Hi Folks, I'm wondering if anyone can direct me to a troubleshooting list for looking into a fast idle (2000+ rpm) problem on an old 1992 Explorer that is in otherwise top notch working order. Thanks, BCinBC
For free info that's pretty accurate, autozone.com is good.
Can I ask a couple questions? Do you have a Check Engine Light illuminated? Can you hear a vacuum leak anywhere? Does it happen all the time?
There was an oddity about my 1992 Ranger 4.0 that not many people would know about. Every once in a while if it didn't start right up, the compression would make the engine kick back a little. Two times when it did this it blew a vacuum plug off the vacuum tree on the intake. It was very strange, and if I were like most people, I'd have never known what was going on. I actually heard it pop off both times with my then-young ears, and both times I found the vacuum plug lying under the truck.
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