Fuel problem

20

Asked by Jan 18, 2016 at 01:27 AM about the 1999 Chevrolet Silverado 1500 3 Dr LT Extended Cab LB

Question type: Maintenance & Repair

I'm having fuel problems with a Chevy pickup
it's a 97 with a Vortec 5.7 and I've changed the
fuel pump 3 times you got the fuel lineschange
the fuel filter full day intake and clean
injectorsand my fuel pressure still barely
reaches 30 got the right voltage going to the
backI'm about ready to have a bonfire

4 Answers

20

Dang fone thats not what i said.I blew out the fuel lines with air and clean the injectorsnew fuel filter

20

I think my phones going in a bonfire -too

107,285

Ok here are a few things to check, the connector at the fuel pump are known failures, look for a burn mark inside the connector or just replace it, next make sure the fuel pump ground is good both at the connector and the frame mount, then see what you pressure is, if it is still low then do a deadhead pressure test, it should be really close to 66 lbs, if it isn't then something is wrong with the pump or it is the wrong pump. Make sure they gave you one for the Vortec engine.

20,355

Fuel pressure regulator

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