P2404

EVAP System Leak Detection Pump Sense Circuit Range/Performance

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine Light Is On
Possible problems starting the engine
Increased fuel consumption
Unstable engine idling
The smell of gasoline in or around the car

Causes

EVAP leak detection pump sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in sensor circuit connectors
EVAP leak detection pump malfunction
Problems with the engine control unit

How to Fix

Check the integrity of the wiring and connectors of the sensor circuit
Test EVAP leak detection pump sensor
Check the functionality of the leak detection pump
If necessary, replace the sensor or pump
Reset the error code and check the system after repair

Related codes

P2405 P2406 P2419