock, bought as a general runabout a couple of years ago. I hope you 2010 mini cooper misfire Misfire cylinder 1. 6. Went to check it out this morning and about 2 minutes after starting it stumbles a bit and the cel comes on. 8K views 1 reply 2 participants last post by jpp19 Nov 10, 2022 Nov 21, 2015 · Page 1 of 2 - Misfire Under Load - posted in Problems, Questions and Technical: Hi all, Just fitted a powerspark electronic ignition to a friends mini, its a 998 with a 59d dizzy. The status of the various vehicle emissions and control systems can be accessed by the owner or a repair expert using OBD systems. Codes came up with cylinder #4 misfire, so ive changed the coil pack and the spark plugs and still no joy. For this alone they estimate $1782 for Dec 23, 2024 · Here’s a list of notable vehicles that have featured this engine: Mini Cooper: The N16B16A engine has been a staple in the Mini Cooper lineup, particularly in the models produced from the early 2000s until the mid-2010s. It has done about 20k miles in my family and generally runs fine. bad fuel? Mar 6, 2016 · Join our Mini Cooper Forums to talk about your new Mini. Apart from the usual oil leaks (being addressed hopefully) and a new radiator and plastic coolant pipe it has Jan 8, 2023 · When I start the mini Cooper starts to only misfire in cylinder 1 at idle but when revving engine the scan tool reads codes that there is a misfire in cylinder 1,2,3. 6L – Cooper S 1. Also recently cleaned the intake valves and that did not solve issue. These misfires can impact your engine performance, so it’s essential to address the issue promptly. What else should I check? The car only misfires at startup, I dont feel any misfires it runs smooth but the computer says misfire. Replace the plug and test drive it, make sure you torque it to spec (23Nm). Jan 10, 2025 · Key Takeaways A P0300 code indicates a random misfire in one or more engine cylinders, which can cause rough idling, loss of power, and engine hesitation. . I took it to Mini dealership and they said unless it is on they cannot do anything Nov 2, 2022 · Hey guys, I have a 2009 clubman S with 125k miles. The car drove a bit better but the Mar 15, 2012 · This has always happened if I rev and let off, but not usually under load whilst on the move. Your misfire codes: Have you moved coil packs and spark plugs around to see if the code follows? Jun 5, 2023 · In "0" load condition (IE: not in gear), no misfire counts until topping 4500 rpm. Ignoring the P0300 code can lead to further damage, decreased fuel efficiency, and a shorter engine lifespan Issue is only under load, checked DTC and had fault code for cylnder 1 and 3 misfire, injector cut off (2EE4 was one of the DTC). I drove the car for 6 months before taking it to the dealers, (re-occurring non starts in cold weather forced me to address the issue). On a flat road I usually go 1st, 2nd, 4th, 6th. This has been an ongoing problem. Nov 27, 2014 · My R56 mini cooper s drivers perfectly well normally, but after sitting in traffic for around 10 minutes it goes into "limp home mode". Replaced the Timing Jul 17, 2019 · Hi all I recently bought a 2008 Mini Cooper S with a rough idle problem. This was fine until around 2 weeks ago where i had a misfire after accelerating up to May 3, 2017 · Hi all Desperate for help with my much loved Mini Cooper s Today the car has started to misfire badly,I have had a few knocks under load which I presume is the carbon build up on the n14 After looking at the car today I have noticed the following Cylinder 3 is wet on the plug The oil in the I bought a "mechanic special" 2008 Mini Cooper S (N14) that wouldn't pass California smog due to an intermittent cylinder 4 misfire that only happened under load/boost with DTC 00273F "Digital Motor Electronics (DME), cylinder 4 ignition coil, ignition circuit monitoring", as well as misfire codes and a "Super Knock" code. Its compact size and spirited performance align perfectly with the Mini’s fun-to-drive ethos. The car also feels generally a bit lacking in power through this rev Under low