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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Misfire



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      01-26-2013, 02:54 AM   #1
2nice89
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Misfire

Got 2 misfires with the jb4 map 2... Im fbo with 70/30 93/e85... Cel was on....turned car off n on again and the light went away. Scanned car with jb4 and received codes 9CD2 and 9DC2 no description for both.. Any idea what they mean? Contacted terry but he has no clue! Lol
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      01-26-2013, 06:16 PM   #2
BMWN54tech
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How are your plugs looking? I've been seeing a ton of fuel injectors failures only misfiring under boost lately....
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      01-27-2013, 03:39 AM   #3
2nice89
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Originally Posted by BMWN54tech View Post
How are your plugs looking? I've been seeing a ton of fuel injectors failures only misfiring under boost lately....
I changed all 6 plugs this summer.. Car is a 07 wit 75k... I have 6 new coils but havnt put them in yet.. Not sure if i need them
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      01-27-2013, 04:01 AM   #4
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put in the new coils
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      01-27-2013, 11:03 AM   #5
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Like I said I have seen injectors cause this, but that's an expensive guess without seeing the car in person.
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