Your Vehicle: 2001 Ford Escort ZX2 L4-2.0L DOHC VIN 3
 
Vehicle » Powertrain Management » Sensors and Switches - Powertrain Management » Sensors and Switches - Computers and Control Systems » Oxygen Sensor » Description and Operation  
 
Description and Operation Information

Heated Oxygen Sensor (HO2S) Monitor

PCM Inputs