P0410 – Secondary Air Injection System Malfunction
Description
The secondary air injection system is not functioning properly.
Need More Than Just the Fault Code?
A diagnostic scanner with live data, freeze-frame information and the right system access can help you investigate the actual cause before replacing parts.
Compare Diagnostic ScannersSymptoms
- Rough idle
- Hesitation
- Poor acceleration
- Cold start issues
- Check engine light
Causes
- Faulty air pump
- Stuck check valve
- Vacuum leak
- Wiring issue
- Relay failure
Diagnosis
- Inspect air pump
- Check valves
- Inspect vacuum lines
- Test relay
- Scan live data
Repair
- Replace air pump
- Replace valves
- Fix vacuum leaks
- Repair wiring
- Replace relay
