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  1. W

    Sensor Problem

    Hi everybody. I'm looking for some help and advice. I have a 99 A4 2.8 quattro with an APR engine. The engine is misfiring on one bank. I've changed the MAF sensor, reset the throttle body (after a good clean) air temp sensor, coils, plugs, leads, and even the rubber piping on the pneumatic...
  2. W

    Hi Everyone

    Found this site by accident wile hunting some info. Been a lifelong Audi fan and currently drive a 99 A4 quattro with the 2.8 30v engine. I also have an Alpine white 1985 UR Quattro with a not so well WR engine which I'm currently restoring to it's former glory.