I have a 1991 chev 20 van. It starts great and runs great when it runs. from time to time it starts but runs about 3 sec. and dies. it seam like it is not getting gas. I do this four or five times and then it starts and runs for days with no problems. I have changed the plugs, air filter, gas line filter and cleaned the carb. I think it is fixed and low and behold it does it again. I installed a new fuel pump last year. You can hear the fuel pump running with your ear to the gas tank. What should i check next. thanking you in advance for your help
Optional Information: 1991 Chevrolet 20 van 350
Already Tried: fuel pump, fuel line filter, new plugs, carb cleaner.
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