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P2177 Diagnostic Trouble Code Discussion for January 2016

Fuel System Too Lean At Off Idle (Bank 1)


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Trouble Ticket Help Requests for DTC P2177
Help Request Posted
2012 Volkswagen CC Sport 2.0L Hesitation, MIL Lamp on VIN: WVWNP7AN3C
P2177: Lean off idle. ... p0089,p2177-long crank to start-no power on accel-how do you check if problem is low or high pressure pump-duty cycle seems high-i dont have a guage that reads high pressure-any advise
January 07, 2016
2005 Mazda 3 S 2.3L Poor Idle Quality, Stall, Very Lean VIN: JM1BK32355
P2177: Fuel System Too Lean At Off Idle (Bank 1). Hello Friends, Car has unstable idle, will occasionally stall. Seems to run well at cruise, suspected vacuum leak early in diagnosis. When not in Open Loop Fault idle fuel trim in excess of 25% STFT & 20% LTFT, at cruise 0-5% STFT & 20.4% LTFT. Front...
January 09, 2016
2005 Mazda 3 S 2.3L Poor Idle Quality, Stall, Very Lean VIN: JM1BK32355
P2177: Fuel System Too Lean At Off Idle (Bank 1). Hello Friends, Car has unstable idle, will occasionally stall. Seems to run well at cruise, suspected vacuum leak early in diagnosis. When not in Open Loop Fault idle fuel trim in excess of 25% STFT & 20% LTFT, at cruise 0-5% STFT & 20.4% LTFT. Front...
January 11, 2016
2007 Audi A4 Quattro 2.0L MIL Lamp on VIN: WAUDF78E97
P2177: System too lean off idle. ... here. Car came in with P2177 & P1093 - Perform a lot a parts replacement, now the car has no performance problem, but faults came back after 3 or 4 days driving. No vacuum leak, crankcase vacuum normal, fuel pressure & fuel duty cycle within spec.R...
January 24, 2016