94 gmc 4.3 t/b no fuel

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Old 01-20-04, 11:28 AM
reyes45's Avatar
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94 gmc 4.3 t/b no fuel

I had problems with the truck so I changed the fuel pump and filter and now I got no fuel delivery to the throttle body. I checked the fuse and changed the fuel pump relay and still I got no fuel. What else could be the problem? Plaese help. Thanks.
 
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Old 01-20-04, 02:46 PM
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What kind of problem did you have?Did you have fuel pressure prior to replacing the pump?Have you checked fuel pressure now with the new parts?While your at it will it fire on starting fluid or carb cleaner?
 
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Old 01-21-04, 04:23 PM
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At firsr it would pull and tug going down the road. But after I changed the parts it ran good for about 60 miles and all of a sudden it quit from being at idle. Now I get no fuel. It will start with starting fluid. You think maybe I got a difective pump.
 
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Old 01-21-04, 04:58 PM
darrell McCoy
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I know OEM pumps are pricey, but you get better quality. Regardless of expense I use them as I dont like to do the job twice. Did you use a O.E.M. Part? Some of the store brand are not worth the time and effort.
 
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Old 01-21-04, 05:04 PM
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Check for power and ground at the pump connector. If you have both the new pump may be bad or the terminals in the connectors are burned(very light brown)or spread apart slightly causing the pump to not operate.I hope you have gas in the tank.
 
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