Fuel Temperature Sensor B Circuit Intermittent
The ECU detects intermittent dropouts on the fuel temperature sensor B circuit. Loose connector, chafed wiring or sensor failing under thermal load.
Affected components
- Fuel temperature sensor b
- Sensor connector
Common causes
- High likelihood: Connector loose or corroded
- Medium likelihood: Wiring chafed
- Low likelihood: Connector with intermittent contact under vibration
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
Related codes
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.