E46 misfire when hot. But cruising down the highway its fine.

E46 misfire when hot I sometimes get BMW specific codes of timing over retarded, thermal oil level sensor, and occasionally I'll get misfire codes but that only happened once so far. Jan 3, 2012 · I have 2002 330CI with similar issues but probably not a head gasket (no smoke, oil's not clouded) but misfires and stalls when hot. All replacement parts have been OEM or OE. me | Izak | Log 1709125772 Hot idle TFT B1 & TFT B2: datazap. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Dec 25, 2024 · Car misfires and runs rough after about 30 seconds, will cold start and run fine until it starts misfiring in cyl 2,5. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada May 11, 2008 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Mar 3, 2017 · E46 2004 325i Misfire Under Heavy Acceleration [SOLVED] Tags MAF reading at warm idle 700 RPM in P/N should be around 3. The misfiring took place while driving, around 40 mph. You probably have also fouled the spark plugs/partially flooded the engine and may have a weak battery causing the misfires on Cold Start, this is NORMAL. Post warm idle Fuel Trim trims for comment. :/ I'd really appreciate the help. I heard bad filters / regulators can throw lean codes so I'm thinking of starting with that. Next time you get the misfire fault code include the freeze frame data here so we can see the context in which it misfired. I've read through many many forums and see a lot of similar problems but no one post that matches my car's symptoms precisely :-( If this is in an inappropriate forum/thread I apologize feel free to move it Mar 6, 2022 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Oct 12, 2023 · Hey guys, so very recently my e46 has begun to misfire during a coldstart, and it kind of happened suddenly with no warning. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Apr 15, 2024 · Update 4/18/24: Car was dead. If I let the car cool down for an hour, it drives fine. 7K views 11 replies 7 participants last post by blue328i Dec 23, 2020 Oct 16, 2024 · Background: Car has 86k miles on it and had a little idle surging during cold start (800-1100rpm) but would go away when warm. Jump started. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Aug 14, 2015 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > [SOLVED] When hot - misfires in idle and rough idle Oct 15, 2024 · The car starts, runs and drives normally. Misfire stayed constant cylinder 4. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Mar 26, 2024 · I should mention that the misfire happens only during the first startup of the day. While sitting idle the misfire does not disappear but if it***8217;s being driven the misfire is intermittent. I guess i fixed something. Mar 4, 2019 · 2742 Misfire, cylinder 1 2743 Misfire, cylinder 5 274E Misfire, several cy (Or P0300 fromODBFusion) It starts strong. Content on E46 Fanatics Mar 4, 2020 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Oct 5, 2018 · I track my car on weekends and when it gets hot, the car starts misfiring. I replaced the fuel pump and filter not many miles ago, and I recently replaced the front TPS sensor. Earlier this year I replaced the fuel pump and the PO replaced a few coils and the spark plugs. I’ve been having warm idle misfires on cylinder 3/4, and only once on 6. The car is fully warm and the misfires begin at low throttle/idle. I scanned it, cylinder 4 miss. I really have no idea what could be the cause of one cylinder misfiring only on hot idle . I diagnosed the issue and got a misfire on every cylinder and 6 was dead. The too lean code is of interest to me, mainly because it points to an issue with global air/fuel delivery/sensing. Mar 9, 2023 · The hot idle numbers look fine. What I have done to the car:-I was running a Oil catch can, but now back to a new CCV. I'm now getting misfires with fuel cutoff on cylinders 4,5,6. I dont want to drop $500 on a new fuel pump. E46 Fanatics Forum is not in any way affiliated with Bayerische Motoren Werks AG VerticalScope Inc. So I did some repairs two years ago including spark plugs and changing the (CCV or PCV) and the problem was still persisting. Good to see it at 93 C. Mar 8, 2013 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. #4 cylinder, the one with the misfire, now reads 183psi with wide open throttle. But I then tried a set that came out of a Z4 3. 0i with the same type of coils with three that had failed - the idea was to stick the tree that were marked Feb 5, 2011 · - P1349: Misfire cyl 4 w/fuel cutoff - P0444: Evap emission system purge control valve circuit open - P1344: Misfire during start, cyl 2 - P1346: Misfire during start, cyl 3 - P1342: Misfire during start, cyl 1 - P0171: System too lean, bank 1 - P0174: System too lean, bank 2 Jul 7, 2013 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Aug 20, 2020 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada May 1, 2021 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. May 25, 2012 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Apr 26, 2016 · Use a hair dryer to warm the board up around the bad device and the device. The hot plug did not improve the misfires. List of what i have done:-swap coils. