- #109 of 685
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Re: Dakota tranny doesn't engage [93dakota]
by scoopyex
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Mar 01, 2007 (11:07 am)
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Replying to: 93dakota (Mar 01, 2007 10:49 am)
I replaced the tps and it solved my shifting problems. The other problem I had was that the truck wouldn't move when I inititially put the truck into drive after a cold start. I disconnected the battery cable for 10 minutes or so and it seemed to cure that issue. Apparently there's a software bug in the tranmission controller and this is a common problem. I also replaced the two filters in the transmission and replaced the fluid with Chrysler spec fluid. I'm not sure if Your 93 Dak has the same transmission and Your problem may be being caused by something else. Since I changed the tps and spark plugs fuel economy has been pretty good. Before doing any of that I could drive 3 miles to work and watch my fuel guage dropping dramatically. It was horrible on gas and I was sorry that I had bought the truck just when fuel prices where sky rocketing.
Hope this helps
My Dak is a 2000 Dakota Sport 4X4, 4.7 v8 w/ 4 speed automatic
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- #110 of 685
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Re: Dakota tranny doesn't engage [scoopyex]
by 93dakota
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Mar 01, 2007 (11:45 am)
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Replying to: scoopyex (Mar 01, 2007 11:07 am)
alrite thanx man i really appreciate it!
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- #111 of 685
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Re: Dakota Overdrive Whine [kd4iiw]
by dustyk
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Mar 01, 2007 (4:40 pm)
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Replying to: kd4iiw (Feb 27, 2007 12:47 pm)
I had use of a 2005 some time back and I was impressed with pretty much everything about it except the interior appointment, which is a little too bland for my taste. I'm comparing this to my 2003 Dakota Sport. The 2005 was quieter than mine and was exceptionally solid, rode a little better and handled a little better.
Regards,
Dusty
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- #112 of 685
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05 Dakota Trans stalls engine
by topix
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Mar 10, 2007 (5:29 pm)
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My 05 Dakota 4x4 4.7L w/ 7500 miles when cold stalls engine when coming to stop. After coming to a stop, the trans kick down to a lower gear pretty hard. It the brakes are set lightly it will surge forward slightly. If brakes are set hard, engine stalls. Only happens when engine and trans are cold - only first 2-3 miles of driving. Been to dealer a couple of times, and they can't find a thing. No codes set, and of course, cannot duplicate. Anyone else having similar problem or possible solution?
Thanks
russ
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- #113 of 685
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trans
by blk4x4
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Mar 11, 2007 (10:32 am)
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check the level of your trans fluid... if it isn't low maybe try changing the filter could be defective...
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- #114 of 685
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Re: trans [blk4x4]
by scoopyex
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Mar 11, 2007 (4:09 pm)
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Replying to: blk4x4 (Mar 11, 2007 10:32 am)
try changing your throttle position sensor. it's about $25.00 from the local parts stores and may cure your problem for short money. The TPS doesn't toss codes but will make your 4.7 and tranny do odd things when it's all munged up inside. It only takes about 2 minutes to change it if You have the proper torx bit driver handy. Before I replaced mine on my 2000 Dak with 4.7, there were no codes, but the engine wanted to idle at lower than normal rpms and the transmission was acting strange. also, before You start Your Dak, pump the fuel pedal from closed to fully open a dozen times before actually starting the truck. You might just have bad contacts (munged up) and it's causing Your problem when it's cold (as mine did) and when it gets warm it makes a better connection inside because the components have warmed up and expanded and making a much better contact.
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- #115 of 685
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Re: trans [scoopyex]
by dustyk
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Mar 13, 2007 (3:11 am)
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Replying to: scoopyex (Mar 11, 2007 4:09 pm)
I was thinking the same thing.
There is no single component on a Dodge truck that can cause so many varied and strange symptoms as the Throttle Position Sensor.
However, I would first suspect the transmission cable sticking, especially since the symptom is related to temperature.
Regards,
Dusty
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- #116 of 685
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Re: trans [dustyk]
by scoopyex
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Mar 13, 2007 (9:07 am)
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Replying to: dustyk (Mar 13, 2007 3:11 am)
no cable from the tps that I know of. the function of the cable is in the TPS itself. all transmission shifing is done by throttle position, engine load, and road speed.
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- #117 of 685
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Re: 05 Dakota Trans stalls engine [topix]
by denny3891
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Mar 14, 2007 (6:52 pm)
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Replying to: topix (Mar 10, 2007 5:29 pm)
Did you try changing the TPS. My 00 Dakota with the 4.7 was downshifting very hard when I slowed at stop sighs. The engine would idle near 1K and the gas miliage wasnt very good. I didnt have a scanner so I continued to drive the truck even on long tripps until one day I was driving to college and the torque converter kept coming unlocked and the trany eventually started down shifting on the freeway. I towed the truck to the shop I work at in the summer and checked the codes. The engine code said incorrect voltage for the TPS. The trany code said, tps voltage and map sensor voltage dont match. I drove the truck around for two days before I fixed anything. The problem didnt come back until I headed back on the freeway to school. I got almost the exact place on the freeway when the trans started down shifting again. I pulled to the side of the road and changed the TPS and had no problems the last 80 miles or the past 3months.
Mr Holt ASE MASTER CERTIFIED
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- #118 of 685
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Re: trans [scoopyex]
by dustyk
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Mar 15, 2007 (1:57 pm)
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Replying to: scoopyex (Mar 13, 2007 9:07 am)
In the Dakota of recent years there are four automatic transmissions used: the 42RE (six cylinder), 45RE (318 V-8), 46RE (360 V-8, R/T only), and the 545RFE (4.7 Magnum V-8).
Each of these transmissions have what Chrysler calls a Throttle Valve Cable. This cable is used to controls shift speeds, shift quality, and part-throttle downshift speed (sensitivity).
Look closely at the Throttle Body Lever where the accelerator cable is connected. You will notice a second cable attached to this lever that routes downward along the right side (passenger side) of the transmission.
There is an adjustment procedure for this cable that must be followed precisely. If out of adjustment, slipping or shift flare, rough shifts, premature or late shifts will occur.
If the Throttle Valve Cable linkage sticks, usually at the transmission end, it will cause your symptom. There is also a return spring on the cable bracket at the transmission. I've seen these broken or completely missing. In cold weather I've also seen the pivot shafts sticking causing long shifts. These get gummy after some years from oil and road grime.
By the way, this very common problem accounts for many Mopar transmissions being "rebuilt" by shops that are less than honest.
Good luck and best regards,
Dusty
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