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AUDI S7 4.0 TFSI problem
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10-12-2017, 15:23 PM,
(This post was last modified: 11-12-2017, 15:54 PM by Clusters.)
Post: #11
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RE: AUDI S7 4.0 TFSI problem
(10-12-2017, 14:16 PM)phydor Wrote: The car has 100k mileage.If it was something related to timing chain it wouldn t have worked at all.In the past used to work hours before starting to stutter.The guys from AUdi dealership found gasoline in the oil tank, i concluded that it got there because of the massive backfire.But something is causing massive backfire without being detected by the ECU, that s the problem.I suspected also a wiring problem because the isolation of the wiring that passes above the exhaust it s melt.I searched online for ECUs for this car, found one in Netherland, i ll buy it and make a try because this ECU behaviour is odd.I don t know why the dealers haven t changed the ECU just to rule it out... If your car has electrical issues it could also be 09 Electrical control unit or 19 gateway. Good luck. Even a doctor can not do a correct diagnosis over the phone. If you like my post press
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