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High idle

Tiny
DJFIRE0101
  • MEMBER
  • FORD RANGER
My 1994 Ford Ranger, 2.3L 5spd man 4X4 85,000 miles will idle high, 5000 - 6000 rpms, at times while driving, coasting and while not moving at all. I tried pulling up on the gas pedal when this happens, reving the engine and neither helps.
Monday, October 30th, 2006 AT 7:02 PM

2 Replies

Tiny
TE1976
  • MEMBER
  • 6 POSTS
Locate Idle air control valve and peck on it during erratic idle. If it idles down replace and also perform or have someone perform a fuel system service to remove carbon deposits.
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Monday, October 30th, 2006 AT 7:58 PM
Tiny
BRUCE HUNT
  • MECHANIC
  • 3,754 POSTS
Air in the cooling system can cause a surging of the engine. Check the intake manifold or manifold gasket for a leak that adds extra air to the system and confuses the computer.
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Monday, October 30th, 2006 AT 9:25 PM

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