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So how do we clean it.


I was aware of the CNC but wanted to make sure the six dollar fix wanst a $60-$420 mistake. Is this what Ironman was talkinf about?


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Lloyd,
How high was your cold idle speed? My truck has a cold idle speed of about 1,800 rpm. It's a smooth progression over a time period of 1-2 minutes (depending on ambient air temp)down to warm idle speed of 700 +/- rpm. Replaced the ISC and that did not change anything.
Thanks,
Jim
'89 two door v6 auto


That is exactly what mine does. I dont like it either.
I am not going to mess with the ISC until I find a replacement, and have it in my hand... again, better safe than sorry.

1989 5 door montero 3.0 auto
stock original Japanese
about 200k miles