P0410
NiskiSecondary Air Injection (SAI) System — Fault
OBD-II (EN): Secondary Air Injection System Malfunction
Code P0410 signals a fault in the secondary air system, which reduces emissions during engine warm-up. Check the air pump, check valve, and fuse.
Symptoms
Check engine light, higher emissions on cold start, slightly rough running after start
Possible causes
Faulty secondary air pump, blocked check valve, faulty pump relay, hose leak
Affected systems
Silnik spalinowySystem emisji spalin
Tags and synonyms
Does code P0410 require professional diagnostics?
The code alone is not enough. To find the cause, you need to read live data, check freeze frame conditions, and compare with vehicle behavior. Book a diagnostic session.