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Should fuel pump run with switch in 'on' position before cranking? 700 1988

posted by  Erwin on  Mon Jan 12 04:35 CST 2004
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last visit: Thu Oct 23 10:39 CST 2014
[RELATED]

I don't hear my fuel pump(s) running when before the engine starts and the key is in the on position. Shouldn't they run, build up pressure, then shut off till the engine starts?

After I start the engine I can reach under the car and feel the fuel line surging with the pump.

I've wondered if this is why mine starts sluggishly. It cranks for a moment then casually builds up rpm over a couple of seconds till it's idling regularly.

My Volvo 850, Nissan, Ford, Dodge and any other FI car I've had runs the pump first, cranks a few turns then instantly starts and runs at idle.

Thanks,
--
Erwin in Memphis, '88 745t 193,000 miles, '95 855t 96,000 miles






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