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P2279 Diagnostic Trouble Code Discussion for February 2010

Intake Air System Leak

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Trouble Ticket Help Requests for DTC P2279
Help Request Posted
2005 Volkswagen Jetta 2.5 2.5L Misfire, MIL Lamp on VIN: 3VWSF71K15
P2279: leak in air intake system. Vehicle misfires. Scoped injector and coils-ok. Scoped maf sensor-ok. LTFT -3.5%. Sprayed with gum cutter. No vacuum leaks. Excessive vacuum from filler cap and dipstick tube. Replace vc for possible torn crankcase ventilation diaphram. No change in the way th...
February 04, 2010