My 91 did that and it was the ECM. It would jump to 40-45 while idling (Even tho the car wasn't moving) and if you were going down the road - it would jump to sometimes upwards of 100 mph (At 50-60 actual speed).
Your 1988 Nissan 300 speedometer cable is held in place with swivel nuts on each end of the speedometer cable. Turn the swivel nuts to the left. The speedometer cable will come off. Reverse the process to install your new speedometer cable.
One end at the speedometer head The other at the side of transmission
in the fuel tank
They don't allow pasting pictures in here. The speedometer cable goes from the transfer case to the speedometer.
How do i change the ignition switch in a 1988 Chevy camaro
what is the ignition timing for a 1988 Chevy 454 engine
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Shifter has to be in park to get the key turned all the way off,,,,,,,,,,,,, Why will it not go into park?,,, Contact me in my message board
where is fuel filter on 1988 olds 98 regency brouham or how do u check a fuel pump
yes u can and 22'
Possibly the keyswitch.
electronic ignition