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1979 930's Avatar
a sunday present!!

I walk in the garage today not wanting to play with my toys.
but hear a humming sound coming from the front of my 1987 carrear
sounds like the fuel pump, but key is off!!
turns out to be fuel pump, key still off.
HELP PLEASE WHY WOULD IT BE RUNNING.
Thanks ed
Old 12-20-2009, 02:39 PM
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Sorry I can't help about this one but may I suggest to disconnect the battery immediately (if you have not done so). Hope others can chime in and help quickly.
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'87 930
Old 12-20-2009, 02:46 PM
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pull the fuse
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Bryan O.
77 930
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Old 12-20-2009, 02:48 PM
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Short or fault in the ignition key, the micro switch at the fuel distributor control arm, or perhaps the infamous yellow relay. That's all I can think of.
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Mark H. 1987 930, GP White, Wevo shifter, Borla exhaust, stock everything else. The result of a massive Pelicanite good will fire recovery effort. Truely an open book, ready for the slippery slopes to modification.
Old 12-20-2009, 04:07 PM
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On my '87 the 2 red fuel pump relays in the front of the car are hot all the time, even with the key off and removed.
My guess is the front fuel pump relay's points are frozen together in the on position. Especially if only the front pump is running.

If it was any of the other relays, switches, or alarm systems causing it then both pumps should be running.
Old 12-20-2009, 06:24 PM
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just the front pump is running. pulled the battery cable till next play day!
damn thing was just sitting in the garage and started running.
where is the yellow relay.
Old 12-20-2009, 08:06 PM
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OFF THE BOOST PIPE NOW...
 
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In the engine bay. Left side by the tail light. Might have to remove the cover off if you have it on.
Old 12-20-2009, 08:22 PM
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fuel pump relay under the drivers seat had water in it at one time!!
all done back on the road,
fishing for the last week
Old 01-27-2010, 09:42 PM
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Holy Mackarel!

Crickey, that's a nice fish.
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1971 chassis, 2.7RS spec MFI engine, suspension mods, lightened

Suspension by Rebel Racing, Serviced by TLG Auto, Brakes by PMB Performance
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Old 01-27-2010, 10:04 PM
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