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Dale
Dodge Dakota
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2/05/2003
15:18:29
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 Subject: Rough Idle
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Message:
Just recently (past week) my idle has started to get rough (bounces 75rpm, use to be dead steady). Now last summer/fall is when I did all my mods to it so I'm hoping thats not it. Now within past week the air temp has gotten warm, then turned cold again quickly. Before I tear into this beast this weekend in what will be 35-40 weather, any little tips/thoughts you guys have??
1997 CCS 3.9l Auto
I'm thinking my plugs, wires, cap/rotor should all last longer then 6-9 months on this truck right??
Did oil change about 2 weeks ago?? 10w30
Then these mods last summer/fall......
1. 48mm Throttle Body, Removed Horns
2. Dynomax 17748 w/Dump And new Cat.
3. S Hook Throttle Body Hat Hold Down
4. Asp Crank Pully
5. Brass Cap N Rotor
6. TB Spacer a.k.a. TB Whistler
7. Home Made Cold Air Intake
8. Relocated IAT
9. 180* Thermosat
10. 3923 Sparkplugs (stock gap)
11. Removed Grill Flap
BTW, also this weekend I will be sending off my last truck payment, WOOHOO!!!!!!!!!!
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DakotaDan
*GenIII*
 
2/05/2003
15:25:26
|  RE: Rough Idle
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Message:
What Accessories are running when it does this, if you have the defroster on the AC compressor will cycle on and off this could cause it to rise and fall
Dan
Next Time You Think You're Perfect
~~~~~Try Walking On Water~~~~~
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Dale
Dodge Dakota
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2/05/2003
16:50:21
|  RE: Rough Idle
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Message:
Um, I belive its before I turn anything on but the lights.
Will check that out in morning again.
Am I correct that the plugs, wires, distrib should all last long then 6-9 months??
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Kracker
Dodge Dakota
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2/05/2003
17:24:30
| RE: Rough Idle
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Message:
Ya, those should definently last longer than that... Before you tear into it, Pick up some fuel injector cleaner, Most times thats what the problem is...
---Kracker
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DakotaDan
*GenIII*
2/05/2003
17:27:03
| RE: Rough Idle
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Message:
"Am I correct that the plugs, wires, distrib should all last long then 6-9 months??"
Or at least 20-30K miles............
Dan
Next Time You Think You're Perfect
~~~~~Try Walking On Water~~~~~
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Dale
Dodge Dakota
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2/06/2003
08:21:33
| RE: Rough Idle
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Message:
Well, it does it w/o any accessorys on. I tested it on way home last night. Also this morning while scraping the snow off the truck. :mad:
However, I dont feel it has lack of power as it left a nice black mark on road last night it traffic.
So clean my IAC, check plugs, wires, pvc. What else??
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Todd W
GenIII
2/06/2003
09:12:21
|  RE: Rough Idle
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Message:
It could possibly be condensation leading to a small amount of water in the gas... or it could be just because it's cold and the computer is fiddling with the mixture. Someone suggested fuel injector cleaner, and thats a good start, you may also want to try some dry gas in it. :)
I learned to drive from James Bond and playing Grand Theft Auto
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Dale
Dodge Dakota
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2/06/2003
09:55:06
| RE: Rough Idle
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Message:
Ok, well I wanted to go to FMS injectors, so I will do that rather then injector cleaner.
Will put some dry gas in it, and check/clean IAC.
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99Problems
Dodge Dakota
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2/18/2010
09:30:15
| RE: Rough Idle
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Message:
I have a 1999 Dakota V6, and its idling rough. Now when I start it in the morning its, ice cold out because of the winter temps,but it doesnt idle rough until its actually warmed up. I say that because Ive sat in it as soon as i turn it on in early a.m. and it doesnt idle rough at all until like I said it warms up for about 10 mins. What could it be? computer not picking up that the truck is warmed up and to thin out the fuel? Ive got all new plugs, wires etc. It rides great once i get going, it's just stopped at lights and in park it rumbles rough. Anyways I was just wondering if there was anyone who could help aid a possible fix to this issue, because besides that my truck is clean and rides smoother than ever.
