2014 Audi Q7 Premium Plus 3.0L Excessive Emissions, Poor Idle Quality, MIL Lamp on
Problems all started after battery replacement although we did find or believed the crankcase vent valve to be bad even after replacement we still have a hard start issue and fuel trims are reading very rich at aprox.-20. Not sure if it matters but custome...
FIX posted 6/25/2018
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Message Closed w/FIX
Vehicle Data2014 Audi Q7 Premium Plus
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2014 Audi Q7 Premium Plus
VIN | WA1LGAFE0E |
Engine | 3.0 L / 6 cyl / GAS |
Trans | 8-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | Excessive Emissions, Poor Idle Quality, MIL Lamp On |
Occurs | Always |
Trouble Codes
00439 | Fuel trim bank 1 system too rich |