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Old 08-18-2018, 08:35 AM   #6
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Join Date: Aug 2018
Location: Oak Harbor WA
Posts: 9
Originally Posted by thstone View Post
The hunting idle does suggest an air leak but you said that the car actually backfires which implies a timing issue and that is usually related to an engine sensor problem.
Roger that. I'll keep hunting around. Upon further investigation after work I tried to pop off the oil filter cap and noticed it had no effect in the cars idle, it continued to idle rough. Looking around under the throttle body the flexible filler tube doesn't seem to be leaking but where the hard L shaped tube goes into the crank case is covered in oil and gunk. I ordered that and a new O-ring to swap out. Could that be causing enough of a vacuum leak to cause my problems, or is this just something else that needed to be fixed?
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