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Old 03-16-2019   #3
petervankleeck
 
Join Date: Mar 2019
Location: Manassas, VA
Posts: 25
Default Re: Extremely High Idle

Will a vacuum leak fluctuate -- RPM's start high and then fall off; then get stuck higher and not subside? I broke a binder with the vacuum draw into the plenium. I need something tougher. It broke before I could kill the engine. I've had the Plenium off many times, new gaskets, coils, injectors, replaced all the rubber hose connections; some I reinforced with small hose clamps. How do I verify the tach's reading? Vacuum pump does not run; vacuum comes up and it turns off. I don't know. I appreciate the post.
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