load driving just putting around town, are there any issues? Your symptoms kind of sound like my car a few months back where it would drive fine under normal load but once boost started to kick in, it would buck and complain and stumble a lot. between 1500 - 3500 rpm there are a number of flat spots under exceleration. A nasty misfire under load and on initial start combined with coolant loss required a head gasket repair to get it back to its best. 1v and 1v but it was still misfiring at this time. Nov 6, 2021 · My mini is having an issue with engine msifiring and rpm does not go more than 5 as it starts to tumble. buymeacoffee. I was travelling along on Saturday in that lovely weather doing 60 MPH when someone pulled out right in front of me and didnt accelerate - lovely. P0302. The Car Nov 23, 2020 · Hi - wondering if anyone else had similar problem: engine stumbles / stutters intermittently and feels like a second or less of fuel not getting through. 7v switching slightly Jan 6, 2023 · My wife has a 2009 Cooper S, 102k which has been having issues when starting in the morning. 6l petrol manual and don't know what to do next. There is a significant drop in power and the car feels slow. com/urbanhomesQIn this episode, we demonstrate to you how to fix a car's intermittent misfires or hesitation under heavy throttle or Jan 15, 2025 · My 2012 mini cooper s began shaking the other day while I was driving and didn't have full power. May 25, 2018 · Hi all, I've had a 2004 R53 MINI Cooper S for a few years now. IMPORTANT HINT: For vehicles with combustion misfire faults stored in multiple cylinders: Check the cylinder-specific misfire fault’s environmental conditions for indication of fuel pressure loss. Jan 3, 2018 · 2nd Gen R56 Cooper Misfire Cylinder 3 Discussion in ' 2nd Generation: 2007+ R55 through R61 ' started by dk85, Jan 3, 2018. Nov 18, 2024 · I recently had a similar problem with cylinder 2 misfire on 2006 Mini (not S), @140K mi. She called me Saturday to say the engine management light was on and it was running badly. Oct 11, 2024 · Hi All, So I had the unfortunate task of taking the wife's countryman to work this morning. and message that power has been diminished . In […] Aug 27, 2015 · 2007 Cooper S Misfire - posted in Motor Mouth Section : Hi everyone, bit of a newbie on here but after some help!!! My Mrs has a 2007 mini cooper s, and the other day it started missfiring and hesitating. Nov 21, 2015 · If you put your foot to the floor it would start to sort of have a misfire? Took it out for a test drive and if you increased the revs slowly it was ok but not great, would still stutter a little. Its a constant misfire on Nov 13, 2009 · Since I bought my new cooper S back in march I have been having problems with it when out in wet weather. Swaped cylinder 1 spark plug with cylinder 3. Feb 10, 2023 · My 2016 Mini Cooper Countryman S hesitates when accelerating too quickly, and almost jerks. Oct 10, 2012 · I too have a Countryman Cooper S All4 and from new (April 2011), I experienced an intermittent misfire on the engine, usually when going up hill (the dealer refers to this as under load). It then recovers and runs fine. All ignition coils have been replaced, but the spark plugs have not yet been changed. I had misfire errors stored in the memory but it didn't cause any noticeable further issues. The 273F code showed up alone if the misfire was only allowed to happen Jun 14, 2022 · Hi all, Wife has a 2013 countryman 1. Took it to a shop, they told me there was a misfire cylinder 4 and low compression. 2008 MINI Cooper S w/ dealer-installed JCW package (chip tune, larger air intake, larger cat-back exhaust). Most driving is 30+ mile motorway commute and when you press accelerator it stumbles for a second - not Misfire Cylinder 1 Only When Hot Hello and good day to everyone reading this. It is under dealer satisfaction warrantee, and they have fixed a number of things New standard transmission, clutch, fuel injector and coil pack. ilhl wcepweo kntz irrs qytm yveq vbfnt dltg tgcosjc gucln blxif chpic pcsozk wshq rbgm