The transmission doesn't feel like it's slipping but it is very sluggish on take off or if I start it on an incline. It has been doing this ever since I owned it (4 years now) but I finally want to get it fixed. I ran the diagnostic trouble codes and got : P0740, P0753, 758, 785 and 1860. I saw a post somewhere about the ignition switch could also be a problem. The ignition switch has been replaced twice (neither time but experts). The last replacement works but the key still needs a few twists to remove it. Anyone out there with any advice would be greatly appreciated.
The good news is that it is an electrical problem rather than a mechanical problem. So, you should be able to get the problem taken care of without removing the transmission. The bad news is, you'll probably have to take it to a tranny shop to get the electrical bug worked out (unless you have the knowledge/equipment to test each of the electronic components of the tranny).
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you need to repair no 1 cyl. misfire it will misfire when engine load is present. if you want to test it .push brake pedal engine running and shift into forward gear and with the other foot raise rpm to 2000rpm you will feel the misfire
hope it helps
Even though your shifter doesn't show 1st gear, your transmission will start out in 1st, then shift into 2nd at around 10-15mph. If you start out with shifter in 2nd, you should feel the gear change. About all the average person can do with automatics is check the fluid, and possibly drop the pan and change filters. sometimes that helps with slipping or balky transmissions, but not always. Good luck, Bill. Maybe somone else has some ideas?
Transmission does not shift automatically, only manually. Swap in a known-good PCM, check wiring, check other sensors such as VSS and TPS. Trans shifts into gear harshly, car feels sluggish off the line,
No 1st, 4th or TCC lockup available, Manual 2nd, 3rd and Reverse are
only available gears, CEL is on: Transmision is either in limp-home
mode or has lost electrical power. If there are lots of error codes in
the PCM, check the underhood fuse that powers the transmission, and if
it pops again, look for a short in that circuit like an O2 sensor
harness touching exhaust. Otherwise, check PCM codes for a particular
fault in the transmission causing the PCM to put it in limp-home mode.
Car goes into gear but feels very sluggish like the brakes are dragging,
but it will roll easily (starts out in 4th gear), you manually shift to
2 to get it moving, once it's moving you put it back in OD and the car
shifts 3rd to 4th on its own and locks the converter at the appropriate
time: ShiftB solenoid failed: Easy fix in the pan. Or a wiring problem
from PCM to trans.. or PCM.
Jeeps have electric solenoids inside the transmission, (shift solenoids) I would have the jeep tested at the advance auto or autozone for codes if the check engine light is on; (its free) and go from there. sounds like the jeep may be in limp mode which chrysler created to protect the transmission. limp mode will not allow the jeep to shift all the way up to overdrive or shift all the way down to 1st shifting position. feels like it has to get going over25 to move well . AAMCO transmissions will diagnose your jeep for free in most states.