Transmission slips, wont go over a couple mph, then drives fine for awhile

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Sep 8, 2009 - My 99 Dodge 2500 Ram won't accelerate..transmission is NOT slipping,.... It has been running fine and the check engine light even cleared itself yesterday.... So it wouldn't go into first gear and then 3 minutes later my check engine ... I have a1997 Dodge Ram 1500 with a 5.9L instead of the stock 5.2L. It ...

Dodge Ram Idle and Stalling Problems - Car Forums at Edmunds.com

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Aug 17, 2011 - 30 posts - ‎25 authors
Learn more about Dodge Ram Pickup 1500 at the Edmunds.com ... The crank sensorwas put on however it started stalling again. ... The truck starts fine, but will only runat 2000's RPM and only then if .... Then as I start driving about 1/3 of a mile go dead again, I knockout of gear, crank back up immediately.

WILL NOT GO OVER 30MPH WITH PEDLE TO METAL ...

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I WAS DRIVING FINE AND THE CAR ACTED LIKE IT GOT STUCK IN ... Then the transmission didn't want to change into 2nd gear. .... Whenever i start up my car theabs and esp light turn on and when i try driving it doesnt go over 30 mph even .... in neutral but not it just wont go up hills and i think it has something to do with

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One of the tires may have a slipped belt or be extremely out of balance. I would reccomend not driving it until you have it inspected.

Check your input or output sensors on top of tranny. Check engine light?

Could be a long list of things.
Its too late for a filter change. Doing that now would probably make matters worse.
The trans uses electric solenoids and a pump to apply pressure to the clutches. So either could be faulty given the age and mileage.
I'm not sure if the shifting problem is connected to the shift indicator lights problem.
You may need to take it to a trans shop to find out for sure. And they will not want to touch it with that many miles on it.
A regular mechanic might be able to do a pressure test on it to at least find out if it is the pump or not.

First check the level of the fluid in the transmission, sounds like it ran low or empty.

probably a intake gasket or bad spark plug

Sorry to inform you that it sounds like your transmission needs servicing.
Check the fluid levels and replenish if level is down.
If after doing this,the car still wont shift properly or smoothly,,then you will have to take the car into a transmission mechanic.

I had the same problem in my 96 f-350. The transmission has slipped recording a slip code in the transmission. You can pull the codes and get it. I shifts into a safe mode that increases the pressure inside your transmission as part od a fail safe. Plain and simple, you have to have the tranny rebuilt.