P0491 Diagnostic Trouble Code Discussion for July 2014
Secondary AIR System Insufficient Flow Detected (Bank 1)
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Trouble Ticket Help Requests for DTC P0491
|2002 Volkswagen Passat GLS 2.8L MIL Lamp on
Air pump will not activate.I do not have a factory tool to activate.My Autel and Launch do not have the capability.The large 40 amp fuse in the engine compartment is not blown.The relay next to it(when I remove it ) I can make it click remotely.If I send curre...
|July 21, 2014|