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International Automotive Technicians Network
Re: TBI pulsing with engine off and key on?
Posted to Technical Discussion Forum on 8/11/2015

It would depend on how quickly they're pulsing. If they're pulsing as quick as they would when it was idling, it may be getting an RPM input. If they're pulsing as if in a start mode, it may think the key is being held over to the crank position.

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