CAR IS NOT ACCELERATING PROPERLY

2003 Audi A3

Tiny

conradm

May, 31, 2012 AT 11:08 AM

My car stutters at about 3500-4000 rpm's.
it feels like it is struggling for power, replaced ignition coils (ouch) and spark plugs but still no luck, 2 'mechanics' could not find the fault and both had put it on diagnostic test, I feel it could be something on the ignition system but thats an uneducated guess, please please help!

FOUND 16219 RELATED QUESTIONS

2 Answers

Tiny

rasmataz

May, 31, 2012 AT 11:20 AM

Do you have a check engine light and when was last tune-up? Go to this walk thru link: http://www.2carpros.com/articles/engine-has-low-power-output

Tiny

exovcds

May, 31, 2012 AT 2:17 PM

2.0L FSi?

If yes, could be a broken diaphragm in the bypass valve.

Hole in orange diaphragm. See attached image.

Thomas

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