Share. 1 / 1. Q7 MK 1 Discussion - Audi Q7 3.0 TDI cold start problems - I have seen many discussions on the problem of TDI engines being hard starting after say 12 hours , i found on another forum that the injectors need a back pressure of 10 psi to work , normally this is held by a valve after engine stop , but this valve can 2013 Audi Q7 TDI Premium Plus quattro 4dr SUV AWD (3.0L 6cyl Turbodiesel 8A) 44 of 46 people found this review helpful Bought Q7 TDI 3.0 used in 2014 with 25k miles in perfect shape. New Toyota Crown for Sale in Gulf Breeze, FL. Used Dodge Challenger in Marlborough, MA. View all 88 consumer vehicle reviews for the Used 2006 Audi A6 on Edmunds, or submit your own review of the Find the location of the MAF sensor in your A6, unplug the electrical connectors, and remove the sensor from the housing. Spray at least 10 spurts of MAF cleaner onto the sensor and then let it air dry for an hour or until completely dry. Do not use cloth or cotton swabs to clean the sensor, as it can damage it. Attached Files. Vacuum Diagram.pdf (116.0 KB, 3179 views) Reply Like. A4 (B6 Platform) Discussion - 3.0 Vacuum line problem - CEL came on. Looked at vacuum hoses and noticed one that wasn't connected to anything. It's the one hi-lighted with yellow. It's located in back of the 3.0 and descends down behind the engine. The A6 quattro models are also known to have a problem that causes them to emit a whining noise between 30 and 40mph. And an oil-pressure warning is going to cause a few heart flutters, so it’s best to sort that quickly, and few things are as annoying as a car that won’t start – that happens to A6 owners when the starter motor fails. 4frnX. Audi A6 Allroad Quattro estate (2006-2011): owner reviews 3.0 TDI Quattro. Year. 2009. Avg annual mileage. 10,000 – 14,999. mostly good but problems with front & rear sensors, washers 4 Nov 2018. #17. Have an 06 3.0 TDI one myself and it's just fantastic. Was traded in to work over a year ago and I bought it for dad, such a great thing to waft from A to B in. Ours hasn't needed the chain done yet (on 130k now) and to be honest, when that time does come I'll probably do it and hold on to the car. Being stranded in a freezing car is no fun, and causing permanent damage to your car because of insufficient lubrication is even worse. You can easily avoid a breakdown and towing fiasco by checking if your car has one of the more common leaks outlined above. Or, if you want to save yourself the hassle, feel free to stop by Audi Raleigh to make See pricing for the Used 2007 Audi A6 3.2 Quattro Sedan 4D. Get KBB Fair Purchase Price, MSRP, and dealer invoice price for the 2007 Audi A6 3.2 Quattro Sedan 4D. View local inventory and get a Audi 3.0 TDI Engine Problems: 4 Common Issues & Fixes September 6, 2022 Audi Thousands of readers trust us every year Written by Finley Daniels Finley Daniels Meet Finley, our resident car enthusiast who can talk about automobiles for hours on end. With a background in automotive engineering, he's the go-to guy for all things under the hood. In esence yes. So. fix one to remove the bench and cover plate held by 3 screws. Then unplug electrical connectors , clean with contact cleaner and put back. Of this does not fix then you would need to take the sende out , plastic ring can be a pain to unscrew but few taps of a hamer through a wood block dose it.

audi a6 3.0 tdi quattro 2007 problems