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Re: RE: Coupe Quattro: 3800 RPM Cutout
> I think there might be 2 other limp home triggers...the idle switch
> remaining electrically closed under acceleration and the distributor being
> out of adjustment.
On my QTC the problem was due to the distributor sensor signal coming back
to the ECU at the wrong time. In my case the problem was intermittent and
seemed to be related to ambient temperature. The limp-home mode was more
likely to be activated on hot summer days. I haven't had the problem since
I carefully lined up the mark on the distributor to the mark on the head.