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Fuel Pump Relay clicking away 200

posted by  Joyca on  Wed Mar 31 06:20 CST 2004
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Wondering what causes the fuel pump relay to energize and pull in the contacts to power the pumps? I have re-soldered my relay but it intermittently clicks away while driving or idling causing the pumps to turn on and off. This is obviously causing hesitation, bucking and jerking. Any help would be great. I have changed out a bunch of stuff in the last few weeks.

Thanks
Chris

1985. 240. 230k miles. Manual.








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    Fuel Pump Relay clicking away 200

    uid 18083's pic
    posted by  lucid on  Wed Mar 31 08:19 CST 2004
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    last visit: Fri Oct 24 12:31 CST 2014
    [RELATED]

    Could be faulty contact in the harness connector plug itself. I would "un-tab" each terminal to release it, and make sure they are all well-crimped to the wires, especially the Blue/Green ground to the ECU.

    The only fuse inline with the relay coils is the 25 Amp one near the Ign. Coil. It wouldn't hurt to clean or replace it.

    Be good to try another relay too.
    --
    Bruce Young
    '93 940-NA (current) — 240s (one V8) — 140s — 122s — since '63.








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    Fuel Pump Relay clicking away 200

    posted by  scorch on  Wed Mar 31 06:23 CST 2004
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    Try spinning your fuses around to make sure you're getting good contact. If that doesn't help (it probably won't), replace the relay. You could have a wiring problem, but probably it's just a bad relay. Resoldering doesn't always fix them.







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