Question about 2003 Audi A4 Cabriolet

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I have just picked up a 2.0 ltr, petrol, 2003 Audi A4 Avant. I have noticed that at around 2000 rpm i some times get a slight missfire. There is a very slight judder and then all is well again. It's going back to the garage soon, so would like to be armed with some possible solutions. Any help please?

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  • gary296 Mar 25, 2011

    Is this a common problem? How is this checked? Can it be picked up with diagnostics?

  • gary296 Mar 25, 2011

    Thanks for your help. This is the first time I have used this site and it's been fantastic. Thanks to people like you, the man on the street can find answers without an expensive garage kicking the tyres saying ' it will cost ya!' Thank you.

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Have them check or replace TPS (throttle positioning sensor) Ot's basically a rheostat that controls throttle as you step on pedal. After time they develop "hot spots" or wear at certain spots that are used regularly. They stumble when TPS has a hot spot.

Posted on Mar 25, 2011

  • Mical Caterina
    Mical Caterina Mar 25, 2011

    really common and an OBII scan will pick up on it.

  • Mical Caterina
    Mical Caterina Mar 25, 2011

    Not a problem, we walk the same streets, breath the same air and anything to help.

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