Question about Audi Quattro

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1994 Audi Quattro 90 engine wiring harness to TPS

Hi, we're new to the forum. We recently replaced the head gaskets on a 94 Audi 90 Quattro. The job itself went smoothly, but, we're having a heck of a time finding any wiring diagram for the engine. In particular, we're trying to locate the TPS plug. We somehow misplaced it in the engine so we're trying to find a good wiring diagram to show us what harness and location that the plug would be coming from. Any help on the diagrams is very much appreciated. Oh, engine is a 2.8 V-6. Thanks in advance.

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  • Lee Quiroz
    Lee Quiroz Jun 08, 2008

    The quick and promt helpfulnes we received from you I hope to be able to repay to someone else as puzzled. much thanks now for the wirring diagram and then we well be in bussines

  • Lee Quiroz
    Lee Quiroz Feb 04, 2009

    I wasn't looking for another engine. What we did was replaced the head gaskets and customer decided on up grading. So we installed custom ground cams and ported and polished the cylinder heads while it was apart. Upon putting the engine back together, during installation the TPS plug somehow got pinched under the throttle body. I got it out and installed it where it belonged and the car ran exactly the way it was supposed to.

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Send me your email so i can send a pic and see if that helps

Posted on Jun 08, 2008

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