Re: 2000 Durango - cruise control rpm fluctuations
[Re: slantzilla]
#1321523
10/16/12 11:23 PM
10/16/12 11:23 PM
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Joined: Jan 2003
Posts: 1,329
NC
DCM71cuda
OP
pro stock
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OP
pro stock
Joined: Jan 2003
Posts: 1,329
NC
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Quote:
My 2000 R/T did the same thing when I first got it. It kinda acted like the lockup was releasing then reapplying. Tach would move a couple hundred RPM. TPS was the problem. 
That is kinda what it seems like. May have to try replacing that.
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Re: 2000 Durango - cruise control rpm fluctuations
[Re: 383man]
#1321526
10/17/12 08:31 AM
10/17/12 08:31 AM
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Joined: Oct 2003
Posts: 21,345
Marysville, O-H-I-O
70Cuda383
Too Many Posts
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Too Many Posts
Joined: Oct 2003
Posts: 21,345
Marysville, O-H-I-O
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If the RPM is fluctuating without the vehicle speed actually changing, then it sounds like either it's shifting in and out of OD, or the TC is locking/unlocking.
the PCM is programmed to lock/unlock the TC whenever you lift on the throttle, so if the TPS is bad like the other suggested, then the computer is struggling to see what the throttle is doing, so it's locking/unlocking the torque converter, which is what's giving you the RPM fluctuations.
**Photobucket sucks**
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Re: 2000 Durango - cruise control rpm fluctuations
[Re: SALEM1912]
#1321528
10/17/12 02:30 PM
10/17/12 02:30 PM
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Joined: Jan 2003
Posts: 20,182
Park Forest, IL
slantzilla
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 20,182
Park Forest, IL
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When mine was doing it I even took it to a Dodge dealer and asked them if it could be the TPS. I was told no, and they'd never seen another one doing it.
I perused the Dakota-Durango board for about 3 minutes and found out it is a very well known issues with Gen III Dakota/Durangos.
My buddy even had a V-6 Gen III doing it.
"Everybody funny, now you funny too."
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