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BMW 3-Series (E90 E92) Forum
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MAF Error?
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11-30-2013, 03:42 PM | #1 |
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MAF Error?
I recently had my valve cover gasket replaced and prior to that my E92 hasn't thrown codes other than a check engine light associated with the VANOS solenoids a while back. I cleared it and haven't had a problem related to the solenoids since then...
I got my car back from the dealership and the first thing I see when I start the car is the illuminated check engine light. I take it home and take a look at the errors in INPA... I had a two misfires in addition to some mixture errors and this MAF error. I inspected the MAF, put it back on the intake assembly, and cleared the codes. I start the car, rev it, and let it sit for a while. No check engine light comes on, BUT I check the error log again and I have another MAF error. Any ideas of what I should do? |
12-01-2013, 03:08 PM | #3 | |
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I can just keep clearing the code (I hate the service engine soon light), but I want to fix the occasional rough idle. I'm actually debating on ordering a can of MAF cleaner from Amazon. After visually inspecting the sensor, it didn't seem like it was dirty so I'm not sure what the problem could be; aside from a bad MAF sensor, which I hope is not the case since everything was fine UNTIL my car was serviced by the dealership. |
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12-01-2013, 07:09 PM | #4 | ||
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If you haven't cleaned it recently spray on liberally and then let it stand for about 5 min then re-install.
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12-02-2013, 07:49 AM | #5 | ||
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12-02-2013, 08:13 AM | #6 |
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Clean your MAF. Put your stock air box back on.
I would get engine running rich error codes on my old E90 328 when I had the AFE CAI on. I would clear the code and it would come back every 3-4 weeks. Eventually my O2 sensor failed, at the time the car was still under warranty so I put the stock box back in and took it to the dealer. Not sure if the O2 sensor failure was due to the CAI but just a heads up. |
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engine, error, maf, sensor, service |
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