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NH idling way too high

Tech Talk for Mitsubishi owners.

Moderator: -Scott-

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Posts: 10
Joined: Sat Nov 26, 2005 11:18 pm

NH idling way too high

Post by gleno »

Hi my 93 NH is idling at around 2000 rpm and purges a bit any ideas on what might cause this would be appreciated
Posts: 14209
Joined: Sun Jan 11, 2004 11:36 am
Location: Adelaide

Post by -Scott- »

I'm guessing it "surges" a bit? I was having trouble with erratic idle speed (high, surging, stalling when at lights) which was cured by a good clean of the idle control valve, which goes by a few names - try searching for "idle" and "stepper motor".
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Joined: Sun May 04, 2008 8:17 pm
Location: melton

Post by gp339gm339 »

Most likle cause is the IDC motor.,

Pull it off and gve it a clean with carby cleaner, otherwise replace
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