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Jul 1, 2011 · CD = Misfire During Warm-Up Cyl #1 E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. After the work get a consistent rough idle and P0301/4/5 codes when warm (seems to be when suddenly backing off the throttle after having suddenly applied it). Jan 14, 2009 · About 3 months ago though one day it stalled and the engine check light came on. When plugging it in to PA Soft i get the codes shown below. -dam. Recently bought another car (sucker for E46 punishment ) and within a week of shelling out for my new chariot I'm getting rewarded with a rough idle and significant multiple cylinder misfires. ?!?!? Codes as shown: P1349-cylinder 4 misfire with fuel cut off P1351-cylinder 5 misfire with fuel cut off P1353-cylinder 6 misfire with fuel cut off Also throwing codes: P0174-bank 2 system to lean Jan 30, 2022 · Next cold morning remove spark plugs and check for water condensation on the tips. Apr 24, 2015 · E46 misfire cylinder 4, 5 and 6 Need to see Freeze Frame info if the SES/CEL/MIL is on and Fuel Trim values at both warm idle and a steady highway cruise between Sep 24, 2012 · But he also got a 241 misfire cylinder 4, 238 misfire cylinder 1, 191 o2 sensor 2 after cat heating, and 239 misfire cylinder 2 codes. -Compression test: ~210 psi across the board on a warm engine Jul 12, 2016 · P0300 Random/Multiple Cylinder Misfire Detected P0171 System Too Lean (Bank 1) The engine gets very hot very fast, to the point where you can see smoke/steam Dec 29, 2022 · Misfire on cylinder 4 only What are the fuel management parameters at hot idle? E46 Fanatics Forum is an independent BMW enthusiast website owned and operated Aug 29, 2017 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. I've been diagnosing this issue for about two months now. Nov 28, 2017 · Just misfire all cylinders and some with fuel cut off. Very strange. My money is on a vacuum leak if the engine runs fine when warm. edit: when I started, the miss-fire was with a fuel cut-off. Replaced coil pack, and plugs, continued driving. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada May 20, 2015 · My E46 had some coils that became weak or faulty, this was causing a noticeable stutter or misfire when moving on from yield stops in 2nd or 3rd gear, other than that the engine ran fine. are the codes I’m getting. If I give it a little bit of gas right away for a minute or two, it doesn't misfire. Jul 10, 2011 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Not immediatly but the revs will gradually drop and then the car wud misfire Cold start idle is 100% ok. The reason that I did not start with the spark plugs first and see if the misfire followed the plugs was that they were brand new! Jul 10, 2020 · P1353 - #6 misfire And usually P0300 (or something) General multi Misfire. But about 10 minutes later the DME starts reporting cylinder 3 misfires. I'm struggling with finding the issue of rough idle which develops into a misfire. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Jan 10, 2024 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Sep 7, 2014 · It drives great most of the time. me | Izak | Log 1709125772 Hot idle fuel status & pre-cat 02's: datazap. Agree that a cold start, hot idle and 100kmph Nov 27, 2024 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Jul 17, 2024 · The day after that I turn on my car to go to work and it felt a little weird like it was misfiring but only on a cold start. Still no cylinder 2 misfire Apr 23, 2021 · Confusingly, the vehicle idles very smoothly (3. Random cylinders and the car won't rev past 3k. Any ideas would be appreciated. I don't have any problems with a cold start or hot start, it literally starts in a second. Jan 11, 2024 · Hi, I've got a 2003 320ci. E46 Fanatics Forum is an Dec 12, 2024 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. The codes I get are cylinder 1,3,4,5,6. MAF showing 4/g. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Oct 21, 2017 · P0300 random misfire detected P1351 misfire cylinder 5 with fuel cutoff A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. Later events have included an 8 mile run at 50 mph on a hot day, misfires started while idling at a red light. to BMW E46, E90 Apr 24, 2022 · 206 Misfire cyl. Sep 10, 2024 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. 