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Non Buick question

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Vector

New Member
Joined
Apr 30, 2003
Messages
1,428
1992 Chevy K 1500 pick up;
350 engine with throttle body fuel injection.
What should my fuel pressure be?

It has a brand new fuel filter on it. When I try to start it the truck will not pop or even try to catch. After spraying starting fluid in the throttle body it will start and run very roughly for the duration of the starting fluid.
 
I dont remember exactly, but it is something pretty low like 12 or 14.
 
Vector:your memory is correct, 12-14 PSI. If it's like an Astro's fuel pump it's probably weak. If it's making abnormal noise, replace it now while you still can pump the gas outa the tank. If the pump fails with 1/2 tank, it sucks. Also, check the relay because if the relay goes it will run through the oil pressure safety switch for a while, then it'll stop because of over currenting.
 
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