P2408
Fuel Cap Sensor/Switch Circuit
P2408 is an OBD-II diagnostic trouble code meaning: Fuel Cap Sensor/Switch Circuit. Common causes: fuel cap sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $6–33.
Symptoms
- Check Engine Light Is On
- Possible smell of gasoline in the cabin
- Reduced engine efficiency
- Increased fuel consumption
Causes
- Fuel cap sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Incorrectly closed fuel tank cap
- Mechanical damage to the cover or sensor
How to Fix
- Check that the fuel tank cap is closed correctly
- Inspect the fuel tank cap for damage.
- Check the integrity of the wiring and contacts of the sensor
- Test the fuel cap sensor
- If necessary, replace the sensor or fuel tank cap
Related codes
Error P2408 by Vehicle Brand
FAQ
What does the P2408 code mean?
P2408 is an OBD-II diagnostic trouble code that indicates: Fuel Cap Sensor/Switch Circuit
What causes a P2408 error code?
The most common causes of P2408 include: Fuel cap sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Incorrectly closed fuel tank cap.
How do I fix a P2408 diagnostic trouble code?
To fix P2408: Check that the fuel tank cap is closed correctly. Inspect the fuel tank cap for damage.. Check the integrity of the wiring and contacts of the sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2408?
Yes, but get it checked soon
How much does it cost to fix P2408?
The estimated repair cost for P2408 is $6–33. Actual cost depends on your vehicle, location, and labor rates.
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