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Old 03-18-2024, 05:53 PM   #4
Dead Parrot
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Join Date: Aug 2012
Location: Oklahoma City, OK
Posts: 2,516
Re: Help...86 GMC intermittently dies

Could be an ignition switch about to die. Operating it after it dies makes a new connection spot until the next time.

Check the suction fuel hose(s) from the tank(s) to frame. If they are original, they are probably going to pieces and letting air into the system. I know from experience that can create intermittent running problems.
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