GMC Repair: Engine Stalls, gmc jimmy, mechanical work

Question
My 1997 GMC Jimmy 4.3 L V-6 Stalls for a sec.while driving down the road. Sometimes cut off & then is hard to restart.I,ve changed fuel filter & run fuel injector cleaner thought it. Could a sensor be causing this if so what sensor?  

Answer
There are numerous sensors that can cause this problem. Has the CHECK ENGINE light ever ILLUMINATED on the dash ?.

What mechanical work has been performed on the vehicle recently ?. As most problems that occur after a recent repair was made can be traced back to the area of where the repair was made.


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