Error code
OBD2 P0492
OBD2P0492
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Secondary Air Injection System Insufficient Flow.
Severity
moderateCan continue driving but may experience reduced performance and increased emissions.
Summary
P0492 indicates insufficient flow in the secondary air injection system on bank 2 of the engine.
Common Causes
- Wiring issues
- Faulty AIR solenoid
- Hose connection problems
- Mechanical faults
Fixes
FAQ
What does P0492 mean?
P0492 indicates a malfunction in the secondary air injection system on bank 2, specifically related to insufficient flow.
How do I fix P0492?
Fixing P0492 typically involves checking and repairing wiring issues, replacing the AIR solenoid if faulty, ensuring proper hose connections, or addressing any mechanical faults in the system.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P0400Exhaust Gas Recirculation Flow
- P0401Exhaust Gas Recirculation Flow Insufficient Detected
- P0402Exhaust Gas Recirculation Flow Excessive Detected
- P0403Exhaust Gas Recirculation Control Circuit
- P0404Exhaust Gas Recirculation Control Circuit Range/Performance
- P0405Exhaust Gas Recirculation Sensor 'A' Circuit Low
- P0406Exhaust Gas Recirculation Sensor 'A' Circuit High
- P0407Exhaust Gas Recirculation Sensor 'B' Circuit Low
- P0408Exhaust Gas Recirculation Sensor 'B' Circuit High
- P0409Exhaust Gas Recirculation Sensor 'A' Circuit
- P0410Secondary Air Injection System
- P0411Secondary Air Injection System Incorrect Flow Detected