idling problem on a 1g

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idling problem on a 1g

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Mitsubishi Forums >> Mitsubishi Models >> Mitsubishi Eclipse & Eclipse Spyder >> 1st Generation >> idling problem on a 1g

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idling problem on a 1g - 12/23/2005 12:25:06 AM

Reddragon06

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my 91 gs has an idling problem it jumps up and down from 2 to 1500 rpms. and ive replaced it with 3 different sensors so what else could make it do this.

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RE: idling problem on a 1g - 12/23/2005 12:29:33 AM

1997gsteclipse

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check for vacuum leaks that would be a real good start to finding the problem. Maybe even plugs and wires.

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RE: idling problem on a 1g - 12/23/2005 12:41:20 AM

Reddragon06

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vacuum test on what, i was going to change the spark plugs but ran out of money... lol

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RE: idling problem on a 1g - 12/23/2005 1:05:05 AM

Joel_CA

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It could just be that your adjustments are off or that you are adjusting it incorrectly. Remember, there's a CTP switch that needs to be adjusted BEFORE adjusting the TPS. From there you can adjust your idle base settings.

Joel, CA

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RE: idling problem on a 1g - 12/23/2005 7:52:21 AM

1990GSX

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also check your altanator belt, mine slips when it's loose and runs bad.

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RE: idling problem on a 1g - 12/23/2005 10:22:56 AM

georgegsx

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do u have an aftermarket bov?

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RE: idling problem on a 1g - 12/23/2005 10:24:21 AM

georgegsx

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my bad ist a gs nevermind

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RE: idling problem on a 1g - 12/23/2005 11:04:42 AM

Sanguinius

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Does it run rough or does it sound like it's hunting? (Like someone is revving the engine up and down)

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RE: idling problem on a 1g - 12/23/2005 11:10:44 AM

DSMTalonAWD51

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you have idle surge. tell us what youve tried to replace to far. Possibilities are a bad isc motor, idle adjustment is off, bad egr, dirty tb, missing/bad vacuume line. no matter what it is, it will be located around the tb

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RE: idling problem on a 1g - 12/23/2005 11:30:24 AM

Sanguinius

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ISC? I'm guessing you mean IAC motor? That was what I was thinking it is...

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