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P0391 Diagnostic Trouble Code Discussion for March 2012

Exhaust Camshaft Position Sensor Performance (Bank 2)

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Trouble Ticket Help Requests for DTC P0391
Help Request Posted
2005 Audi A4 Quattro 3.2L Poor Idle Quality, MIL Lamp on VIN: WAUDG68E15
P0391: bank 2 exhaust cam signal implausible signal. ... light on with a stored p0391 code for bank 2 exhaust cam signal performance/range problem.I replaced the cam shaft actuator for the exhuast due to debris jammed in it.Test drove and no codes returned and ran great.How ever when customer picked up vehicle m...
March 28, 2012