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P2279 Diagnostic Trouble Code Discussion for June 2014

Intake Air System Leak

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Trouble Ticket Help Requests for DTC P2279
Help Request Posted
2006 Volkswagen Jetta 2.5 2.5L Poor Idle Quality, Misfire VIN: 3VWRF31K86
P2279: Intake air system leak. ... bad crankcase breather (poor idle and misfire) when off idle cars runs good and strong no misfires under load. it is throwing a P2279 air intake system leak. manifold has steady 19" of vac. I tested the crankcase breather of the valve cover by disconne...
June 18, 2014