Hesitation Issuses With 94 Diamante Ls

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Hesitation Issuses With 94 Diamante Ls, car cuts out often

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rrodocker View Member Profile	Oct 2 2008, 02:23 PM Post #1
Newbie Group: Members Posts: 3 Joined: 2-October 08 Member No.: 65,285 Status: Location: usa Drives: 1994 diamante ls	My 1994 diamante ls is cutting out when i am first taking off and when going up hills. This car has 217k on it and i replaced the motor about 12k ago with a 2.5l from japan. Everything was working fine until about 1k ago and now it hesitates all the time. I have checked the plugs and they look ok. I have checked the wires and they appear to be ok, they have about 65k on them. I have tested all three coil packs and they test out on an ohm meter as fine. After changing out each coil pack, i would test drive the car and it would seem to run better for about 5 minutes then it would return back to not running right. Anyone with any ideas please jump in there and lets see if we can fix this thing. thanks.

chain rattle View Member Profile	Oct 2 2008, 10:44 PM Post #2
Magna Buff Group: Moderator Posts: 1,023 Joined: 12-January 06 Member No.: 19,697 Status: Location: brisbane australia Drives: 1989 TN .SE magna wagon /1990 TP magna sedan	do you know if the car has the idle speed controller (ISC) somewhere around the throttle body ..if you find it is faulty replace that unit have a look at this link for more information about the intake http://www.mitsubishi-forums.com/t39636-in...r-induction.htm

rrodocker View Member Profile	Oct 3 2008, 07:39 AM Post #3
Newbie Group: Members Posts: 3 Joined: 2-October 08 Member No.: 65,285 Status: Location: usa Drives: 1994 diamante ls	I will look to see if it has that idle speed controller. thanks and i will be getting back to you either way.

rrodocker View Member Profile	Oct 6 2008, 03:36 PM Post #4
Newbie Group: Members Posts: 3 Joined: 2-October 08 Member No.: 65,285 Status: Location: usa Drives: 1994 diamante ls	ok, from what i can find, this diamante does not have a idle speed controller, it is a factory setting. i could be wrong though, because i do not know what one looks like but that is what a repair manual said. any ideas what else could be causing this ? thanks

Lakespeed View Member Profile	Nov 19 2008, 07:52 PM Post #5
Newbie Group: Members Posts: 8 Joined: 18-February 07 Member No.: 35,738 Status: Location: New Zealand Drives: 1995 Mitsubishi Diamante x25, 83 Ford Fairmont ghia, 97 Holden Commodore	Hey there dude, I have a 95 diamante x25 and had the same exact problems with my car. It was indeed the ISC (stepper) motor that was stuffed. I got a new one and its back to normal now but do beware that you have to get the same ISC motor as there is several different ones for mitsubishi so take in your one if indeed you car has one!! Good luck

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