Check Fuel Temperature Sensor

1. Specification:

1. At 0 °C (32 °F), Resistance 4 ~ 7 kΩ
2. At 20 °C (68 °F), Resistance 2 ~ 3 kΩ
3. At 40 °C (104 °F), Resistance 0.9 ~ 1.3 kΩ
4. At 80 °C (176 °F), Resistance 0.2 ~ 0.4 kΩ
   Fig 1: Measuring Resistance Between Terminal 1 And 4 Of Fuel Temperature Sensor Connector

   

YES

1. Substitute with a known-good PCM and check for proper operation. If the problem is corrected, replace PCM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

NO

1. Check fuel temp. sensor for contamination, deterioration, or damage. Substitute with a known-good fuel temp. sensor and check for proper operation. If the problem is corrected, replace fuel temp. sensor and go to "VERIFICATION OF VEHICLE REPAIR " procedure.