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- - 1990 montero erradic idle (https://mitsubishiforum.com/forum/mitsubishi-montero-montero-sport-14/1990-montero-erradic-idle-7251/)

luv2hunt

Dec 15, 2005 11:41 PM

1990 montero erradic idle

My idle is jumping high then low when sitting. just started after i cleaned throttle body. Thought it may be iac, but that did not help. does anyone have any directions to go...

Winshawn

Dec 19, 2005 04:14 PM

RE: 1990 montero erradic idle

Are you spark plugs old? Try new ones.

off roader

Dec 19, 2005 05:54 PM

RE: 1990 montero erradic idle

Quote:

ORIGINAL: luv2hunt

My idle is jumping high then low when sitting. just started after i cleaned throttle body. Thought it may be iac, but that did not help. does anyone have any directions to go...

What did you do with regards to the IAC? Did you swap in a good one? It could also be the ECU if your throttle body is clean.

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