# I had the same problem once, but it mysteriously dissapeared -->

Posted by Aaron (92 SE Auto) on September 08, 2002 at 23:30:49:

In Reply to: Ttransmission post...anyone posted by abdul on September 08, 2002 at 22:31:28:

I was driving my car in about -10 degrees during last winter while moving from Vegas to NC. I was going about 80mph and it would just downshift into 3rd for no reason and then shift back into 4th soon after. Then, the tranny "P" light would flash exactly 16 times with no flashes begin longer than the others. According to the FSM, there is no such code.

When I got into some warmer weather above 0 degrees, the problem just stopped. I have not had such a problem since then or before then. It only happened in about a 2 hour time span deep in the Flagstaff mountains at night. But, here's an important point... I was going up the mountain on I-40. So, since it started bogging in 4th gear while going uphill, the cruise control would kick it down into 3rd and then immediately back to 4th. It would get confused, i guess and then flash a code.

Sorry, if this is not the same problem, but I just thought I'd tell my experience.

: experience this issue. For the past year, I have had this issue which I thought was surging with the transmission fluctuating between gears. I'm driving home from NY on the NJ turnpike..the car is going 70 MPH..the rpm fluctuates to from 2.5k rpm to 3k, the car downshifts to 3rd..to 3.5k rpm and then to 4th back to 2.5. It did this about 20 times. The only damn thing I can think of that I mucked around with last year and that I adjusted in the past couple of months is the TPS sensor. Last year I replaced the TPS sensor due to broken contacts. The car has never been the same..or it could just be me. The only other thing I can think of is the Auto tranny control unit..however, that would just affect normal shifting..period. My problem only occurs after a good 1 hour of driving..and it happens for split seconds..sometimes never at all.. Any input is appreciated.. My tranny does not slip (yet) and it shifts through all gears fine, the fluid was changed 20k miles ago..it is filled to level, pink/reddish in color..no burnt smell...no leaks.

: TIA
: Abdul

Replys:

- Hmm..it does fluctuate with temperature..hmm..temp sensor check..n/m abdul (vg/ve) 18:11:11 9/09/2002 (0)

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: I was driving my car in about -10 degrees during last winter while moving from Vegas to NC. I was going about 80mph and it would just downshift into 3rd for no reason and then shift back into 4th soon after. Then, the tranny "P" light would flash exactly 16 times with no flashes begin longer than the others. According to the FSM, there is no such code. : When I got into some warmer weather above 0 degrees, the problem just stopped. I have not had such a problem since then or before then. It only happened in about a 2 hour time span deep in the Flagstaff mountains at night. But, here's an important point... I was going up the mountain on I-40. So, since it started bogging in 4th gear while going uphill, the cruise control would kick it down into 3rd and then immediately back to 4th. It would get confused, i guess and then flash a code. : Sorry, if this is not the same problem, but I just thought I'd tell my experience. : : experience this issue. For the past year, I have had this issue which I thought was surging with the transmission fluctuating between gears. I'm driving home from NY on the NJ turnpike..the car is going 70 MPH..the rpm fluctuates to from 2.5k rpm to 3k, the car downshifts to 3rd..to 3.5k rpm and then to 4th back to 2.5. It did this about 20 times. The only damn thing I can think of that I mucked around with last year and that I adjusted in the past couple of months is the TPS sensor. Last year I replaced the TPS sensor due to broken contacts. The car has never been the same..or it could just be me. The only other thing I can think of is the Auto tranny control unit..however, that would just affect normal shifting..period. My problem only occurs after a good 1 hour of driving..and it happens for split seconds..sometimes never at all.. Any input is appreciated.. My tranny does not slip (yet) and it shifts through all gears fine, the fluid was changed 20k miles ago..it is filled to level, pink/reddish in color..no burnt smell...no leaks. : : TIA : : Abdul