Audi A6 The mid-sized Audi A6 model offers more room to the driver and passengers over the A4 line.

New Audi owner.

Old 07-07-2017, 08:25 PM
1st Gear
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Join Date: Jul 2017
Posts: 3
Default New Audi owner.

Boght my son a used 04 A6 2.7t Quattro sedan for $3200. The other day after he drove a short distance (3mi) he went in store and back out (15min) and car wouldn't start. I arrived after 45min and pulled fuel relay and replaced and still took about 10 second crank before starting at rough idle. Stepped on fuel to clear it out and it was good. Idled fine and he drove home. Today he calls and says it idled at 1200 rpm at start up then dropped to 900rpm. Usually idles at 750rpm. Someone told us cps was bad. Light in dash on since purchase. I am now understanding that there are 2 sensors? Can anyone give advice on this matter. Thanks
Old 07-08-2017, 10:24 AM
1st Gear
Join Date: Jan 2013
Posts: 320

Pull codes, that is step #1 then you can action from there
Old 07-21-2017, 09:41 AM
1st Gear
Thread Starter
Join Date: Jul 2017
Posts: 3

Ok. Pulled codes at O'Reilly's and only thing showing is coolant temp sensor high voltage. Engine light on in dash. Smells of raw fuel when it does this as well. Left my son sitting twice yesterday and late for work.
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