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MOPAR4U
Dodge Dakota
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8/25/2004
08:47:31
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 Subject: stalling?
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Message:
2002 QC 4.7 auto 30,000 miles
When the motor is up to temp and I put the truck from either drive or reverse to park,the rpm's will drop to betweem 200-300 and jump back up to 600 or so. It almost stalls. Is this normal? It does this about 40% of the time. I had the throttle bodies cleaned by the dealer. Any ideas?
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fastyz400
Dodge Dakota
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8/26/2004
03:09:32
| RE: stalling?
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Message:
This one is a difficult one.
It could be 1 of numerous things. I'd go to autozone, check or pep boys and have them scan it. It's free. See if you get any codes.
If, not, I would check the following
1. Throtle position sensor
2. IAC motor. (Idle Control)
Just a start. Hope it helps
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Atlantic Blue
Dodge Dakota
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8/26/2004
12:06:04
| RE: stalling?
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There is a software upgrade from the dealer for stumbling and stalling between D-N-R. Something to do with idle flare recovery.
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mopar4u
Dodge Dakota
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8/26/2004
15:17:51
| RE: stalling?
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Message:
Thanks for the replies.
Hey Atlantic Blue,
Any idea if there is a TSB or something I can refer to?
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dasman
Dodge Dakota
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8/26/2004
18:26:21
|  RE: stalling?
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Message:
I have a 2000 with 70,000 miles and I've had the same problem since I bought it. It use to do it a couple times a week, but it has seemed to decrease with age. Not to sure what causes it, but if there is a software upgrade I would like to know about it.
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Atlantic Blue
Dodge Dakota
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8/26/2004
19:15:18
| RE: stalling?
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Message:
There is a TSB for it but I can't remember the number. If you mention the stumbling or stalling between D-N-R to park they should know what you are talking about. My buddy had that flash done to his 03 a few months back and that cured his problem but I think his was stalling when it was cold.
The IAC is a good idea too and you may want to try cleaning that first. Here is the procedure compliments of speedtweaks.ca.
How to Clean the IAC Solenoid:
This is recommended at every Tune-Up to prevent excess carbon buildup on the IAC plunger. In some cases, you'll notice a slightly erratic idle quality. This is the first step in taking care of that problem. IAC = Intake Air Control (Solenoid).
Remove the Air Hat from the Throttle Body
Disconnect the sensor harness from the IAC Solenoid (Rear of Throttle Body)
Remove the two Torx-25 Screws
Remove the IAC Solenoid (Be careful not to lose the rubber O-Ring)
Spray some Carb/TB Cleaner in the IAC port on the Throttle Body and let it sit
Spray some Carb/TB Cleaner on the tip of the IAC Solenoid and wipe clean (Do NOT forcefully twist or push the plunger - You will damage the Solenoid. Wipe very gently.)
Spray a little bit more Carb/TB Cleaner in the IAC port on the Throttle Body and wipe clean with a thin/lint-free rag
Reinstall the IAC Solenoid (Make sure you don't lose the rubber gasket on the solenoid)
Reinstall the sensor connector and airhat
Start the engine and let idle for about 1 minute.
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