924Board.org

erty13 · Joined: 23 May 2005 Posts: 3 Location: Paisley Scotland

just purchased a 1981 924, and when i turn the key on the ignition the fuel pump comes on and stays on. Is this normal.

A friend said that this can burn them out.

John

Ozzie · Posted: Sun May 29, 2005 8:43 am Post subject:

No- not normal.
I think the fuel pump relay has been bypassed or an electrical fault.
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Porsche 924 1984 (UK import) NA
Its AUTO and its BLACK
Montego Black on black/red
Engineer of Electro/Mechanical Systems Maintenance

Gram · Posted: Sun May 29, 2005 9:37 am Post subject:

Yes, mine only runs from cranking on. And IMO it won't burn out if you have sufficient fuel in the tank..it's lubed and therefore cooled by the petrol.
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'82 924 NA Euro (hers)
'98 Audi A4 TDI (ours)

Paul · Posted: Sun May 29, 2005 10:13 am Post subject:

None of our cars would have the dreaded hot restart problem if the fuel pump ran whenever the ignition was on!

The only downside of leaving this way is FIRE!!!!!

The stock setup shuts down the pump anytime it discovers the motor is not running. This is important following an accident or a sudden fuel line failure.