Why is my truck backfiring and missing?

Tiny
CLAYTON040584
  • 1995 CHEVROLET TRUCK

I have a 1995 Chevy truck with a 5.7L throttle body. I am having issues with it; I start it and it runs fine I even drive it and it drives fine, but only for the first 5 miles. After that it starts sputtering and backfiring. I have put in new fuel pump, new coil, I thought of doing the rotor button and distributor but I feel as though if those were the issue I would have the issues right from the beginning of starting my truck. Please help me. Thanks

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Monday, July 23rd, 2012 AT 10:47 PM

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Tiny
ASEMASTER6371
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  • 25,554 POSTS

I would monitor the fuel pressure cold and hot. Start there

Roy

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Monday, July 23rd, 2012 AT 11:15 PM

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