P0456 Diagnostic Trouble Code Discussion for October 2013
EVAP System Small Leak
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| Help Request | Posted | |
| 2007 Audi A6 Quattro 3.2L MIL Lamp on VIN: WAUDH74F07 P0456: evap system very small leak. veichle came in with codes,p0455 & p0456.smoked system,found leaks by intake.2 vacuum tubes and elbow.replaced them cleared code and shipped veichle.came back with only p0456.smoked system again,sprayed with soapy water no signs of a leak. held pressure at... |
October 10, 2013 |
