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dakotaman4dr
Dodge Dakota
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7/21/2005
11:38:03
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 Subject: Idling up and down
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Message:
I don't know if anyone else has had this problem, but I have an 01 QC auto 4.7lt and the idle is driving me nutz. In the park position it will idle between 1000 and 1500 rpms, or between 600 to 1000. It will just sit there and bounce back and forth like I'm hitting the gas pedal every couple of seconds. Then, when I'm driving down the highway at a steady speed, my RPMs will be constanlly going up and down by 200-300rpms. Almost like it's trying to downshift but not completely. I know it's not a tranny prob due to the fact that I'm having the idle prob in park. When it's doing this, if I rev the crap out of the engine (just one pump of the gas peddle) it goes back to normal idle and holds fine. If anyone has a solution to this please let me know, it's driving me crazy!!!
Thanks,
Blake
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korey
Dodge Dakota
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7/21/2005
17:32:52
| RE: Idling up and down
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Message:
I dont know if u have it on your truck or not but it may be the idle control motor but i think they did away with those. Also may be idle air control? Sorry cant help more but i tried!
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guest
Dodge Dakota
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7/22/2005
01:09:17
| RE: Idling up and down
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Message:
probably throttle position sensor
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guest II
Dodge Dakota
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7/23/2005
08:19:03
| RE: Idling up and down
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Message:
I agree with the TPS, mine was doing the same thing untill I replaced it. Now all is cool.
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Jim
Dodge Dakota
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7/25/2005
23:02:42
|  RE: Idling up and down
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Message:
Thank you. Thank you. Thank you.
That was an exact description of the problem I have been having for the past month or two. I just changed out the TPS and everything is fine - except one thing. Before I was not getting any problem codes. But after disconnecting the sensor, I am getting P0123 - Throttle position sensor voltage high. This was apparently caused by the sensor being disconnected for a time. How do I reset the computer so my check engine light will go off and this code will go away?
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MOPARornoCAR
Dodge Dakota
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7/25/2005
23:24:42
| RE: Idling up and down
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Message:
diso youre battery...for about ten minutes...along with holding youre key in on position for about 10 seconds...it got rid of all my problem codes ascociated with the rotten plenum gasket.
B.
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MOPARornoCAR
Dodge Dakota
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7/25/2005
23:25:54
| RE: Idling up and down
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Message:
disconect.....sorry....beeer!
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Jim
Dodge Dakota
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7/29/2005
12:49:31
| RE: Idling up and down
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Message:
Thank you again. Disconnecting the battery worked. Now pass me a beer.
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bartender
Dodge Dakota
JOIN HERE
7/30/2005
09:31:34
| RE: Idling up and down
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Message:
Here it is - grab it !
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