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Q5 3.2L Misfire, only on long drives.

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Old 07-15-2022, 10:38 AM
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I have similar issue with my 2015 Q5 2.0. The funny part is - the wobble happens during winter time and the vehicle runs quite smooth during summer time. The Audi mech at the dealership told me that its the faulty fuel injectors and they have quoted me a whopping $3.5K to replace / fix it.
Old 07-15-2022, 10:45 AM
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Bit of an update - changed out coils and plugs, and replaced valve cover gaskets last night. Got a 5 hour drive coming up in a few weeks, I guess we'll see then if its fixed.
Old 07-15-2022, 10:55 AM
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Originally Posted by CurtisPlug
Bit of an update - changed out coils and plugs, and replaced valve cover gaskets last night. Got a 5 hour drive coming up in a few weeks, I guess we'll see then if its fixed.
Did you ever try the 2 bottles of Techron Fuel Injector Cleaner on half a tank of gas?
I had a similar issue on my 2010 Q5 3.2L that I just got back working a month ago after sitting for 2+ years. Mine wouldn't allow me to accelerate past 3,000 rpms or do any heavy accelerations without the EPC light coming.
I checked everything, but doing the 2 bottles of injector cleaner on half a tank of gas cleared it right up. Car runs great now!
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