P2279 Diagnostic Trouble Code Discussion for March 2016
Intake Air System Leak
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| Help Request | Posted | |
| 2009 Audi A4 Quattro 2.0L Poor Idle Quality, MIL Lamp on VIN: WAUSF78K29 P2279: 5646 - Leak in air intake system. My turn! The customer says that the car is intermittently hard starting and will run a little rough once it starts, for a few seconds. No misfire codes stored. I've done a lot of work on this particular vehicle. My gut keeps saying purge valve but I've tested ... |
March 05, 2016 | |
| 2004 Acura TL 3.2L MIL Lamp on VIN: 19UUA66284 P2279: Intake Air System Leak. ... problem, Car had a slight rough idle with no codes. We cleaned the electronic throttle body and the car idled much better. We performed a PCM relearn and Idle relearn procedure many times. We have a code now P2279 (vacuum leak) and it always comes back no... |
March 07, 2016 |
