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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 > Does this sound like a misfire to you??



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      03-11-2017, 07:55 PM   #1
e92life
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Does this sound like a misfire to you??

I'm getting a cylinder 2 and 3 misfire and a 2C3A oxygen sensor code on my N54 335i. I'm also hearing a weird noise. You'll hear it the background try and ignore the injector ticking sounds.




Last edited by e92life; 03-11-2017 at 08:15 PM.
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      03-11-2017, 08:02 PM   #2
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Ticking of injectors is normal. Did you check your belts? Kind of sounds like the sound I get in my car mine only happens when i'm driving, not on idle.

http://www.e90post.com/forums/showthread.php?t=1362810
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      03-11-2017, 08:15 PM   #3
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Yeah i checked belts & fan they're fine it seems to be coming from inside the engine I'm not sure..
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      03-11-2017, 08:23 PM   #4
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timing chain?
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      03-11-2017, 08:25 PM   #5
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Quote:
Originally Posted by kisarci View Post
timing chain?
what about it??
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      03-11-2017, 08:31 PM   #6
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Would it be possible for it to somehow get dislodged by 1 tooth? I'm sorry, I'm really not sure man. Just throwing idea's out there.
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      03-11-2017, 08:35 PM   #7
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Quote:
Originally Posted by kisarci View Post
Would it be possible for it to somehow get dislodged by 1 tooth? I'm sorry, I'm really not sure man. Just throwing idea's out there.
No no any help is appreciated man. But that's possible maybe
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      03-12-2017, 10:25 PM   #8
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I you are getting an O2 code your misfires are related to the O2 issue.
You have a bad O2 sensor.
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      03-13-2017, 12:32 AM   #9
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Quote:
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I you are getting an O2 code your misfires are related to the O2 issue.
You have a bad O2 sensor.
Does that sound you hear sound like a misfire though?
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      03-13-2017, 11:10 AM   #10
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sounded like knock to me.
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