| From | Message |
clean90dak
Dodge Dakota
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2/18/2007
20:16:38
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 Subject: wont idle?
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Message:
yes i have a 98 dodge dakota 3.9 auto.the problem is it will not idle after it is shut of after running a while and to start it and keep it running after the first start i have to feather the gas also if i hold the gas with my foot at 1000rpm for about 30seconds it will start to hold itself at idle.starts and idles fine when cold,i have changed the crankshaft position sensor and the idle motor.no codes
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PETE
Dodge Dakota
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2/18/2007
23:31:29
|  RE: wont idle?
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Message:
Check and see if your IAC the spring plunger fell apart or broke my brothers 97 did this my 02 ' yet P inspect and clean mine every tuneup this common problem that occurs with our trucks some get all carboned up and freeze up and wont move also make sure you have a good O ring thats on it
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GB2000
GenIII
2/19/2007
02:48:55
|  RE: wont idle?
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Message:
Could be your battery starting to go bad...? Other than that I'd say the IAC isn't working properly. When you changed the idle motor (I'm assuming the IAC on the back of the throttle body, right?), did you reset the computer? You may need to reset it for it to recognize the new one/new readings.
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cleanblue89
Dodge Dakota
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2/19/2007
17:25:43
| RE: wont idle?
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Message:
yes i replaced it with a brand new one,its seems like it got real bad after i washed the motor.also how do i reset computer?,unhook battery for a few minutes?
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clean90dak
Dodge Dakota
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2/19/2007
17:38:19
| RE: wont idle?
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Message:
sorry,cleanblue89 is me,by the way GB2000 i believe my 98 is a clone to yours,its exactly the same year,setup and color.without mods
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daddio
Dodge Dakota
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2/19/2007
17:44:33
| RE: wont idle?
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Message:
have the battery load tested. a weak battery will cause a funky/no idle when first started.
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clean90dak
Dodge Dakota
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2/19/2007
19:10:42
| RE: wont idle?
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Message:
battery is smaller than stock as the tray is about 4-6inches longer but puts out proper voltage? does it have to have the right size battery?i have a 94 ram that runs fine with a honda civic size battery
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xmr2
Dodge Dakota
JOIN HERE
2/20/2007
14:13:00
| RE: wont idle?
IP: Logged
Message:
Quit worrying about your battery. What you have described is what you get when the IAC fails. Check it out.
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GB2000
GenIII
2/20/2007
15:51:29
| RE: wont idle?
IP: Logged
Message:
Batteries DO cause similar issues that will make people (including me at times) jump right for the IAC.
Yeah, I think the computer needs reset... unhook the negative battery terminal, turn key and hold in 'start' position for about 30 seconds or so. Hook the negative terminal back up. Start the engine and DO NOT touch the gas. If it dies, wait a sec and repeat. If it stays running, let it idle for about a minute or two. Shut it off. Restart it and let it idle for a couple more minutes. Shut if off. Restart it and drive it. See if that fixes your problems.
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daddio
Dodge Dakota
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2/20/2007
17:28:04
| RE: wont idle?
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Message:
besides, checking the battery is free. an IAC isn't. if the batery checks outthen look to the IAC.
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clean90dak
Dodge Dakota
JOIN HERE
2/20/2007
18:09:21
| RE: wont idle?
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Message:
the IAS is the part on the back of the throttle body right? idlemotor/idlesolenoid? i wasnt sure its proper name but i already replaced it with a brand new one along with a new crank position sensor, waisted $100 on parts i didnt need,i guess now i got spares but the IAC is brand new.ill try reseting the computer if that doesnt work i guess ill put it on the charger when it starts to act up and c if it still wont idle. BTW truck is for sale $4400 if anyones interested
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GB2000
GenIII
2/21/2007
01:15:56
| RE: wont idle?
IP: Logged
Message:
Yup...that's it...if you replaced it without resetting the PCM, I think that could very well be your problem. I know when I swapped throttle bodies a while back, I was too lazy to swap all my sensors over so I just swapped all my sensors too and started it up. My truck wouldn't idle AT ALL without me holding my foot on the gas til I reset the PCM...then all was fine.
And I know all about wasting money on parts I don't need...I'm STILL trying to track down my tranny issues and I wasted $70 on a new TPS sensor. Ah well...now I got an already modified spare if I wanna redo my "TPS Mod"...lol
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GB2000
GenIII
2/22/2007
21:26:32
| RE: wont idle?
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Message:
Any updates?
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clean90dak
Dodge Dakota
JOIN HERE
2/23/2007
13:43:32
| RE: wont idle?
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Message:
i will let u know tonight gettin ready to check it out in a few hours.
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clean 90dak
Dodge Dakota
JOIN HERE
2/23/2007
18:55:02
|  RE: wont idle?
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Message:
GB2000 your a life saver i wish i would have talked to u a month ago LOL! but i reset the computer and the truck idles perfect and i notice the emissions smell cleaner now when idleing,thanks again.
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GB2000
GenIII
2/23/2007
22:14:57
| RE: wont idle?
IP: Logged
Message:
lol, no problem...speaking of IAC's, I finally got around to cleaning mine. My truck is finally able to idle properly again. It kept dying when I'd put it into Park.
Of course in the process I also ended up f*cking up my tv cable...new post about that coming shortly...
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