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Q: What else in the fuel line could prevent my vehicle from starting ? on 2002 Chevrolet Express 3500

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I recently replaced the fuel pump when the vehicle died. About a month later the vehicle died again the way it did when I had to replace the fuel pump. It seems like there is pressure in the line at the fuel filter. Is there somewhere between the filter and carburetor that could become blocked or clogged in normal use? How do I check it?
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Your truck has fuel injection not an older carburetor.Two fuel pumps should not have failed in short succession unless there is dirt in the tank, it was a poor quality replacement pump or water is getting into the tank. If the fuel was getting contaminated I would expect the rest of the fuel system would suffer as well. Did you test the "failed" fuel pumps to see they actually had failed?. There are 4 engine options for your truck. We would need more details to help. There is a company that independent auto repair shops get their information from, this same information is available inexpensively for people that work on their own cars.. The information is year make and model specific, covering repair procedures, torque specifications, fluid capacities and specifications, service bulletins, component locations, wiring diagrams ect.... Alldata is very easy to navigate http://bit.ly/AllData_Repair_Manuals_Online
there's a good chance it was poor quality pump. i changed filter,no dirt. checked tank, no water or dirt. Is there some type of bypass valve(since the pump is always on) that could go bad and cause a blockage?
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