P2188 Diagnostic Trouble Code Discussion for February 2016
Fuel System Too Lean At Idle
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| Help Request | Posted | |
| 2010 Audi A4 Quattro Avant 2.0L MIL Lamp on VIN: WAUSFAFL5A P2188: System too rich at idle. Audi Tech, please help on this bad boy here, car came in with this two faults. Check crankcase vacuum 4 inches, disable hose [...] vent valve-crankcase vacuum normal. Replace 2 crankcase vent valve from Audi Dealer - still 4 inches vacuum - but no misfire. Per... |
February 27, 2016 |
