Explorer 2WD V6-245 4.0L (1994)
Heated Oxygen (HO2S) Sensor: Electrical Specifications
HEATER ELEMENT RESISTANCE
Hot to warm ........................................................................................................................................................................................... 5.0-30.0 ohms
Room temperature ................................................................................................................................................................................... 2.0-5.0 ohms
HO2S SWITCHING
HO2S signal .................................................................................................................................................................. 0.3-0.9 volts within 3 seconds
After driving 55 mph for 5 minutes.
Testing procedures may be found under System Testing / Pinpoint tests. See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Pinpoint Tests/H - Fuel Control