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BMW 3-Series (E90 E92) Forum
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(HELP) 29F5, 29F4 and Cylinder 5 Misfire
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06-23-2024, 02:00 AM | #1 |
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(HELP) 29F5, 29F4 and Cylinder 5 Misfire
I get this 29D1 (Cylinder 5 Misfire). Whenever I go WOT and hit the kickdown switch the misfire rarely happens. It only really happens when in the same gear doing 20-99% throttle.
Codes: 29D1 29F5, 29F4 (30-50% of the time) (Before and after going catless) 2DED (10%) 2FDB Fuel high pressure nach Freigabe der Einsprizung (Uncommon but happens) I just replaced my coils and plugs and the car has new index 12s I have a recent log where the RPM stutters around 3k leading to a misfire all it takes to get rid of it is a restart of the engine. https://datazap.me/u/lttristan/new-p...14-15-20-21-29 if you want any more information lmk, any help would be very much appreciated. |
06-23-2024, 06:45 AM | #2 |
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compression test Cylinder 5, and do leakdown if you can, if that is verified OK, then verify spark plug Gap is good, and swap the coil to another cylinder and see if misfire follows, it is possible to get a bad part, never eliminate something as a problem just cause it is new.
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06-30-2024, 07:30 PM | #3 | |
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