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2008 Audi A4 Cabriolet 2.0L Poor Idle Quality, Misfire, MIL Lamp on
car runs perfect when cold and under load. Live data short term fuel trims within spec when running good, seems to be once warmed up short term fuel trim goes all the way to lean 25. with no obvious vacuum leaks. At that point also car will begin to misfire. I...
FIX posted 8/6/2014
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Related Documents & Media | VIN | WAUAF48H98 |
| Engine | 2.0 L / 4 cyl / GAS |
| Delivery | Fuel Injection / FSI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Hot, Idle |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0300 | Multiple Misfire Detected |
| P0301 | Cylinder 1 Misfire Detected |
| P0302 | Cylinder 2 Misfire Detected |
| P0303 | Cylinder 3 Misfire Detected |
| P0304 | Cylinder 4 Misfire Detected |
Message Closed w/FIX
Vehicle Data
2008 Audi A4 Cabriolet
| VIN | WAUAF48H98 |
| Engine | 2.0 L / 4 cyl / GAS |
| Delivery | Fuel Injection / FSI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
| Occurs | Hot, Idle |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
| P0300 | Multiple Misfire Detected |
| P0301 | Cylinder 1 Misfire Detected |
| P0302 | Cylinder 2 Misfire Detected |
| P0303 | Cylinder 3 Misfire Detected |
| P0304 | Cylinder 4 Misfire Detected |
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