Catalytic convertor bad at 65k? PLEASE HELP !!!! on 2005 Audi A4 Quattro

05 quattro v6,purchased at 50k,exhaust tone and mileage went way down after about a month,started hard shifting and hesitating,i thought it was a transmission problem,took to local trans shop they said -it needs a rebuild for 7k! could not supply a specific explanation -worn out on the inside was all i got from them.i started it today and it was running like absolute crap at idle and 40-50 mph baaad hesitation ,i swear it sounds like bad catalytic convertor. at idle it was clearly almost backfiring -sounded like inside the cat,low sound,can anyone help me out?im a single dad with no income -is it the cat? already? and shouldnt that fall under the 80k federal catalytic warranty?thank you all

by in Rock Hill, SC on February 24, 2010
1 answer
ANSWER by on February 24, 2010
seems like theres alot going on with the car. are you able to have the eng and trans checked for faults? cats are covered for 8/80 if that is your problem but keep in mind cats usually dont die this early, they get killed! have you had any flashing check eng lights? a misfire can kill a cat (flashing lt). has your gear shift display lit up unusually? this would indicate a trans fault. and is your car an early 05 (3.0 v6) or late (3.2 v6)? normally i would suggest unbolting the cats and run the car to see if it frees up but on your car that ain't no picnic!!!
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