P0411
Secondary Air Injection System Incorrect Flow Detected
2007-2014 Land Rover LR2 3.2L I6
Moderate SeverityPowertrainGeneric (SAE)
Description
The secondary air injection system is not providing the expected airflow.
Symptoms
- Check Engine Light
- Failed emissions test
Common Causes
- Blocked AIR passages
- Stuck check valve
- Weak AIR pump
- Exhaust leak allowing backflow
Diagnostic Steps
- Monitor O2 sensor during AIR pump activation (should go lean)
- Check AIR pump output
- Inspect check valve
- Check for blocked passages
Repair Notes
Clear blockage or replace AIR pump/check 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
P0411 on Other Vehicles
Land Rover Defender V8
2022-2024 5.0L V8 Supercharged
Land Rover Discovery
1994-2004 4.0L V8
Land Rover Discovery
2017-2024 3.0L V6 Supercharged
Land Rover Discovery Sport
2015-2024 2.0L I4 Turbo
Land Rover Freelander
1997-2006 2.5L V6
Land Rover LR3
2005-2009 4.4L V8
Land Rover LR4
2010-2016 5.0L V8
Land Rover Range Rover Evoque
2012-2024 2.0L I4 Turbo
Common Questions
What does code P0411 mean on a 2007-2014 Land Rover LR2?
P0411 stands for "Secondary Air Injection System Incorrect Flow Detected". The secondary air injection system is not providing the expected airflow.
What are the symptoms of P0411 on a Land Rover LR2?
Common symptoms of P0411 include: Check Engine Light, Failed emissions test.
What causes P0411 on a 2007-2014 Land Rover LR2?
Common causes of P0411 include: Blocked AIR passages, Stuck check valve, Weak AIR pump, Exhaust leak allowing backflow.