behind the plastic in the passenger side foot space on the right (behind the light) there are 3 screws holding the plastic on
no. must be the same. you may be able to get away with OBD0 (zero)
Yes the ecu will work. First disconnect the battery and connect the new one then reconnect the batter. Start up the 240sx and it should work it not it needs to be diagnoste goggle 1990 240sx ECU CODES FOLLOW THE STEPS AND THAT SHOULD WORK I know cause I'm using a 1992 ECU FROM Nissan Stanza. I was told it's alittle advanced on the horse power side and idle moves quicker.
you push the reset button on the back of the ECU.
no
Nope, different body styles
ask the mechanic from the Nissan company
Yes they will, both are the s13 model and virtually everything on s13s is interchangeable.
My 1992 Nissan 240 sx is 038
what makes a 1991 Nissan 240sx stop while you drive. and it is not out of gas or oil. Could it be the ignition module
NO, to pass smog test, it all needs to be original
Yup. you must transfer the whole wiring harness and the ecu though, the job is easy and straight forward, everything is plug and play
in the floor of the trunk or hatch