Fuel Pump Iffy, No purring |
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Fuel Pump Iffy, No purring |
Chip |
Mar 21 2019, 06:07 PM
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#1
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Member Group: Members Posts: 125 Joined: 1-April 17 From: Brigham City, UT Member No.: 20,986 Region Association: Intermountain Region |
First Start :
Fuel pump not working when ignition turned on. Fuel pump works when connected to an independent battery. Wiring to pump is ok. Questions: Shouldn't pump come on with ignition? Shouldn't pump stay on while vehicle running? Could it be s relay? Where is the "Main Relay." Other possibilities..., Thank you. (IMG:style_emoticons/default/wacko.gif) |
porschetub |
Mar 22 2019, 12:32 PM
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#2
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Advanced Member Group: Members Posts: 4,705 Joined: 25-July 15 From: New Zealand Member No.: 18,995 Region Association: None |
Just been thru the B.S.with my car,pretty much same situation,replaced the fuel pump relay and the pump worked for a short time,finally turned out to be the power relay for the F.I.,I should have known better but didn't expect 2 relay failures in a row (IMG:style_emoticons/default/sad.gif) .
These parts are old now and have done many cycles and the contacts inside get burnt and stick at least that what I found when I opened them up. Don't dismiss a bad ignition switch,however you will most likely have other stuff not working when it fails. |
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