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89 suburban 350 tbi cranks, fires, runs poorly then dies.
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06-16-2017, 06:00 PM
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chevy3100truck
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Join Date: Nov 2016
Location: Mission BC
Posts: 117
Re: 89 suburban 350 tbi cranks, fires, runs poorly then dies.
Have you checked the coolant temperature sensor? Unplug it and see if it runs better, if so, that's your problem. I had the same issue with a 1990TBI Jimmy. About a $15 part
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