1991 Nissan 300ZX



March, 29, 2011 AT 12:28 AM

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

1 Answer



March, 29, 2011 AT 12:38 AM

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.

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