2002 GMC Sierra 1500HD SLE - Intermittent Stall Issue

Asked by Jun 29, 2018 at 12:35 PM about the 2002 GMC Sierra 1500

Question type: Maintenance & Repair

I've had ongoing trouble with this '02 Sierra 1500HD.  It starts and runs
strong most of the time, but once in a while it will suddenly stall while in
motion.  It has happened about 6 or 7 times over a few hours worth of
driving.  It will sometimes be accompanied by power locks cycling and/or a
ding from the dash, and/or the digital gear indicator displaying 2nd gear
regardless of shifter position (it is not the dial type indicator).  It will crank but
not start, usually for just a few minutes, then start up strong as if nothing
happened.  Removing key and reinserting does not seem to have an effect.  
I am led to believe this is a computer issue because of the odd dash
behavior, but I don't want to repair or replace without being confident.  Could
a reset also help?  Other possible causes?

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