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Re: 86 4000S stalling after warm

> > After the motor is good and warmed up the engine will all of the sudden die
> > and won't restart.  After several minutes it will start and then repeat
> > after a few more  minutes.  It seems either like some kind of weird
> > vapor-lock problem or maybe not enough fuel pressure.  I put a new fuel
> > filter on it to no avail.  The fuel pump has always made a big racket even
> > when it did run.  I cleaned out what I could of the fuel distributor, but no
> > luck.
> The nmagic finger points at the control pressure regulator (a.k.a.
> warm-up regulator).

I think it's a US car, no CPR on '86 it's CIS-E with ISV and current
controlled actuator for mixture.

Huw Powell


82 Audi Coupe; 84 4kq; 85 Coupe GT