P0642 Diagnostic Trouble Code Discussion for March 2011
Sensor Reference Voltage 1 Circuit Low
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| Help Request | Posted | |
| 2007 Audi A4 Quattro 2.0L Excessive Emissions, Poor Idle Quality, Hesitation, Misfire VIN: WAUDF28EX7 P0642: Sensor Reference voltage A Circuit low. ... with the CEL illuminated. I pulled codes from it and got the following: P3137 P2004 P0642 P0444 P0033 P0243 P1573 P2400 P2295 P0030. The first 2 codes are relate... |
March 01, 2011 |
