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2012 Audi Q7 TDI Premium Plus 3.0L AD Blue Warning
Posted to European Driveability on 9/22/2021 9 Replies

This Audi Q7 is my wife's all time favorite car - it used to get 35 mpg and now after the EPA Emissions modification it still gets 28 mpg highway, but with much diminished engine power compared to before the EPA emission reprogramming. The problem is th...

9 Replies Received (View Replies)

  Related Documents & Media  2012 Audi Q7 TDI Premium Plus

 
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car Vehicle Data

2012 Audi Q7 TDI Premium Plus

VIN WA1LMAFE1C
Engine3.0 L / 6 cyl / DIESEL
Trans8-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsAd Blue Warning
OccursIntermittently

Trouble Codes

P20F4Reductant Consumption Too Low
Open Help Request

car Vehicle Data

2012 Audi Q7 TDI Premium Plus

VIN WA1LMAFE1C
Engine3.0 L / 6 cyl / DIESEL
Trans8-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsAd Blue Warning
OccursIntermittently

Trouble Codes

P20F4Reductant Consumption Too Low