BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST - View Single Post - MAF sensor error with engine warning light. (335d).

Houngan · 11-27-2021, 05:08 AM

Forgot to add. When I clear the error. It comes back more or less as soon as I start the car. I have also tried cleaning the MAF sensor with MAF electronic contact cleaner.

Also the car is on 59k miles forgot to add that...

Also I don't notice much if any degradation in performance. Its pretty rubbish weather here at the moment tho so I havnt pushed it...

Does this sound like an egr issue to you guys? I have checked around it a little and can't see any soot escaping from cracks or anything obvious on the cooler part but the actual egr valve itself I am unsure if you can just take off and clean.

11-27-2021, 05:08 AM	#2
Houngan Registered 2 Rep 3 Posts Drives: F30 335d Join Date: Nov 2021 Location: Bradford uk iTrader: (0)	Forgot to add. When I clear the error. It comes back more or less as soon as I start the car. I have also tried cleaning the MAF sensor with MAF electronic contact cleaner. Also the car is on 59k miles forgot to add that... Also I don't notice much if any degradation in performance. Its pretty rubbish weather here at the moment tho so I havnt pushed it... Does this sound like an egr issue to you guys? I have checked around it a little and can't see any soot escaping from cracks or anything obvious on the cooler part but the actual egr valve itself I am unsure if you can just take off and clean. Last edited by Houngan; 11-27-2021 at 05:35 AM..
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