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Mike Kelly
Mike Kelly, Audi Mechanic
Category: Audi
Satisfied Customers: 5308
Experience:  17 years experience as a auto mechanic, foreign and domestic.5 years running my own repair business.
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Audi S4: rough idle...stammering at highway speeds, feels like

Resolved Question:

rough idle...stammering at highway speeds, feels like a misfire, slight valve noise????
Submitted: 1 year ago.
Category: Audi
Expert:  Mike Kelly replied 1 year ago.


Hello, welcome. My name isXXXXX will do my very best to
assist you with your question.

Is the check engine light or any warning lights coming on?
Customer: replied 1 year ago.

check engine light is on but not blinking

Expert:  Mike Kelly replied 1 year ago.
Ok has the vehicle been scanned for codes?
Customer: replied 1 year ago.

havent scanned it yet

Expert:  Mike Kelly replied 1 year ago.
With the valve noise and the way the vehicle is running and idling,this indicates that the issue may be with the timing of the vehicle being out of specs.What I would suggest as a first step is to have the vehicle scanned for codes and there will likely be a code related to the timing which is common on these vehicles.
Customer: replied 1 year ago.

most likely to fix that issue...i would need a new timing belt?

Expert:  Mike Kelly replied 1 year ago.
More than likely yes.
Mike Kelly, Audi Mechanic
Category: Audi
Satisfied Customers: 5308
Experience: 17 years experience as a auto mechanic, foreign and domestic.5 years running my own repair business.
Mike Kelly and 7 other Audi Specialists are ready to help you
Customer: replied 1 year ago.

a costly fix but no way around it


thanks for your help. having it looked at this week

Expert:  Mike Kelly replied 1 year ago.
No problem thank you,don't forget to rate the answer for me. Thanks again.

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