2 Exhaust And also these 2: 213 Misfire of multiple cyl. But cruising down the highway its fine. Mar 8, 2021 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Jan 22, 2015 · Hey guys, I recently purchased a 03 E46 M54 and having trouble diagnosing a cylinder 3 misfire ? Thing is its only at idle below 1000RPM, after that its smooth as butter. No cylinder 2 misfire Swapped 1 and 2 coils. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Jun 19, 2019 · Step #5 Symptom: Running with repeatable misfires on cylinder 2 and 4. Jan 20, 2022 · 2004 325ci (M56) automatic Codes: P0171, P0174, P0305, P0306, P0304, P0300, P1449 Symptoms: Rough cold start idle and exhaust chugs like a muscle car at low rpm, rpm flutters in Drive at low rpm or at a stop. Misfire on cylinders 2-3 during start misfire with fuel cutoff Dec 18, 2020 · P0303 Cylinder 3 Misfire when cold, then normal when warm Jump to Latest 2. a week ago. I am leaning more towards a bad coil pack, but while in there I am going to make sure to check all the stuff listed in this thread: (posted earlier) Jan 23, 2024 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Aug 10, 2019 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Also, If I restart the car after a misfire, it works perfectly. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Misfire disappears after engine is hot. 69. But the engine is running like crap rough, no power, slow rpm increase when pressing the gas Mar 21, 2018 · Hey guys, I'm having a strange misfire issue and am looking for insight. Come join the . Iam getting misfire on #3 cyl. The misfire is there for like 1 minute and goes away, after that it runs fine. Mar 31, 2020 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. It would come and go but it always creeps back to the point it's becoming a nuisance. Nov 6, 2021 · 2002 325ci M54B25 Auto RHD G'day all. With cylinder 5 misfire during start. If I turn off the my bimmer and re-start it the car runs fine. I usually don’t trust the injector cleaning products but you might give it a try with a proper good brand product. I am original owner, the car has 200K plus on odometer, no intake leaks (confirmed with smoke test), throttle bodies cleaned as well as the idle control valve, vanos done, recent new plugs, fuel filter, fuel pump and air filter. Ran hot idle decided to check fuel trims. Feb 18, 2023 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. I have also Dec 4, 2011 · It creates various "pending" misfire codes that don't light the SES unless I let it go on for a while, then SES goes on. I have this also, started a thread as so many others. Dec 14, 2024 · So the other day when I started my e46 it ran horribly. the car seems to misfire whenever I am giving it partial throttle or a below about 3k rpm. The following faults are stored on the GT1: DME - 2744 Misfire detection, cylinder 4 - Misfire with cylinder cutout - Fault currently present. Misfires in cylinders 1,2, and 3 and bad bank 1 sensor 1 o2 are probably correlated. Exhaust 197 Misfire cyl. I checked it and it was misfire on cylinder 3 and Misfiring with cylinder cutout (Misfire CARB_A). me | Izak | Log 1709125772 Jan 3, 2025 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Jul 19, 2014 · You are thinking way too much into whether or not a vacuum line may cause a single cylinder or multiple cylinder misfire. Step #5 status checks. . STFT -3. The logged codes I have are: I get this code on Cyl 2, 3 and 4: Misfire, cylinder x, misfiring with cylinder cutout (Misfire CARB_A), misfiring during warm up, worsening May 11, 2022 · Hi all. Sep 14, 2024 · how bad is the misfire and at what rpm's, is it triggering a cel instantly or more of a hesitation? our 99-01's have the intake air temp sensor on the manifold instead of built into the MAF. 3g/s warm) and the problem does not desist when the MAF is unplugged and the engine is running on the fixed fuel map. May 23, 2023 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. My E46 did this yesterday because I started up cold and moved it from the driveway to the street, then it sat most of the day. CCV new. I got a 2003 bmw E46. bad gasket or cracked head can cause misfire after warm up. May 13, 2022 · My 2001 m3 has a misfire with no codes thrown, I notice increased fuel consumption and a rough start-up idle at times. On cold start with fuel cut off, and also sometimes on #3 and #6 at the same time, and some other times the misfire is not as bad to cause fuel cut off. I have ordered a fuel pump as PM, but the pressure seemed within spec. Check engine lights clear out until I rev and get the misfires again. Mixture problems show up in the 4 fuel trims at hot idle. I have a rough idle all the time, the low oil pressure light comes on when it's at hot idle, but if I bump the throttle at all it goes away. Smoke test already performed. although sometimes the idle can be surging a bit after, and sometimes has a misfire or two, that