I HAVE A 2000 GMC 1500 WITH THE 5

2000 GMC Sierra

Tiny

Anonymous

December, 4, 2012 AT 6:06 AM

I have a 2000 GMC 1500 with the 5.3 4x4. When its warmed up, it doesnt like to start till I pump the gas a couple times, also will die when idling. I get code P0300 I have new spark plugs and ignition wires and new fuel pump and filter. I can hear all the injectors opening and closing. I get a little white smoke out of one of my pipes. I have dual exhaust.

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1 Answer

Tiny

hmac300

December, 4, 2012 AT 3:04 PM

Check compression and scan for codes, fuel pressure shold be 60-66psi if lower than that it can cause your problem. Was it the righ tpump for vehicle.

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