Rough idle and misfire on all cyl at idle, and above 60mph
#1
Rough idle and misfire on all cyl at idle, and above 60mph
I haveva 2005 audi a4 1.8t. The issue that I'm having is a misfire caused vibration at idle, and at higher speeds on all four cylinders. It also pulled a lean code. I am leaning towards pcv valve and system. It just seems to fit. I replaced spark plugs, and changed oil thus far, but would like some help pinpointing common causes. Any help would be great. The car has 108k on it.
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