1989 Jeep Cherokee "down shifts itself" Questions

...down shift) check the vacuum modulator. Check the hose to it for leaks, check the modulator itself (any tranny fluid in the vacuum line will indicate a defective modulator), check the intake manifold ...

...artismo here! I have a similar problem with the idle fluctuating, and the trans down shifting itself at light throttle, which is the lock-up in the converter getting the wrong signal ? from the

...itself from four to fith but when I step on the gas it will not downshift to any gear I have to manually shift it to 3 then down to 1-2 when i come to a stop. Any answers to this wouold be greatful ...

down buy itself going up hills.works manually. If I push pedal to the floor hard it shifts for a few seconds A/T The modern A/T has 4shift methods. Foot (passing) called detent TV kick down cable. the

...itself. I have to start it in second and shift up and shift down when I slow and RPMs drop. Even with manually shifting it doesn't seem the timing is right. Sounds like you had a Internal Failure ...

...down by itself when it shift second to third. I take it to the mechanical and he got the P0768 code. When it is cold the problem is less. If I accelerate, the speed up and down remains less. Possible ...

down shifted to first now it won't shift out of first The engine is a 3.4 LA1 V6 with a 4 speed automatic 4T65-E check for trouble codes is the first step may be protecting itself when a solenoid goes

...shifts transmission into nuetral by itself. I have a 2005 chevy tahoe z71. It will shift in to nuetral by itself driveing down the road. If I pull the four wheel drive fuse from the fuse panel it ...

...down hard if not it will take off by itself,but if i put it in park at alight it will be over accelerated then it will decellerate by itself in a few seconds and if not i push on the gas pedal real ...

...down the road great and shifts thruogh all the gears normally! what could this be? Inspect your shift linkage if it has loosened or misaligned, either at the shifter itself or on the