06 Jetta 2.5 Intermittant fast idle with p0171 p2279 and p0507 codes returning after replacing valve cover and oil filter housing.... and runs rough at times


Asked by Apr 10, 2012 at 01:09 PM about the 2006 Volkswagen Jetta 2.5L

Question type: Maintenance & Repair

1 Answer


Found the problem. Found a faulty purge flow solenoid causing a massive internal vacuum leak whick in turn caused the fast idle and lean codes....

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