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BMW 3-Series (E90 E92) Forum
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Need help!!!please!!!!
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02-16-2013, 04:37 PM | #1 |
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Need help!!!please!!!!
Last week i had problem with misfire cylinder 5 ( don't remember code but it was misfire cylinder 5 , spark duration to short).I changed ignition coil and problem gone. Yesterday during hard acceleration service light become and now i have a lot more of following codes:29D1 MISFIRINGS CYLINDER 5, 2E1C IGNITION CYLINDER 5,
30A4 IGNITION COIL CYLINDER 5 INPUT SIGNAL, 2C78 LAMBDA PROBE CAT 2, 29CD MISFIRINGS CYLINDER 1, 2E18 IGNITION CYLINDER 1, 30A0 IGNITION COIL CYLINDER 1 INPUT SIGNAL, 2C77 LAMDA PROBE BEHIND CAT, 2FDB, 29CF MISFIRING CYLINDER 3, 29CC MISFIRING SEVERAL CYLINDERS . My are juice box+ 100% ,solenoid bypass. |
02-17-2013, 01:41 PM | #2 |
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Bring the JB+ to 50%
How old are your spark plugs? IF they have more then 25,000 miles they likely need replacement.
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04-22-2013, 11:05 AM | #4 |
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hey having these exact same codes and my plugs have only 8000 miles on them i have jb4 DCI and catless dps running on map 5 what is causing this issue and what are the cat codes caused by? could i really of burned thru my plugs in 8K miless????
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04-22-2013, 11:12 AM | #5 |
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After 8k miles I would check the plug before changing them or just try to swap your coil with another cylinder to see if the misfire follow the coil.
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04-22-2013, 11:55 AM | #6 |
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Are you perchance the same guy as OvalsE92?
http://www.e90post.com/forums/showthread.php?t=830154 Neil |
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04-22-2013, 11:55 AM | #7 |
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Since you have a JB+ the easiest test is to remove the JB+ and undo the solenoid bypass. Do a few WOT runs and see what happens. Since you are misfiring on three different cylinders, and your plugs are not that old, sounds like a sensor might be going/is bad. There are typically 5 sensors that seem to go bad on the N54: two TMAP sensors (charge pipe and manifold), two O2 sensors, and the low pressure fuel sensor. I would rule out the low pressure fuel sensor cause you would have different codes.
Lastly your HPFP could be on it's way out. |
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05-25-2013, 09:04 PM | #8 |
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Changed coils and plugs, everything was fine till today:
2E35 Injection valve cylinder 6, input signal Error will cause a warning light Error is currently present Test conditions have been completed 29D2 Misfirings, cylinder 6 Error will cause a warning light Error is currently present Test conditions have been completed Signal or value below threshold |
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