Secondary Air Injection System Switching Valve Stuck Open Bank 1
2013-2021 Peugeot 308 1.2L I3 PureTech 🇩🇪
Description
The secondary air injection switching valve on bank 1 is stuck in the open position.
Symptoms
- Check engine light
- Failed emissions test
- Noise from air injection system
Common Causes
- Carbon deposits in valve
- Failed diaphragm
- Broken valve spring
- Vacuum supply issue
Diagnostic Steps
- Inspect valve operation
- Check vacuum supply
- Listen for air injection noise at idle
Repair Notes
Replace secondary air switching valve.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P2440 on Other Vehicles
Peugeot 108
2014-2021 1.0L I3 VTi 72
Peugeot 108
2014-2021 1.2L I3 PureTech 82
Peugeot 2008
2019-2024 1.2L I3 PureTech
Peugeot 2008
2019-2024 Electric
Peugeot 2008
2019-2025 1.2L I3 Turbo PureTech 130
Peugeot 2008 PL
2019-2025 1.2L I3 Turbo PureTech 130
Peugeot 208
2012-2019 1.2L I3 PureTech
Peugeot 208
2012-2019 1.6L I4 BlueHDi
Common Questions
What does code P2440 mean on a 2013-2021 Peugeot 308?
P2440 stands for "Secondary Air Injection System Switching Valve Stuck Open Bank 1". The secondary air injection switching valve on bank 1 is stuck in the open position.
What are the symptoms of P2440 on a Peugeot 308?
Common symptoms of P2440 include: Check engine light, Failed emissions test, Noise from air injection system.
What causes P2440 on a 2013-2021 Peugeot 308?
Common causes of P2440 include: Carbon deposits in valve, Failed diaphragm, Broken valve spring, Vacuum supply issue.