EGR Temperature Sensor (California)
- Remove EGR temperature sensor from EGR valve. Place EGR temperature sensor in water. While increasing water temperature, measure resistance between wire terminals.
- At a temperature of 122°F (50°C), resistance should be 60,000-80,000 ohms. At 212°F (100°C), resistance should be 11,000-14,000 ohms. Replace EGR temperature sensor if resistance differs significantly from specification.