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Thursday, April 22, 2010

1996 Chevy Express van 1500 8cyl ,v8 ,350 eng. 162,000 miles

will stop after running an hour or two.replaced: 2 fuel pumps,fuel filter,fuel relay,plugs, wires,rotor, distributor, coil,spider, 57 pound of pressure from fuel pump.Continue to cut off after an hour or two.Help.

Response:
1)Have you checked your fuel pressure regulator?
2)vapor lock
3)Check Back pressure on catalytic converter
4) check for Engine codes

Freeautomechanic.com tip : Once the engine has died, check to see what is missing... spark or fuel or both, then concentrate on that circuit to determine the problem. "simplify"

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