Engine cutting out (sometimes!)

[Nate Stuart]

Sticking turbo by-pass valve it sounds like. Usually rears its head between
shifts when the valve opens (high intake manifold vacuum conditon), to let
the excess boost back into the metered intake stream, and fails to close
properly. They are available at the dealer for a resonable amount, and are
usually considered a tune-up item.

No expreiance with these buggers yet, just passing on my untested knowledge
from various lists....

-Nate
'89 90q
'87 5ktq (donor)
'86 5kt (another donor!?)


>
> My 1992 S2 has had a strange problem ever since I have owned it to do with
the engine sometimes cutting out.  Bascially upon acceleration through the
gears say I was to dip the clutch in second at around 3-4000 revs (or more)
the needle (and engine!!) will drop to 0rpm causing the car to cut out.
This doesn't always seem to happen, a lot of the time it will return to idle
quite happily, it is just more frequent after a reasonably harsh
acceleration following by disengaging of the clutch (a quick blip of the
throttle as the revs are falling towards zero always prevents it as
well!?!).  Has anybody ever experienced this ?  Hope this explanation isn't
too vague!!!
>
>
> Thanks
>
>
> Ben.
>
>
>
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