2015 RS7 CEL / Engine gremlins
02-12-2015, 10:15 PM
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2015 RS7 CEL / Engine gremlins
Car threw a CEL flashing and then solid after I attempted to recreate the problem the first time I felt it. I was accelerating up the on-ramp, manual mode, 3rd-4th gear around 4K RPM when i noticed the engine stumble, cut power, CEL light flash, then all was normal. Attempted to accelerate under load again and same problem when reaching 4-5K RPM. Car is absolutely smooth in coasting/ light acceleration runs.
3 days at dealer so far and they have diagnosed that the entire left bank shut off when the CEL code was initiated.
Dealer swapped high pressure fuel pumps to see if they could replicate the problem on the other bank, no luck, same set of cylinders; especially cylinder 5 consistently showing misfire.
Car has 9000km; certainly upset but dealer has been very co-operative/ helpful through the whole process.
thoughts?
3 days at dealer so far and they have diagnosed that the entire left bank shut off when the CEL code was initiated.
Dealer swapped high pressure fuel pumps to see if they could replicate the problem on the other bank, no luck, same set of cylinders; especially cylinder 5 consistently showing misfire.
Car has 9000km; certainly upset but dealer has been very co-operative/ helpful through the whole process.
thoughts?
03-03-2015, 09:21 AM
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CEL resolved - Good read if you have a 2015
Car threw a CEL flashing and then solid after I attempted to recreate the problem the first time I felt it. I was accelerating up the on-ramp, manual mode, 3rd-4th gear around 4K RPM when i noticed the engine stumble, cut power, CEL light flash, then all was normal. Attempted to accelerate under load again and same problem when reaching 4-5K RPM. Car is absolutely smooth in coasting/ light acceleration runs.
3 days at dealer so far and they have diagnosed that the entire left bank shut off when the CEL code was initiated.
Dealer swapped high pressure fuel pumps to see if they could replicate the problem on the other bank, no luck, same set of cylinders; especially cylinder 5 consistently showing misfire.
Car has 9000km; certainly upset but dealer has been very co-operative/ helpful through the whole process.
thoughts?
3 days at dealer so far and they have diagnosed that the entire left bank shut off when the CEL code was initiated.
Dealer swapped high pressure fuel pumps to see if they could replicate the problem on the other bank, no luck, same set of cylinders; especially cylinder 5 consistently showing misfire.
Car has 9000km; certainly upset but dealer has been very co-operative/ helpful through the whole process.
thoughts?
Car definitely feels faster then when i first picked it up.
03-03-2015, 10:22 AM
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that's good to hear. I have a '15 RS7 too so you post got me worried. Still less than 1000 miles but now I know if I experience similar issues.
The issue with the fuel pumps on DFI motors is something that other manufactures have dealt with too, namely Porsche. I had mine replaced under warranty on my first 09 997.2 car.
The issue with the fuel pumps on DFI motors is something that other manufactures have dealt with too, namely Porsche. I had mine replaced under warranty on my first 09 997.2 car.
03-04-2015, 06:12 PM
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that's good to hear. I have a '15 RS7 too so you post got me worried. Still less than 1000 miles but now I know if I experience similar issues.
The issue with the fuel pumps on DFI motors is something that other manufactures have dealt with too, namely Porsche. I had mine replaced under warranty on my first 09 997.2 car.
The issue with the fuel pumps on DFI motors is something that other manufactures have dealt with too, namely Porsche. I had mine replaced under warranty on my first 09 997.2 car.
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