P1452
Secondary Air Injection System Circuit Open
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Check Engine Light Is On
- Loss of engine power
- Unstable idling
- Increased fuel consumption
- Increased emissions
Causes
- Open or short circuit in wiring
- Secondary air pump relay malfunction
- Blown fuse
- Defect of the secondary air pump itself
- Problems with connecting connectors
How to Fix
- Check the integrity of the system fuse
- Inspect the wiring for damage
- Check the operation of the secondary air pump relay
- Test the system pump itself
- Diagnose the engine control unit for errors