goes away soon after and it appears to idle at 900 ish like it should on a cold start May 23, 2009 · Im having misfire with fuel cutoff. Some times I even get misfire on cylinder 2 and 5 during warm up, worsening emissions (Misfire CARB_B1) but not aways. Sep 20, 2023 · Hi All, Previous to the work just had the periodic dropping idle and lack of low end power - no misfires. Ever since then it develops a misfire and sounds like a tractor after a couple of minutes running (rough idling still in evidence) and even when warm the car won't idle properly. Typically it would misfire enough to throw a CEL, resulting in fuel-cutoff to that cylinder - a re-start would usually cure the problem. I wanted to swap the injectors around to see if the misfire followed the injector. I bought a "hot” spark plug to burn oil if any was getting in, despite no sign of oil on #3 plug. Jul 25, 2024 · If I give it constant gas when running, it will stay running, but misfires like crazy. My indie mechanic (who also owns an E46) said it's probably coil packs going bad or an intake leak, but he smoke tested my car and didn't find any leaks. Content on E46 Fanatics Forum is generated by its users. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Jan 16, 2024 · I have misfires on these two middle cylinders and these codes, have replaced coils and spark plugs. Allready changen both o2 sensors. What is the present mileage and have you changed the your VANOS seals, in the 323i the VANOS seals will need to be replaced after a few years. Here's the weird thing. My typical tech was on seven days in length excursion for the Fourth of July. Edit: PS - I have reviewed a few posts from here, and I've noticed on this forum, you guys focus on DISA, ICV, and Smoke-tests to resolve Jul 4, 2017 · P0313: Misfire Detected with Low Fuel P0444: Evaporative Emission Control System Purge Control Valve Circuit Open P1351: Misfire Cylinder 5 With Fuel Cut-off P1351: Misfire Cylinder 5 With Fuel Cut-off This was done at about 4k in 3rd gear, WOT. 78 g/s. No overheating. After work I turn on my car and then it start mis firing very bad even after it being warm and then the CEL popped up here. Mar 18, 2023 · I’ve gone through the various forums about the symptoms of the running lean misfire P0171 & P0174, and the possibilities of it being a vacuum leak and so on. M. How can I know for sure? Any tests between the two to figure it out? Thanks. No lean codes pending. Jun 18, 2024 · Basically what happens, is once the engine is fully cooled down. Sep 10, 2023 · In my experience, O2 codes after random misfires were produced by leaking injectors in 100% of the cases. Took diagnostics and saw that when engine is cold mass air flow shows even 40 kg/h when misfiring and by several minutes drops to optimal 10-12 kg/h mass flow and then engine runs fine. I'm thinking it's either the fuel filter/regulator or the pump. Mar 26, 2022 · E46 misfire hell. The thing that troubles me in trying to diagnose this is: How intermittent it is. Aug 27, 2021 · Thread: Misfire/rough shaky idle when warm help! E46 325i 2004. It seems to be worse at idle/low RPMs, and smooths out at higher rpms. Aug 18, 2015 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. It works normally when driving. Just today I managed to get new codes, cylinder 6 misfire and multiple cylinder misfire, as well as a bank 1 and 2 too lean! This leads me to believe there might actually be something wrong other than just cylinder 1. 8 g/s, yours is showing 2. I tried driving with the MAF unplugged, but the situation was Nov 10, 2021 · Hello, e46 330i misfire first several minutes just when cold, when engine is warm or hot engine runs and drives fine. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Nov 8, 2011 · When I start the car the engine is running fine for about 20-30 seconds and then starts to stutter and soon the SES light comes on. I thought it might have been because I was running low on fuel, so I put over half tank in and still the same problems. P0135: heated oxygen sensor bank 1 circuit malfunction; P1347: cylinder 3 misfire; P1343: cylinder 1 misfire; Misfire starts when the car is on idle for like 5 minutes. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Dec 5, 2015 · F3/B7 - Misfire, cylinder 6, misfiring with cylinder cutout (Misfire CARB_A), misfiring during warm up, worsening emissions (Misfire CARB_B1), misfiring at operating temperature, worsening emissions (Misfire CARB_B4) Jun 26, 2024 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. He said a few of the new plugs needed tightened, and also found a missing nut on the intake manifold for cylinder 1, but the stud was stripped and wouldn't take a new nut. And it was happening in idle situation despite whether the car was cold or warm. Swapped coils between cylinders, still cylinder 4 miss. E46 Fanatics Forum is an independent BMW enthusiast Jul 12, 2016 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. See codes below. Dec 21, 2022 · 2743: Misfire, cylinder 5 2745: Misfire, cylinder 6 2747: Misfire, cylinder 4 274E: DME: Misfire at several cylinders 29A5: Oxygen-sensor heater before cat. Even to the point the SES light will go out on its own cruising down the highway. I've done the basic stuff: swapped coils, spark plug sleeves are bone dry. I got the car warm and to the point where it intermittently misfires. Also consider a smoke test as well. