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High Idle driving me mad!

Tech Talk for Mitsubishi owners.

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Posts: 3
Joined: Mon Mar 15, 2010 10:01 pm
Location: Hunter

High Idle driving me mad!

Post by GreenHorn »

My 1990 Pajero is at a constant 2500-3000 rpm. what should i be checking?
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Joined: Tue Jan 15, 2008 1:33 pm
Location: Cooma NSW

Re: High Idle driving me mad!

Post by date »

For starters, I would check that there is some slack in the throttle cable. Then, I would check that there is nothing jamming the main throttle butterfly valve open. If all these are OK, I would check for air leaks in the many hoses tapping off the inlet manifold.
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Joined: Wed Apr 15, 2009 9:13 pm
Location: australia

Re: High Idle driving me mad!

Post by paj302 »

What motor have you got?? I had a similiar issue on my 91 NH 3.0 V6 Auto i had. Wouldn't go under 2500rpm on idle too, found problem to be idle control valve, got second hand replacement from wreckers, fixed issue and stopped doing it..
90 LWB PAJERO 3.0 V6 Manual -35" Muddys 3" Body Lift 2" Suspension Lift custom bars front and rear. Custom side rails
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