Question about 1999 Chevrolet Blazer
Got a 1999 chevy blazer. 4.3 v6 vortex. Once its started it will start fine. But after sitting a few hours it won't start. Its not getting fuel. If I pour gas into throutle body it will start and drive fine . When running it drives fine not slugish or anything. I put a fuel pressure test on valve on fuel rail were it goes to test it. It should read 60 to 66psi. But it read 56psi . And continoued to drop pressure very slowly once done . Since it is low does that mean fuel pump is bad or fuel pressure regolater.How do i test fuel pressure regulator.Not sure fuel pump or fuel pressure regulator. Already checked fuel lines fuel filter all good.
Probably not fuel filter . probably going to have to remove the upper intake and replace the fuel injector spider(fuel inj assebly) if it is droping fuel pressure it is leaking into the upper manifold
Posted on Nov 30, 2008
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Posted on Jan 02, 2017
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