Shifting to O/D at 20MPH
#1
Lead Lap
Thread Starter
Shifting to O/D at 20MPH
My car has suddenly started shifting through all the gears too quickly. It also will not automatically shift down when trying to accelerate. I can shift manually through all the gears. Anybody had this issue come up before?
I found one vacuum leak and that didn't help.
1992 LS400 about 300k miles
I found one vacuum leak and that didn't help.
1992 LS400 about 300k miles
#2
Driver School Candidate
First thing that came to mind was a bad tps...but start with checking transmission fluid level and condition next check for any engine and transmission codes. From there is could be a bad speed sensor or shift solenoids but find out if you have any codes and let us know.
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