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I have a 1989 Jeep Comanche-I need to know how to calibrate/adjust TPS.4.0 liter motor.
I didn't have a selection for 1989 so I put 1990 above.
you need a dvom meter to set the voltage at 0 throttle to ,5 volts.
what issue are you having that you needed to replace the tps??
Thanks so much-I'll give it another try.