Ford Sierra Cosworth YB 3 Bar Map Sensor 2wd 4wd Marelli APS05/01 Weber
Ford Cosworth 3 Bar Map Sensor. Will fit Sierra 2wd 4wd and Escort Big Turbo Models. 3 Bar Map Sensors are used in most upgraded engines. PIN 1/A = SIGNAL OUT. PIN 2/B = GND. PIN 3/C = 5v.