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...
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...
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