Where is the tcu on a 91 eclipse 2.0?
the tcu is in the center dash area behind the radio and the main ecu remove both side panels the carpeted ones after that u should see 2 plastic covers one on the drives side near the gas pedel and one on the passanger side each has 1 screw in after u uninstall them u should see the tcu the front bolt is on a stud and the back 2 are on the fire wall