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GMC van issues
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06-25-2019, 06:45 PM
Opalsasquatch
Join Date: Aug 2012
Location: Northeast of Edmonton
Posts: 427
Check wiring harnesses.
If it’s dropping to 9 volts while driving, the computer is losing voltage and the injectors won’t fire.
That’s where I’d start unless your cluster was wonky before this started
Opalsasquatch
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