Ford
Type:
    Powertrain - Fuel and Air Metering - ISO/SAE Controlled
Description:
    Engine Fuel Temperature Sensor 'B' Circuit Low Conditions
Cause:
    Engine running, then the PCM detected an EFT sensor 'B' signal that was less than the calibrated limit of 0.21 v [275°F] during the self-test

Generic
Type:
    Powertrain - Fuel and Air Metering - ISO/SAE Controlled
Description:
    Fuel Temperature Sensor "B" Circuit Low