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Start with an error code if any read at your favorite auto parts store. How hot does it get? Possible so hot (cooling system problems) that the block sensor feeding the ECU is telling it there's a problem. A kind of safety system. Double check all cooling system components. Is the Water pump ok, or belt slipping? Battery and electrical system ok?
We have a 2000 GMC 6500 454 engine. Truck will shut off, we turn off the the ignition wait for about 4 or 5 minutes. Doing waiting time, if you turn the ignition part way on, you can't hear the fuel pump, and if you try to start, it will not start . But after the 4 or 5 minutes, when you turn the ignition part way on, you hear the fuel pump, then it will start. It will shut down with a heavy load or even with out any load. It seems to do it more often when it's really hot out. It will shut down as much as 10 times.
sounds like there could be a problem somewhere along the fuel line either between the pump and that engine or between the filter and the engine i have a car that would do the same thing turned out to be the fuel filter was full of **** ran like a dream after i changed that.
Many cars have an electric fan that will run on after the car has stopped. This is because the thermostatic switch is still hot to allow the fan to shut down. Often the thermostatic switch is set into the engine block but the fan only cools the water in the radiator. Only when the engine block has cooled will the fan shut off and this can take some minutes
wait 10 minutes after you shut the car off - then remove the negative side of the battery - wait 30 minutes then reinstall and run the car 30 minutes. If your cooling fluid is full and other cooling systems are in place and working - you should be fine.
The fan on your cooling system is made to continue to run once the engine is shut down if it is running a little [ or a lot] hot. So don't panic if it runs 5 minutes after you shut the car off.