P2403

Symptoms

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

Causes

• Open or short circuit in the LDP pump sensor circuit
• Faulty leak detection pump sensor
• Damaged EVAP system LDP pump
• Problems with the wiring harness or connectors
• Engine control unit malfunction

How to Fix

1. Check the continuity of the LDP pump sensor circuit
2. Check the resistance of the LDP pump sensor
3. Inspect connectors and wiring harness for damage
4. If necessary, replace the LDP pump or sensor
5. Check and replace fuses if necessary

Related codes

Error P2403 by Vehicle Brand