Quote:
Two things - put an ohm meter across the two pins on the WUR electrical plug. If you get no circuit you have a broken heater wire in the WUR finger. It is supposed to heat and bend against a spring and close up the diaphragm = increased pressure.
Second, get the car running, pull the WUR plug and put a volt meter across the wire rPLUG terminals - you should register 12-13 v.
alan
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Alan,
I tested the WUR with an ohmmeter and the circuit is good.
If I understand things correctly, if the fuel pump is running the circuit to the WUR should be energized. Right?