Dies Hot then no start

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Dies Hot then no start

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Chevrolet Forums >> Chevy Trucks, Vans & SUV's >> Silverado >> Dies Hot then no start

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Dies Hot then no start - 5/28/2008 7:25:26 PM

dariverrat

Posts: 3
Joined: 5/28/2008
Status: offline

I have a 91 Silverado 350 throtle body with 220,000 mile on it. She dies when hot then takes 30min to start. when trouble shooting when dead has spark and cranks good. Just replaced fuel pump and filter. Getting frustrated. Also replaced the ECM today.... Same thing:( PLEASE HELP ME....... Could it either be the fuel pump relay? or the injectors?

Post #: 1

RE: Dies Hot then no start - 5/29/2008 4:48:56 AM

jmack91z28

Posts: 164
Joined: 2/27/2008
Status: offline

Check the resistance across each injector, pull them out and see if they are firing. Why didn't you replace the relay before replacing the ecm, an ecm is like $300 and a FPR is about $14.

Have you checked for fuel pressure?

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1994 K2500 454 4L80E 14bolt 10.5" w/ 4.10's

(in reply to dariverrat)

Post #: 2