High idle problem.
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New User
Joined: Dec 2006
Posts: 1
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High idle problem.
I have a 1994 Ford ranger 4.0L 4x4. When I first start up my truck it idles fine, but once it sits for a minute or so, it starts idling high. Once in drive the Idle is still high and I can do 30mph without touching the gas. Any helpwould be appriciated.
Senior User
Joined: Dec 2005
Posts: 253
Likes: 0
From: Beaver, Pennsylvania
Could be a vacuum leak! Check all your connections at the upper intake & If it has cruise control, check the vacuum hose to the actuator. Also check the vacuum line to the PCV valve, it is hard to see but check for a crack in the hose.
