P0410 Fault Code

Secondary Air Injection System Malfunction

• What does that mean?
• Symptoms
• Causes
• Solutions

The P0410 fault code indicates a malfunction in the Secondary Air Injection System. This system is designed to reduce emissions by introducing additional air into the exhaust stream during cold starts. A fault can lead to increased emissions and possible failure to meet emissions standards.

What are the symptoms of the P0410 code?

Symptoms associated with the P0410 code may include:

• Illuminated check engine light
• Increased exhaust emissions
• Engine roughness during cold starts
• Potential decrease in fuel efficiency
• Failed emissions test

What causes the P0410 code?

Common causes of P0410 include:

• Faulty air pump or motor
• Blocked or leaking hoses
• Malfunctioning check valve
• Wiring issues or damaged connectors
• Faulty control module or software issue

How to fix P0410?

To fix the P0410 code, the following steps may be necessary:

• Perform a visual inspection of the air injection system for damaged components.
• Test the secondary air pump operation and replace if faulty.
• Check for blockages in hoses and clean or replace as needed.
• Inspect the check valve and ensure it is functioning properly.
• Repair any damaged wiring or connectors and clear the code to verify the fix.