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99 gmc 2500 2wd

gavinw90
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gavinw90 New Member

gavinw90

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I just bought a 99 gmc 2500 2wd 5.7. It had water in the fuel when i bought but i have taken the tank off and cleaned the system thoroughly bought new spark plugs and wire and fuel filter I've run two tanks of premium and a can of sea foam in each. in spite of all that the engine is still missing and blowing white smoke. Today i checked the fuel pressure and it is steady at 50 psi. also before i bought the truck it had been sitting up for around a year. not really sure what to do next. thanks

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