Heated Oxygen Sensor (Ho2S)

WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 1994 Ford Ranger, 1994 Ford RV Cutaway, 1994 Ford Pickup, 1994 Ford F-Super Duty, and 1994 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

HO2S VOLTAGE

Condition

⁽¹⁾ Voltage

Rich

Increases

Lean

Decreases

⁽¹⁾	Measure between oxygen sensor connector and ground. Voltage should toggle above and below 0.45 volt when system is in closed loop.