Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSTOYOTA20024RUNNER SR5, 4WDREPAIR AND DIAGNOSISENGINE PERFORMANCESENSOR RANGE CHARTSENGINE CONTROLS - SENSOR OPERATING RANGE CHARTS
2002 Toyota 4Runner SR5, 4WD
Engine Controls - Sensor Operating Range Charts
2002 Toyota 4Runner SR5, 4WDSECTION Engine Controls - Sensor Operating Range Charts
- Introduction
- Service Precautions
- Sensor Operating Range Information
- Accelerator Pedal Position Sensor
- Air/Fuel Sensor
- Airflow Meter
- Camshaft Position Sensor
- Crankshaft Position Sensor
- EGR Gas Temperature Sensor
- EGR Position Sensor
- Engine Coolant Temperature Sensor
- Heated Oxygen Sensor
- Intake Air Temperature Sensor
- Knock Sensor
- Power Steering Pressure Sensor
- Throttle Position Sensor
- Vacuum Sensor For Hydrocarbon ADSORBER Catalyst System
- Vapor Pressure Sensor
- Variable Valve Timing Sensor
- Vehicle Speed Sensor
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.