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Electrical Specifications|Page 4920 > < Manifold Pressure/Vacuum Sensor|Specifications|Page 4915
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Heated Oxygen Sensor: Electrical Specifications

HO2S SENSOR VOLTAGE (with engine at operating temperature):
 
At 3000 RPM.............................................................................................................................................................................................................0.5 Volts 
During deceleration from 3000 RPM ..........................................................................................................................................................  Below 0.5 Volts 
Lean ........................................................................................................................................................................................................ Less Than 0.4 Volts 
14.7 to 1 Stoichiometric .................................................................................................................................................................................. 0.4 - 0.6 Volts 
Rich ....................................................................................................................................................................................................... More Than 0.6 Volts 
 
HO2S HEATER RESISTANCE 
Between terminals 3 and 4 (black wires) .........................................................................................................................................................  10 - 40 Ohms 

Electrical Specifications|Page 4920 > < Manifold Pressure/Vacuum Sensor|Specifications|Page 4915