URQ fuel pressure numbers
isham-research.freeserve.co.uk at pop.pol.net.uk
isham-research.freeserve.co.uk at pop.pol.net.uk
Sat Oct 28 13:12:27 EDT 2000
> The frequency valve will not stabilize. Two degrees either way on the 3mm
> allen screw sends it to 63.1 or 4.8. If I dial it into 49.1 it will stay
> there until driven and then migrate to one end or the other. The crackle on
> decel at the exhaust either gets worse or goes away, indicating mixture
> problem??
My guess is that the top O-ring in the metering head is shot. A new
or reconditioned metering head would then be the answer. Not cheap,
so see if you can borrow one from someone to check it out.
--
Phil Payne
http://www.isham-research.freeserve.co.uk/quattro
Phone +44 7785 302803 Fax: +44 7785 309674
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