Car idles high 2500 rpm | Ford Explorer Forums - Serious Explorations

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Car idles high 2500 rpm

Douglas53

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Joined
April 1, 2020
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City, State
Rosarito, BC
Year, Model & Trim Level
1994 Ford explorer
I have checked vacuum hoses I have cleaned the PCV valve I cannot figure out why my Explorer is idling so high but I have noticed that the muffler and catalytic converter rattle when the car is in neutral
 






Welcome to the forum!
One other thing to check is the air intake tube, it runs from the air filter box to the engine. They tend to crack and fall apart on the underside, at the accordion pleats. You can’t see the holes or cracks until you remove the tube and flip it over.
My tube looked fine from the top, and I was shocked to see how bad the holes were underneath.
 






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