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#1
04-28-2006, 07:05 PM
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idoling
My 95 atx Sl dosnt seem to want to idol correctly. Every now in thin after I drive it for a while (10 min) it stops idoling and dies, sometimes it seems to idle around 1k RPM other times it may be 1.5k RPM or even 500RPM. Any ideas what the problem is?
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#2
04-28-2006, 08:08 PM
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Re: idoling
Alternator?
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Black 1997 3000GT  Quote:
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#3
04-28-2006, 09:10 PM
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Re: idoling
check to see if ur mass air flow sensor in plugged in. if its not it causes rough idle an can cause the car to die after a few minutes of operation. i dont think it would be the altenator unless ur votage is going up an down. but i would also check to see if there are any loose vacuum hoses.
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#4
04-28-2006, 09:40 PM
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Re: idoling
gotta be some sensor, man. MAS, TPS, somethin'.
btw, its "idle" |
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#5
04-28-2006, 09:42 PM
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Re: idoling
I don't think it would be the MAF, mainly because he says that he can still drive the car. You would notice IMMEDIATELY if your MAF wasn't plugged in because the car would be jerking and your idle would be all over the place.
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Black 1997 3000GT Quote:
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#6
04-28-2006, 09:49 PM
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Re: idoling
on second thought, a bad TPS shouldnt make it stall, so scratch that.
Quote:
I would say double check the MAS. If its plugged in, use an ohmmeter to make sure its not broken. They are pretty delicate. |
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#7
04-28-2006, 09:58 PM
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Re: idoling
Hmm thats weird. When mine came unplugged(I was blocking off the resonator) I tried to start it, and immetiately it turned over and stalled. I tried again, giving it more gas as I started it up, and it still stalled. O.o
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Black 1997 3000GT Quote:
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#8
04-28-2006, 10:03 PM
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Re: idoling
i dunno man. could just be differences in the ECUs? or possibley just n/a vs turbo?
either way, wouldnt hurt to check it out. |
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#9
04-29-2006, 01:03 AM
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Re: idoling
unplugged MAS should cause it to stall. If it didn't for you, then your idle is probably set too high.
As far as teh original problem, you are going to have to be more specific then that. Does the idle fluctuation, regardless of temperature? What does it idle at when cold; what about when warm? What's the mileage? What has been serviced recently?
__________________
96 3000gt vr4 -K&N FIPK -Proboost mbc -Cusco front + rear strut bars -Greddy type-s -ATR downpipe -no cats -15Gs, 3sx aluminum pulley, FMIC, SAFC, walboro pump, EVO 560ccs, and Meth Injection Kit all waiting to go in shortly. Your 1996 Mitsubishi 3000GT VR-4 is the 92nd out of the 315 that were made that year. Only 21 of which are exactly identical. |
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#10
04-29-2006, 01:40 AM
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Re: idoling
It does this no matter the temperature. When It wants to die i just have to have my foot on the peddle a little bit to stop it from going dead. Its has 98k miles on it and i'm not shure how long since a check up. it hasnt been that long tho. I did have a drunk driver hit me a couple of weeks ago. It didnt do major damage just messed up the passenger side finder. That could have set something lose? Also every since then every now and then i hear a weard sound coming from the back of my car. I kinda sounds like something is dragging but nothing is, and its only when i accelerate, once i let of the gas the sounds stops. It dosnt happen much. Any ideas on that and the ideling problem would be great.
Thanks Gavin |
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#11
04-29-2006, 01:50 AM
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Re: idoling
Idling, I'd check the IAC, as mentioned above
The dragging sound, could be wheel bearings.?.or bent suspension components.
__________________
96 3000gt vr4 -K&N FIPK -Proboost mbc -Cusco front + rear strut bars -Greddy type-s -ATR downpipe -no cats -15Gs, 3sx aluminum pulley, FMIC, SAFC, walboro pump, EVO 560ccs, and Meth Injection Kit all waiting to go in shortly. Your 1996 Mitsubishi 3000GT VR-4 is the 92nd out of the 315 that were made that year. Only 21 of which are exactly identical. |
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#12
04-29-2006, 01:01 PM
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Re: idoling
IAC is a possibility, you can try cleaning it up with some brake parts cleaner on non-electrical components of the IAC, and see if that helps. Here's a link that can help you http://www.stealth316.com/2-isc-iac.htm
also, i would check for some vacuum leaks, that could do it as well.
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Daily Driver: 2004 Jeep Grand Cherokee Special Edition 1994 Mitsubishi 3000GT SL-TT Automatic - Black 3.05 L Arias Forged Pistons, Pauter Forged Rods, DR Stage 3 heads, 3SX TD05 kit w/ E16G's, CX Racing FMIC, 550cc injectors, Walbro 255lph pump, + supporting mods 1994 Mitsubishi 3000GT VR-4 - Black Intake & Boost Controller so far 2006 Sea-Doo RXP Supercharged, Updraded SC, IC + supporting mods |
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#13
04-29-2006, 07:33 PM
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Re: idoling
I'd start with the IAC too.
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1997 Mitsubishi 3000GT VR4 - 269AWHP/290AWTQ (Mustang Dyno) - [email protected] - 1.756 60ft. - [email protected] (Best TDO4-9B Time) - Driver Mod - IPS TD04-19TL - SPEC 4+ - Wiseco Pistons - 3SX Custom Forged Rods - PMP FMIC + Much More. 
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#14
04-10-2008, 08:49 PM
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Re: idoling
Did you ever find out what was the problem with your idoling fluctuation, cause my 1990 Ford Capri is doing the exact same thing and three mechanics have not been able to find out why. I have had the vacuum hose checked. I have no idea about cars so if someone could explain what an IAC is please then I will have that checked. On start up the Capri idols perfectly on 1000 RPMs and then after about 10 minutes it idols at traffic lights below 500 RPM and then dies if I don't put my foot on the excelerator. It is a manual car so I can juggle the excelerator and clutch, but I would prefer not to. Any answers please?
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