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yeah
Dodge Dakota
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2/18/2010
11:26:43
| RE: Rough Idle
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Message:
Start by checking for codes.
Then remove TB, Remove IAC from back of TB.
Clean both throughly,(can of carb. an choke cleaner)
Reinstall IAC, Reinstall TB. (use a new gasket)
Go easy when cleaning IAC valve as to not damage the
plunger.
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99problems
Dodge Dakota
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2/18/2010
13:52:22
| RE: Rough Idle
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Message:
Not to sound dumb, but what does TB stand for? LoL and where is it located?
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yeah
Dodge Dakota
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2/18/2010
14:06:33
| RE: Rough Idle
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Message:
Throttle Body
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pssst
Dodge Dakota
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2/18/2010
18:43:13
| RE: Rough Idle
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Message:
99 In all seriousness
If you don't know what a throttle body is or where
it's located you should have someone else do it.
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Deon
Dodge Dakota
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2/23/2010
22:59:56
| RE: Rough Idle
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Message:
Beleive it or not, try replacing the thermostat. I know it sounds weird, but I had rough idle issues on my 98' V6 and the Dodge dealer determined it was the afermarket STANT thermostat that I had instsalled a few months earlier.
Easy and cheap enough to try...
Deon
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pppssstttt
Dodge Dakota
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2/24/2010
22:46:27
| RE: Rough Idle
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Message:
When my plenum gasket blew the idle would rise and fall about 200 rpms. Hopefully that isn't your problem. I had part throttle pinging and was losing alot of oil as well. Check all your vacuum lines. Might be a small vacuum leak.
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zack
Dodge Dakota
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3/03/2010
20:30:01
| RE: Rough Idle
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Message:
it is the idle air control valve $45.00 at autozone or 11 bucks on ebay. it is on the back side of the throttle body
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99problems
Dodge Dakota
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4/06/2010
10:17:49
| RE: Rough Idle still
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Message:
Ok I replaced my IAC with a completely new one and my truck still shakes. My idle is not dropping or going up and down its pretty steady at about 650-700 rpms, but it just seems like somethings not right when im stopped at lights and in park. Does any one know what it is? I took it too an auto lab and they ran diagnostic tests for 7 hours and could not find anything out of the ordinary and they felt the shake I was feeling but had no idea. The shake is just very uncomfotable and doesnt seem normal.(water dances in a water bottle in my cup holder while im at lights or in park). it also just seems not to be running steady when i start in the a.m. and am out side of the truck it sounds like its going, then bogs down slightly, then back up and ive also sat in my car while it was running and it just completely turned off but imediately came back on. Let me know if anyone knows/has a fix, thanks.
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daddio
Dodge Dakota
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4/06/2010
12:55:33
| RE: Rough Idle
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Message:
Start by checking for codes
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Rob Lo Lo
Dodge Dakota
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10/12/2010
11:33:15
| RE: Rough Idle
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Message:
I recently have had the same problem with my 97 Dodge Dakota V6 2WD. My idle is very low and when i put it in park it always wants to stall and has stalled several times am i hoping someone can help me figure the problem out before it get worse.
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moneypit95
GenI
10/12/2010
14:56:12
| RE: Rough Idle
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Message:
you might want to check your timing chain?
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william magee
Dodge Dakota
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6/16/2011
17:19:20
| RE: Rough Idle
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Message:
u ever figure out what made the rough idle i am
buying a 96 dakota 3.9 5 spd and when it starts up
it dont want to idle very good i am only paying 700
bucks for the truck and its driveable and stuff i
just think 700 is way to cheap for a truck like this
it does have 180000 miles i just hope i dont get it
home and find out its junk i gave a hundred down so
far
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