Evaporative Emission System Pressure Sensor Low Input
The fuel tank pressure sensor signal is below the expected minimum voltage. Often caused by a failed sensor or a short to ground in the signal line.
Affected components
- Fuel tank pressure sensor
- Sensor wiring
Common causes
- High likelihood: Tank pressure sensor failed
Possible symptoms
- Check engine light on
- Possible smell of fuel near tank or engine bay
- Failed emissions inspection
- Loose-cap warning may appear
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- A drive cycle may be required after repair
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.