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I don’t even think the thermostat was that bad. Check my recent post on the A7 section “3.0tfsi coolant failure”

hi just wanted to share my experience as it may help someone. My problem got worst over course of a year and it was very frustrating as even a independent Audi garage struggled. My car is early 2012 a7 3.0t fsi CGWB similar to s4/s5 engine with just under 60,000 miles. First symptom was...

The k&n typhoon intake has only been on about two weeks. Had standard airbox before but a pipercross filter

Thanks for your reply mate. Im still confused as it doesn't explain the rich running while idle. Forgot to mention sometimes the idle feels lumpy but the rpm needle doesn't move. What else can i check? Dash command tells me fuel rail pressure.

Hi all, basically the car at idle 90% of the time is taking away fuel, upto -11%. When normal accelerating it is adding fuel say less than 12% and on WOT at 5000rpm+ the fuel trims add 20-25% and i experience a flat spot or two. Please tell me i need a new MAF? The reason i think otherwise is...

Maybe because of the sport cat 100cell combined with the pre cat delete it through the emissions light. Without checking the code a friend told me I need a spacer on sensor 2. And since then it hasn't come back until the recent backbox change.

Apologies. Car is 2006 a3 2.0tfsi BWA

Hi all new to the forum. A bit of history...main cat broke last year at only 50,000miles, replaced with a 100cell cat. Turned out the coilpack recall was not done so got that done soon after. After seeking some more power (car has stage 1 map) I deleted the precat which through an emissions...