adblue

  1. A

    Adblue System Fault - No Restart

    Morning All, Ive had a yellow Adblue System Fault, No Restart in xx miles flash. Its started at 650 and is now on 550. Ive ran VCDS and it didnt find a fault code however, I ran some specific tests on the reductant system and found the following: IDE03129 Reducing agent pump: activation...
  2. S

    Q5 Audi Q5 2012 Adblue system fault

    Hi Gang My wife's Q5 has the amber engine light on twice. The fault is P20B800 Reductant Metering Unit Heater Control Circuit High. My local Audi specialist (not a main stealer) says options look like:- - New complete adblue tank , pump and heater c £2k plus fitting - Adblue system delete c£250...