ENGINE KEEPS SHUTTING OFF

1990 Volvo 740

Tiny

kreed02

May, 18, 2011 AT 1:27 PM

1990 740 Volvo non-Turbo engine keeps shutting off. If I let sit for 30 minutes or more will start back up. What is causing this?

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5 Answers

Tiny

mmprince4000

May, 18, 2011 AT 1:46 PM

A defective ignition module.

Tiny

kreed02

May, 18, 2011 AT 2:00 PM

Where is the ignition module located? And do you think maybe it could be the fuel pump? Thanks!

Tiny

mmprince4000

May, 18, 2011 AT 2:05 PM

Under left side of dash, above steering column.

Could also be a bad relay.

Tiny

kreed02

May, 18, 2011 AT 2:10 PM

So the first thing I should change in the Iginition Module, then the Relay? Then if problem still exists should I do Fuel Pump? Thanks, Kris

Tiny

mmprince4000

May, 19, 2011 AT 1:46 PM

Check relay first, when ign. It turned on it should click.

NEVER replace a fuel pump unless you confirm low pressure with a mechanical gauge.

The symptoms you dscribe are classic to an ignition module.

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