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1967GTO · 09-27-2020, 10:39 PM

Sounds like the timing is off. There is a connector that needs to be disconnected to put the computer in set timing mode when the distributor adjusted.

09-27-2020, 10:39 PM	#2
1967GTO Registered User Join Date: Nov 2017 Location: Riverside, Utah Posts: 28	Re: Need help with 91 tbi suburban Sounds like the timing is off. There is a connector that needs to be disconnected to put the computer in set timing mode when the distributor adjusted.