Quote:
Originally Posted by brian325is
I had the same problem as silver-s. Kept cleaning my mass air flow and the code would come back.
Changed the AOS and the oil filler tube and the code is gone. The filler tube had a leak somewhere. You could see a build up of oil and dirt on the tube.
Must have caused a vacuum leak. BTW my car passed the oil cap vacuum test.
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My car passes the oil cap vacuum test, but I will check that tube as I did blow a smoke bomb at my last track day. I believe it was because I had accidentally overfilled the oil at my previous oil change (since resolved by dropping the oil filter)
I have had the oil filler tube and AOS replaced within the last 50,000 miles, but as I am realizing, just because it was replaced once in the past doesn't make it a lifetime fix
Steve