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i have a 1996 chevy s10 blazer 4.3 vortec, its not starting under its own if u use starting fluid or gas in throttle body it will start and run just fine, i have change the fuel filter on it, and you can hear the fuel pump priming the system but all it dose it crank, i don’t know what to look at next
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It may require more fuel pressure to start than to run, and the pump or regulator may be on the way out. A good next step is to get a fuel pressure gauge and check cranking pressure against specs.
That would have been good information to start with. 2-year-old gas is not reliable fuel. I would pump/drain out all of that and put in fresh gas.
If it hasn’t already been done upgrade from the CSFI spider to the later style MPFI one. The instructions on how to do so are readily available online.
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well i went and got a fuel pump for the truck and it ran fine for about 2 days and then it just wont start now, i cant hear the fuel pump running now, could it be a fuel pump relay
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