Audi A3 Piston Misfire?

audi
a3

#1

My beloved Audi A3 3.0L with automatic transmission has developed a problem when upshifting. I seems to have a problem getting into gear and almost lunges and stutters then the check engine light comes on. It only seems to happen when I give it extra gas from a lower gear. My dealer characterized it as a piston misfiring and has changed two valves, but after three visits it is still not fixed. I can reproduce the problem pretty easily, but don’t know enough about cars to diagnose it. Any ideas would be appreciated.


#2

There may be some misinterpretation going on between you and the dealer as it is impossible for a piston to misfire.

There’s not enough info provided to be in the ballpark about what’s going on.
Replacing 2 valves denotes engine damage and short of a prior broken timing belt problem or extremely high mileage valve/cylinder head damage is rare.

I would advise getting a local parts house (AutoZone, O’Reillys, Advance, Checkers, etc.) to scan the car for codes. It only takes a few minutes and they will do this for you free. Post the results back here for discussion.


#3

I think you should get a second opinion from another dealer.


#4

Try some more specialized forums .
Audiworld
or
VWvortex

Vortex covers every VW vehicle .