Flash the ECU?
#4
The audi dealership recommended that I flash the ecu since I changed the cat and mufflers. I'm still getting the code p0430 after I put new cats on. Also after doing a search I read that there is a TSB for low efficiency bellow threshold. I have a 2001 a6 4.2. Is their a way to print out this TSB to take to audi. Read that it came out in 2005. Same year I got the car.
#6
Now it makes sense. I didn't know that 4.2s had the same problem that 2.8s had. Anyways, I had to get mine reflashed and the dealer claimed that it was not covered under the warranty. I talked to my Audi tech buddy and he told me it all depends on the dealer. AOA does not cover reflash for cars that ran out of warranty. Anyways I believe mine was about $300. The code never came back since then.
#7
Went to audi yesterday and it turns out there is no update for the 4.2. The aftermarket cats I got don't work with my car and I can't find anything else. The service manager said normally they would be 2500 for both cats together. He would give me his employee discount and they would cost 1600 together. I have no choice at this point.
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