My van will only stay started for about 2 seconds the fuel pump is good etc.
One thing to check into would be the antitheft system. Not knowing what year or type of vehicle makes it hard to help. But like i said, engine shut down in 5 seconds or less is a symptom of a bad antitheft security system. This link explains.
http://vatspasslockpasskeysecurityhelp.yolasite.com/
SOURCE: 2000 Chevy express van no fuel to engine - pump is good
If you dont have proper fuel pressure it wont start,and check for injector pulse.
SOURCE: start engine can hear pump run once it shuts off engine dies
Faulty pressure regulator mabey or plugged fuel filter. Do you have constant power to relay and pump?
SOURCE: 1979 chevy step van 350 new fuel pump rebuilt carburetor wont sta
remove the fuel line from the carb, put it into a bottle, crank the engine, If the bottle has fuel in it the fuel pump is working properly, if not, check the filter, and the fuel lines to the tank!!!
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