1991 nissan 300zx auto trans the car takes off in second and shifts to third but no overdrive which sol.in the trans controls this
Mar 29, 2011 at 12:28 AM
Repair Safety Notice:
This information is for general instructional purposes only. Vehicle repair can be dangerous.
Verify all information, follow manufacturer service procedures, use proper tools and safety equipment,
and consult a qualified repair shop when needed.
Advertisement
RASMATAZ
CAR REPAIR CONTRIBUTOR
75,992 POSTS
Check and test the vehicle speed and throttle position sensors-these the ones that feeds the computer an input signals relating to throttle and governor pressures at which time the computer commands a given solenoids to provides upshifts/downshifts/locked-up/overdrive even the coolant temperature sensor has to do with overdrive in a given temperature.