P1548 Diagnostic Trouble Code Discussion for July 2007
Engine Air Filter Restriction
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| Help Request | Posted | |
| 2001 Audi S4 Avant 2.7L Surge, MIL Lamp on VIN: WAURD68D71 P1548: Solenoid valve for charge pressure control-N75-open circuit. Vehicle came in with a turbo boost problem.Seemed the turbo was surging upon boost first 15lbs. then 10lbs. erratically and continous always.We did a quick test on the computer memory.Recorded the codes then cleared them and drove the car and no codes have ret... |
July 23, 2007 |
