nissan auto transmission

1991 NISSAN 300ZX
6 CYL • 2WD • AUTOMATIC
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RICKH69U
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  • 3 POSTS
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 28, 2011 at 5:28 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 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.
Mar 28, 2011 at 5:38 PM
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