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Jul 3, 2024 · The car runs really well, especially at cold start. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Oct 13, 2020 · Ok so new info. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Apr 9, 2020 · While the car is warming up it runs fine but once it gets to operating temperature it will slowly start to misfire more and more until it***8217;s basically running on 5 cylinders it seems. Doesn't matter if its hot or cold. Sound terrible. Capture the following engine values at hot idle and report back. Jan 11, 2008 · The code only says P0303 “misfire cylinder 3”, no additional message about fuel cut off. Does it all the time. 91 and LTFT -4. As soon as warm-up phase is complete (+-2 minutes), the idling drops to normal idle level and cylinder 4 gets cut out. May 7, 2014 · Hey everyone! Iam new here. And it has done it when the car is cold or hot. Oct 27, 2015 · I have an 01 330i with a misfire issue that is driving me nuts Just two weeks ago it developed a misfire. Jan 10, 2013 · I have a 00 E46 323i and if I try to warm it up I will get misfire codes. previous owner claims fuel pump replaced in 2019, car was never overheated, and the misfires occur every 4-5 months, but replacing the coil pack fixes the issue. Slightly Hot + Idle Hunting + Misfire = Vacuum Leak? Jump to Latest 47 views 0 Feb 27, 2024 · Here is the hot idle log itself: CSVLog_20240227_181242. Oct 13, 2007 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Jan 2, 2025 · What I think is happening is a weird mix of a vacuum leak and a bad o2 sensor causing weird running conditions. Nov 21, 2012 · On cold start-up, car runs fine. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Sep 22, 2015 · Misfires at idle are RARELY coil or spark plug related. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Jun 2, 2024 · The other 10% of the time P1353 will be accompanied by P1351 (Cylinder 5 misfire w/ fuel cutoff) and/or P1349 (Cylinder 4 misfire w/ fuel cutoff). csv Hot idle RPM, MAF & load: datazap. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Mar 6, 2017 · Every so often I get a random misfire on cylinder 6 (P0306) on cold starts. But when the car warms up, it runs perfectly fine with no issues. Mar 27, 2013 · I bought this car almost 3 years ago. I have invested considerable time into this; I have closely read jfoj's cold weather misfire guide and performed nearly all of the work suggested in that thread. (323ci) the car drives absolutely fine otherwise. Jul 18, 2020 · Maybe 10 events in 4 years. Idles clean and stable then if I go over about 3000RPM I get misfires and fell a steady vibration from that point on. Driving the car is 100% ok. Thanks. set the solder iron to about 350*C, wet the iron tip with solder then touch it to one of the two pins while adding more solder to the joint to melt it, then with a cutter cut the pin off from the device, and remove it from the melted joint. Codes remained the same. It would vary as to what cylinder was misfiring, but would normally happen on #5. Current codes that are coming up; P1349 - cylinder 4 misfire w fuel cutoff P1351 - cylinder 5 misfire w fuel cutoff P1353 - cylinder 6 misfire w fuel cutoff P0300 - random multiple misfire P0492 - secondary air injection system insufficient flow bank 2 Feb 15, 2012 · Funny thing is I have a service record from 40k miles nearly 8 years ago saying occasional misfire - cylinder 2 on start up, well once my car threw a CEL it read misfire - cylinder 2. My car will have a rough idle at a cold start, but once warm it idles fine. I found out that if I sit idling too long, whether the engine is hot or cold, it starts to misfire, and it can't get out of its own way once that happens. Sep 17, 2021 · Misfire Cylinder 4 Good evening, I hope you are all well. 2 cat. So I have it in the shop to test the compression again with a warm engine. Apr 24, 2023 · Hey guys! After fixing my vacuum leak issues, my 2001 330ci started having random misfires and threw a code (P0300). Also, while not fully warm, the engine seems to pulsate a little bit. MAF value seems a little high. High idle. Additionally, I once got a mixture preparation bank 1 and 2 code which came with the misfire codes. All have dropped. I’ve gone through the various forums