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Re: i have a 98 chevy 2500 that wont start but cranks...
You will need to get up there Right above the Throttle Body and hold a Good Maglight or LED Flashlight above the TBI and have Someone Crank it Over. You will see the Spray inside the Bowls if it is Getting to the TBI.
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Turn the key to the on (not run) position and listen tosee if you could hear the fuel pump turn on (prime) for a few seconds. If not, check the fuel pump fuse and if its good, its probably a bad fuel pump.
How did it die? Did it feel like you were out of gas?
No crank to a mechanic means the starter motor doesn't spin the engine over, is this what you mean? Or do you mean the engine cranks over but will not fire up and run? If it is the latter have you added at least 3 gallons of gas to the tank to make sure the electric fuel pump inside the tank can properly prime? If not do that, also you can spray starting fluid into the engine engine air intake pipe after adding the 3 gallons and see if that gets it going. If it still will not start you have burned up the fuel pump and you will need to drop the fuel tank and replace the pump, remember the pump is cooled and lubricated by the gasoline it runs in, so when you run low on fuel or out you can very quickly severely damage the small electric fuel pump. Never let the gas gauge level go below 1/8 tank to prevent premature fuel pump failure.
It's possible that you have an air bubble in the fuel line. This blocks fuel from reaching the engine. To clear it, you will have to bleed the line at the fuel filter.
The other possibility is that the fuel pump is not working. Turn the ignition key to the on position. You should be able to hear the fuel pump humming. If not, check the fuel pump fuse, in the fusebox under the hood. If the fuse is ok, you will need to trouble-shoot the pump.
You might want to have your fuel filter replaced. When you run a tank that low, the fuel pickup takes in debris and sediment on the bottom of the tank, which may be clogging the filter, preventing gas from flowing.