Question about Jeep Grand Cherokee

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I have a 94 grand cherokee lmtd and at first from a stop it wanted to start in third gear. one day goin down the highway it downshifted to passing gear and stayed there for about 20 seconds and then shifted back. From then on it was slipping in and out of gear while in drive. IN reverse it would slip really bad and make a really loud whining sound. After about a week reverse doesn't want to work at all and drive barely does. I ran a manual code check on the OD light and got codes for Governor Pressure Sensor/Solenoid. Is this the problem or is there other things wrong with it also.

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Have it checked on a transmission scanner. Chances are though that there is an internal pressure loss that is changing the shift points and debris in the valve body that is causing the strange happenings. Likely from what you said the converter lockup probably failed first. Bottom line is it needs to be overhauled.

Posted on Sep 08, 2010

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Posted on Jan 02, 2017

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I have a 2002 Jeep Grand Cherokee. When the accelerator is depressed hard (passing or going uphill) the vehicle downshifts into too low of a gear. The nose will dip down and it will rev high.


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My 99 jimmy with a 4L60E, on a downshift (kickdown) at highway speed or any speed really when downshift by pressing down the accelarator or downshifting by hand the tansmission feels like it's in neutral,...


First off there may be nothing wrong. At highway speed, the trans will shift down to 1st, but you won't feel it. If should feel like neutral. Does it shift normally when your "wide open throttle" from standstill? If it shifts properly in this situation, then your fine, don't worry. How about wide open throttle at say 25mph? how about 35 and 45? anything over that and its gonna feel like neutral. IF your convinced that your passing gear is not working right, it could mean that its out of adjustment, and needs a little more push, more throw, or kinda like adjusting the rod out a little bit further. Adjust your "passing gear linkage" or kickdown as you imply. Second guess would be low on transmisison fluid, filter, and last, the transmissoin control selonoid. Again I suggest its doing just fine, if it shifts down at any speed.

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1 Answer

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Your transmission apparently is not downshifting properly. From your description, it sounds as though it is in 2nd or 3rd gear, which is why it is slow to accelerate. When you shift into 1st, it is starting off in 1st gear as it should. You probably should have a transmission shop check it out. Check engine light on?

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