I have a 4.3 6 cylinder light truck with standard trans it was running fine and boom it just stoped running. Would not crank.

Asked by Brell88 Oct 11, 2018 at 10:21 PM about the 1990 GMC Sierra 1500 C1500 Extended Cab LB

Question type: Maintenance & Repair

1 Answer

It will sit and cool off and crank back up. Pulled the plug wire when it died and turned it over. No spark. I’ve replaced the coil. The fuel relay and the oil pressure sensor. Still runs for 10 20 mind dies no spark

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