Question about 2000 Chevrolet Silverado

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After replacing fuel pump found out it was my pressure regulato was going out. relplaced it as well and truck worked fine for about a day now shows same symptoms and wondering why my pressure reguk

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Try the fuel filter yet? change it also..some have a backpressure valve in them to avoid vaporlock and these do screw up sometimes dont allow proper flow..

Posted on Jan 22, 2013

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Posted on Jan 02, 2017

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Hi I have a fuel problem the vehicle won't start properly after having sat still for about 3 days


if it starts eventually and runs , it is not a fuel pump problem
it is loosing fuel pressure from
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faulty fuel pressure regulator
check /replace faulty parts
I would have the fuel pressure read and then consider fixing the injectors

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I have a 1999 Chevy Blazer I changed the fuel pump I have to crank on it a long I have to crank on it a long time before it will start. The I don't goes up and down it bogs down an it bogs down and dies....


It could be the fuel pressure regulator, but that can be determined by testing the actual fuel pressure in the fuel feeder rail. But first, have you changed the fuel filter? The fuel filter usually is clogged with debris whenever a fuel pump fails, so be sure to change that first.

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Fuel injector pump not working


If It has fuel injection it can be the fuel pressure valve, that hold the fuel pressure on the reel with the injectors. you can check it bi clamping the fuel return line so it can not flow (to see if the fuel is just going around back to the tank with out making pressure), and se if it can run but it is just to check it out, the valve can be stuck after the fuel filter was full and pass some dirt thru the system. but i don't know this type of car, just passing some ideas

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I have a chevy van g 20 with a 350 engine. It drive fine at time but it will start loosing pressure and it turns off and start chocking. I placed in in the computer and it said it was the fuel pump. I...


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check the hose for fuel pressure regulato if is fuel on the hose replace the fuel pressure regualtor.

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Vehicle dies while driving down the road.


could it be the A/C pump kicking in. might be boging down the motor or electrical circuit, not letting the injectors get enough power. This could happen if the bearings are going bad in th A/C pump or there is a short in it. Just an idea. sounds like you have done the main components.

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