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2012 A6 3.0. 86K Starting to get pretty chilly in GA, and…

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2012 A6 3.0. 86K Starting to...
2012 A6 3.0. 86K
Starting to get pretty chilly in GA, and also had a small aftermarket amp and speaker installed at a shop about a mth ago.
All of the sudden today, under just normal acceleration, ECU kicks on and rough idleing begins. Feels not good, immediately pull over, turn engine off then back on, drive remaining 5 miles to my destination. 1 hr later, crank car, aa soon as mild to hard accel, ECU and now Check Engine. Turning engine off and back on will get rid of ECU, but engine light still on, drove as slowly and carefully home.
My question, other than what could it be, is also if i could mess up my aftermarket warrenty with the stereo or if that could likley be the issue
Submitted: 8 months ago.Category: Audi
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Answered in 4 hours by:
11/17/2017
Audi Mechanic: Wolfgang, Audi master tech replied 8 months ago
Wolfgang
Wolfgang, Audi master tech
Category: Audi
Satisfied Customers: 5,219
Experience: Senior Audi Master Tech 15 yrs
Verified
Hello I’m Wolfgang. There is a good possibility on the stereo may be causing the issue here. In that way can void the warranty too if something damaged from the installation. I would restore back to stock them take it to the repair facility.
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Audi Mechanic: Wolfgang, Audi master tech replied 8 months ago
Anything else please do let me know. Thanks
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