Mechanics

WHY IS MY BACKFIRING AND MISSING?

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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Clayton040584
July 23, 2012.



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

Roy

ASEMaster6371
Jul 23, 2012.