Secondary Air Injection Relay
Critical For OperationEmissions System
Controls the operation of the secondary air injection system.
The secondary air injection relay controls the power supply to the secondary air injection pump, ensuring that fresh air is introduced into the exhaust system to reduce emissions and improve catalytic converter efficiency.
⚠️ Owners Often Notice
If the Secondary Air Injection Relay is starting to fail, these are the signs owners most commonly report before it gets worse:
Check engine light
Failed emissions test
Poor emissions performance
Related Services
Services commonly performed on or around this part.
Replace Secondary Air Injection Relay
No standard interval on file
Inspect Secondary Air Injection Relay
No standard interval on file
Test Secondary Air Injection Relay
No standard interval on file