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-   -   92 chevy wont start (https://chevroletforum.com/forum/silverado-fullsize-pick-ups-21/92-chevy-wont-start-32957/)

Hogfan May 17th, 2010 3:43 PM

92 chevy wont start
 
I have a 92 chevy Z71 full size pickup. Has 350 and the truck will not start, no fuel at the throttlebody. I can hear the fuel pump run when I turn the key over for a couple seconds. When its primed it just runs until the fuel burns then dies again. Thanks for any help..

maxxman04 May 17th, 2010 5:44 PM

clogged fuel filter, blown injector fuse.

Hogfan May 17th, 2010 6:46 PM

fuel pump relay is good. injector fuse..where is the injector fuse on this truck with a throttlebody?? Thanks

maxxman04 May 17th, 2010 9:37 PM

relay good, but how is the filter? fuse is in fuse panel, should be marked "INJ" if i remember right.

Hogfan May 18th, 2010 7:03 AM


Originally Posted by maxxman04 (Post 144667)
relay good, but how is the filter? fuse is in fuse panel, should be marked "INJ" if i remember right.

filter is good, removed it and had gas run out of both lines going to tank and to engine..and gas looked very good.

Hogfan May 18th, 2010 8:18 PM

ok, i was listening again when i turn the key over today and i hear the relay click under the hood and here a click at the tank but no buzzing sound for a couple seconds....think I have a bad fuel pump after all

cooter26 May 19th, 2010 9:59 AM

Rent a Fuel pressure gauge and test it at the fuel rail. Your truck will not shoot fuel through the TBI if you dont have spark so check that first.

Hogfan May 20th, 2010 7:00 AM


Originally Posted by cooter26 (Post 144808)
Rent a Fuel pressure gauge and test it at the fuel rail. Your truck will not shoot fuel through the TBI if you dont have spark so check that first.

when its primed with gas it will run for a few seconds, so would that not tell me that I have spark??

maxxman04 May 20th, 2010 7:08 AM

yes, there is spark. does sound like pump is shot. not hard to replace. make sure you get a new wiring kit when you buy pump. parts stores should have these in stock. the old wires tend to burn/melt just a little. splice new wires in place of old, good to go.

Hogfan May 20th, 2010 12:18 PM


Originally Posted by maxxman04 (Post 144934)
yes, there is spark. does sound like pump is shot. not hard to replace. make sure you get a new wiring kit when you buy pump. parts stores should have these in stock. the old wires tend to burn/melt just a little. splice new wires in place of old, good to go.

thanks, I will get the wiring kit


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