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2009 Audi A4 Quattro 2.0L Fuel Trims
Posted to European Driveability on 5/16/2023 12 Replies

After replacement of the rear main seal the engine runs much better. The fuel trim settled around 24 percent positive long term. Short term near 0. Check engine light has not come back on but the alternator is bad so hard to do a long test drive. I had it ...

12 Replies Received (View Replies)

  Related Documents & Media  2009 Audi A4 Quattro

 
Message Closed w/Summary

car Vehicle Data

2009 Audi A4 Quattro

VIN WAUSF78K29
Engine2.0 L / 4 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsFuel Trims
Message Closed w/Summary

car Vehicle Data

2009 Audi A4 Quattro

VIN WAUSF78K29
Engine2.0 L / 4 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsFuel Trims