about the symptoms of the running lean misfire P0171 & P0174, and the possibilities of it being a vacuum leak and so on. misfire with fuel cutoff on all except cylinder 5; Misfire during start. , bank 2: activation 2F9A: Ambient temperature sensor, communication I have the live data as well below all hell is appreciated Nov 11, 2018 · 330i e46 misfire 1st, 6th cylinder. Even after getting warm from driving and resetting the code it keeps coming back. View Profile View Forum Posts Jan 27, 2017 · Misfire, cylinder 3, misfiring with cylinder cutout (Misfire CARB_A) Misfire, cylinder 5, misfiring with cylinder cutout (Misfire CARB_A), misfiring during warm up, worsening emissions (Misfire CARB_B1) the secondary air system codes did not recur. May 13, 2021 · 2742 dme: misfire, cylinder 1 2746 dme: misfire, cylinder 2 2744 dme: misfire, cylinder 3 2747 dme: misfire, cylinder 4 2743 dme: misfire, cylinder 5 2745 dme: misfire, cylinder 6 2892 dme: misfiring 274E dme: misfire at several cylinders 27cc dme: dmtl: leakage (new) Oct 11, 2023 · My 2000 E39 528i with 265,000 miles cracked the composite upper radiator line while sitting in the drive on a hot day toward the beginning of July. Dec 4, 2014 · This morning about 30 seconds after starting her up my 2002 325ci threw an SES light with the p1353 cylinder 6 misfire fuel cutoff code. Oct 15, 2024 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Previous owner stated the plugs, fuel filter, upstream 1-3 O2 sensor downstream 4-6 O2 sensor, and VANOS filter/sealing flange were replaced within 500 miles w/receipts. Oct 5, 2018 · I track my car on weekends and when it gets hot, the car starts misfiring. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Jun 3, 2024 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Jan 22, 2019 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. conv. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Mar 21, 2017 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. if the car runs fine no misfire when its warm, spark plugs are fine. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Oct 8, 2008 · The infamous e46 problem. That’s according to the codes that come up. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Nov 30, 2012 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. May 15, 2012 · I swapped the #4 fuel injector with the #1 fuel injector. 2743: failure detection cyl 3 2744: failure detection cyl 4 Dec 14, 2010 · Since about last year, our 2003 330i was having a problem with cold-start misfires. Below is a list of tests I have done/things I have replaced trying to fix this misfire. You need to log onto a computer and read the first link below in my signature. This weekend I'll be testing the fuel pressure and conducting a smoke test. it will stall out immediately after firing up, then the next startup usually makes it hold idle. I think the vacuum leak is causing a lean condition and making the engine run hot. I was facing very rare case of engine misfires every two months once. In my experience, O2 codes after random misfires were produced by leaking injectors in 100% of the cases. Jun 24, 2017 · Car will idle rough and low once hot. First ever even was in a warm March coming home from Denver; 20 miles on interstate then started at low throttle 1 block from home. Jan 2, 2025 · E46 General. I also get misfire with fuel cut off codes on 2 cylinders. Different cylinders get cut off each time but it's usually 3. E46 Fanatics Nov 30, 2011 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Dec 11, 2023 · My 2002 325ci has misfires occuring randomly. Jump to Latest Car was held at warm for few days, i started it and got fault code: P1343(Misfire Cylinder 1 With Fuel) Aug 9, 2024 · Since install of the rebuilt vanos, I have not had a generic code pop up. GarrettC90. Haven’t verified by actually checking which hole is causin Jan 28, 2018 · Instead of misfires with fuel cut off on cylinders 1,2,3. Misfire stays with #4. , 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada Nov 7, 2024 · E46 Fanatics Forum is an independent BMW enthusiast website owned and operated by VerticalScope, Inc. Jan 15, 2016 · But not the misfire. Show Printable Version; 08-27-2021, 04:32 PM #1. Jump to Latest Follow 3K views 53 replies 8 participants last post by NZ00Z3 May 5, 2022. I had misfire codes for cylinders 2,3,4,5 and the general misfire code. Jst at idle she goes all sick. It also works quietly and does not shake when working on idle,whether it is stone cold or at working temperature. I ”tested” the fuel pressure through the bleeder valve on the fuel rail and it sure was fuel there. Here's the strange thing, I'm currently getting these codes. Thread Tools. I took a picture of some of the codes but i forgot to take a picture of the misfire codes. podujyb erq txjni fyjbj edvo bhl nmpsgvds die emiez lpounx