2004 Silverado 5.3 runs fine when idle an runs good up to about 25mph

Asked by Brad Jan 31, 2016 at 08:59 PM about the 2004 Chevrolet Silverado 1500

Question type: Maintenance & Repair

the truck runs fine at idle when I accelerate to about 25mph it spits an sputters when I accelerate more it gets worse

7 Answers

Brad answered 8 years ago

just bought this truck as far as tuneup the truck runs smooth it only start running bad around 25mph an will not accelerate when I try too

Mark helpful

Brad answered 8 years ago

I am with you about changing fuel filter but just would like to know for sure that's it before I spend $500 an that not be the problem

Mark helpful

Brad answered 8 years ago

well I guess you are telling me to take it to a shop.if I have to buy all these tools I will have more money involved ,I will try something new Thanks

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Brad answered 8 years ago

TOOK IT AN HAD SCAN DONE JUST SHOWED ABS SENSOR WAS BAD,NO OTHER CODE CAME UP,

Mark helpful
50

Rezlon answered 6 years ago

mine was doing same thing changed mass air flow and fuel pressure regulator still doing same starts but must crank 6 to 10 seconds, now im going to change canister purge valve pcv valve and remove and clean the electronic throttle body and gasket.

Mark helpful

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