P2177 Diagnostic Trouble Code Discussion for March 2017
Fuel System Too Lean At Off Idle (Bank 1)
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| Help Request | Posted | |
| 2012 Volkswagen Tiguan S 2.0L MIL Lamp on VIN: WVGCV7AX1C P2177: System too lean off idle. Hello everyone. Fighting a Tiquan with a severe lean condition. Using the Escan it is indicating lean mixture from idle to high RPM's. Normally I would condemn either the air mass sensor or fuel delivery. The trick to this situation is fuel pressure on low sid... |
March 24, 2017 |
