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I have a 2011 Audi A5 I’ve been having this problem where the car jerks when I accelerate, I’ve upgraded to r8 coil packs, replaced all 4 injectors and sparks. I also cleaned the maf sensor, the car ran perfectly fine for 1 week and the problem came back. The car is on 91 octane IE stage 2
 

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Audi A5 f5 3.0 TDI Quattro S line S tronic Virtual Cockpit Driving assist pack
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I have a 2011 Audi A5 I’ve been having this problem where the car jerks when I accelerate, I’ve upgraded to r8 coil packs, replaced all 4 injectors and sparks. I also cleaned the maf sensor, the car ran perfectly fine for 1 week and the problem came back. The car is on 91 octane IE stage 2
Sounds like misfire but your best bet is to use a proper VAG scanning tool like Ross tech cable and see if any codes are showing to see a root cause!


Hope this helps,

~Alex
 
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