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Boost Problem

A3Quattro1985 Apr 22, 2009

  1. A3Quattro1985

    A3Quattro1985 New Member

    I have a 1999 8L A3 Quattro sport 1.8 20vt 180bhp (ARQ engine i think) and i have had it remapped, the car was runnig fine until i changed the gearbox to a 6 speed box. But now when im driving every so often while accelerating the engine cuts out and the engine warning light comes on i have noticed that the car is boosting to 20 psi. i have plugged vagcom in and it is giving me an overboost error. i have put the standard diverter valve on as i thought it could be this but its still doing it.
    Do i need to go back and get the remap looked at.
    Any help would be greatly appriciated.

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