Operation CHARM: Car repair manuals for everyone.

Oxygen Sensor

Output voltage
Note: Engine warmed up
When decelerating suddenly from 4,000 rpm 200 Millivolts (mV)
Note: or less
When engine is suddenly raced 600 to 1000 Millivolts (mV)
Heater Resistance
Note: Key OFF
2.1 +/- 0.4 at 22 Ohms At Degrees Celsius (ohms @ deg C)
Sensor resistance between terminals 3 and 4 30 at 400 Ohms At Degrees Celsius (ohms @ deg C)
Tightening torque 50 to 60 Newton Meter (Nm)