Question about 1999 Audi A6

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96 audi a6 quattro no spark or injector pulse

Already replaced the crank&cam sensor ,coil pack checks ok.Im thinking maybe ecm .

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  • Joe Smiith
    Joe Smiith May 11, 2010

    crankshaft sensor is wired to the abs modulator on the abs pump you could disconnect and see what happens mine stopped the tacho working but the engine still runs just a thought

  • Paul Marchant May 11, 2010

    I would check the ecm and wiring, as where it is located, sometimes there can be excess water build up which will damage to ecm

  • Anonymous Mar 19, 2014

    I have an 01 Audi A6 and just replaced the coil packs because the car was missing and running horrible. Now the car runs great but the CEL keeps coming back on after I erase the code and giving me a p0351 p0352 and p0353 code but the car is running great what can I do.

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I WOULD GO FOR THE ECM AND CHECK WIRING

Posted on Mar 26, 2009

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If it where the crank sensor there would be no injector pulse also. If it where the cam sensor you could have unplugged it and see if the car started. I think this one may have a simpler solution. Have you checked for power to the coils? Have you checked the coil fuse or the ECM relay?

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