P2408

Fuel Cap Sensor/Switch Circuit

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$6–33 (est.)

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

P2407 P2409 P2419