TorqueMech OBD Code Guide
P0492 - Secondary Air Injection System Insufficient Flow (Bank 2)
Secondary air injection flow on bank 2 is lower than expected.
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Read code pattern
Check likely system
Estimate after confirmation
Code Overview
Secondary air injection flow on bank 2 is lower than expected.
Common Causes
- Failed secondary air pump or valve
- Restricted air passages or hoses
- Relay, fuse, or wiring issue
Diagnostic Steps
- Inspect pump, valves, and hoses
- Check fuse and relay operation
- Command the system on if supported and confirm airflow
Related OBD Codes
Browse nearby codes when systems overlap.
Next Steps
Move from code to checks, then estimate.