P2405

EVAP System Leak Detection Pump Sense Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Check Engine Light Is On
Possible smell of gasoline
Increased fuel consumption (in some cases)
Unstable engine idling (rare)
Failures during overclocking (in rare cases)

Causes

EVAP leak detection pump malfunction
Open or short circuit in the sensor circuit
Poor contact in circuit connectors
Engine control unit malfunction
Wiring harness damage

How to Fix

Check the continuity of the pump sensor circuit
Inspect connectors for corrosion or damage
Check the functionality of the leak detection pump
Scan the control unit for additional errors
Replace leak detection pump if necessary

Related codes

P2406 P2407 P0440