P2177 Diagnostic Trouble Code Discussion for December 2019
Fuel System Too Lean At Off Idle (Bank 1)
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| Help Request | Posted | |
| 2013 Audi A4 Quattro 2.0L MIL Lamp on VIN: WAUBFAFL6D P2177: System too lean off idle. Thank you for your help in advance. I have disconnected the breather still showing high fuel trim numbers. Added external fuel source. Fuel trims do lower with extra fuel. No Oil Leaks. Blocked off purge valve and the brake booster with no change. Added pr... |
December 16, 2019 | |
| 2013 Audi A4 Quattro 2.0L MIL Lamp on VIN: WAUBFAFL6D P2177: System too lean off idle. Thank you for your help in advance. I have disconnected the breather still showing high fuel trim numbers. Added external fuel source. Fuel trims do lower with extra fuel. No Oil Leaks. Blocked off purge valve and the brake booster with no change. Added pr... |
December 23, 2019 |
