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Re: cut off and stalling
First thing you will need to know is if the truck is loosing fuel or spark.
Fuel systems on those trucks are known for giving some problems...check the fuel pressure..needs to be about 60 psi.
Also while the engine is running, wiggle the wires to the coil...sometimes they will break inside the insulation and cause intermittant stalling concerns.
There were some trucks with intermittant ignition switches causing problems also.
The most important thing is to perform a little diagnosis before you spend any money on a part that may or may not fix your problem.
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