Re: CIS mixture adjustment keeps getting lost. Why?

[quk@isham-research.demon.co.uk (Phil Payne)]

In message <199812181409.JAA25178@hme0.mailrouter02.sprint.ca> sbigelow@sprint.ca writes:

> > One of the failure modes of the control pressure regulator.  Get a fuel
> > injection shop to attach a pressure guage.
>
> Sounds more likely than the warm-up regulater previously suggested, since
> it is rich on stone cold starts, as well as warm running.

Two names for the same beast.  Wakes up cold delivering ca. 15psi,
and raises to 50psi when warm.  Failed ones (like the one I have in
my hand from the Passat outside) sometimes deliver zero at all times.

No pressure on top of the plunger - less resistance to plate movement -
rich mixture.

--
 Phil Payne
 Phone: 0385 302803   Fax: 01536 723021
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