OBD-II Error Code P0413: How to Fix Secondary Air Injection Valve A Open

Q: What does error code P0413 mean?

P0413 indicates that the secondary air injection valve A (injector) is stuck open or has an electrical fault. The ECM detects a problem with the valve's operation during the secondary air injection system self-test.

Q: Can I drive with a P0413 code?

Yes, but it's not recommended for extended periods. The vehicle may fail an emissions test and could have increased emissions. It may also affect cold start performance.

Q: How do I fix code P0413?

Common fixes include: checking vacuum hoses for leaks, replacing the secondary air injection valve, repairing wiring faults, or replacing the secondary air pump if it has failed.

Q: What parts do I need for P0413 repair?

You may need a new secondary air injection valve, vacuum hoses, or a new secondary air pump. Electrical parts like fuses or relays are also possible.

Q: Is P0413 the same as P0410?

No, P0410 is for the secondary air injection system malfunction (general), while P0413 is specific to the secondary air injection valve A stuck open. Diagnostic steps differ.

Abstract

Error code P0413 means your vehicle's secondary air injection valve A is stuck open or has an electrical issue. This system pumps air into the exhaust to reduce emissions during cold starts. The error is medium severity and may cause failed emissions tests or a check engine light.