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Fuel pressure drops 140-160 1972

posted by  walrus3 on  Tue Apr 16 09:19 CST 2002
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last visit: Mon Dec 2 14:20 CST 2013
[RELATED]

If it were mine I would take off the pump, disassemble the fluid end
and see if the shaft turns freely and if everything in there is clean.
I really don't think it is the relay but you could hook a voltmeter across
the pump and see.
Could you have a plugging filter?

It might be educational to put an ammeter in series with it to see if it
is drawing a lot more current when the problem occurs, which would
indicate motor overload from friction, gumming, etc.

Your gas hasn't gotten really thick lately, has it??
(sorry, couldn't resist.)

--
George Downs Bartlesville, Oklahoma






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