Jan 20, 2021 at 11:33 AM
(Merged)
high idle?
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When i hook up vacuum line from TBI to PVC valve truck runs at a high idle.
Good morning.
Have you replaced the PCV valve? its job is to remove vapors from the crankcase and send them back into the intake system. if the valve is stuck open it will do this.
Roy
Have you replaced the PCV valve? its job is to remove vapors from the crankcase and send them back into the intake system. if the valve is stuck open it will do this.
Roy
Jan 20, 2021 at 11:33 AM
(Merged)
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