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

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Asked by snapy71 Apr 10, 2012 at 01:09 PM about the 2006 Volkswagen Jetta 2.5L

Question type: Maintenance & Repair

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snapy71 answered about a year ago

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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