Question about 1998 Dodge Ram 1500 4WD

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1998 Dodge Ram 4X4 Quad 5.9L Auto. When accelerating slowly, shift fine until up to a cruizing speed, then keeps shifting up & down like into/out of a passing gear. Going up hill under a slight load works fine. Linkages and cables check out fine per the book. help?

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Mr. dodge ram, with the 46re trans the pcm needs a signal from the tps sensor to monitor throtlle opening, accel and decel, what has happened the tps has a worn out spot in cruise area, hence the down shift, uphill is fine because your past the worn out spot, replace your tps sensor, its mount on left side of throtlle body , 2 screws, 1 connecter, and its out, when done turn key on, eng off, step on gas pedal 6 times slowly, then turn off key, this will help set min tps setting, GOOD LUCK RDJRP

Posted on Aug 06, 2009

Testimonial: "This was right on. Replaced the sensor and the shifting problem went away. My cruize control which has not worked right for yrs now also works right! "

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Dodges are known for the Wave Snap Ring breaking in the OD unit, which is 4th, and would make the shifting problems you have, one way to find out is drop your trans pan and see if you have parts of this Wave Snap Ring in your pan.
The other thing could be, is you Governor or the sensor, unless you have a scan tool, you would be just tossing parts in.

Posted on Apr 03, 2014

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Posted on Jan 02, 2017

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