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P2179 Diagnostic Trouble Code Discussion for March 2015

Fuel Trim System Lean At Cruise Or Acceleration (Bank 2)

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Trouble Ticket Help Requests for DTC P2179
Help Request Posted
2007 Audi Q7 4.2L MIL Lamp on VIN: WA1AV74L07
P2179: Too Lean Off Idle Bank 2. Mil on 008569/P2179 Too lean off idle Bank 2. Long term fuel trim Bank 1 = 1.6 Bank 2 = 14.1 Car came in Mil on P2179 but runs well. Smoke tested intake, tested good. Took car with high pressure fuel pressure on graph to see if there was a difference side to s...
March 03, 2015