Aerostar 2WD V6-182 3.0L (1995)
Heated Oxygen (HO2S) Sensor: Testing and Inspection
Ford provides Trouble Code/Symptom driven diagnostics for this component.
Diagnostic procedures can be found in:
Gas Vehicles - Pinpoint Test H. See: Testing and Inspection/Pinpoint Tests/H - Fuel Control
Flexible Fuel Vehicles - Pinpoint Test HB. See: Testing and Inspection/Pinpoint Tests/HB - Flexible Fuel (FF) Control
For complete diagnostics, refer to Computers and Control Systems / Testing and Inspection. See: Testing and Inspection