Fault Code P0411
Code meaning, symptoms, possible causes, part number, and estimated cost.
P0411
Secondary Air Injection System Incorrect Flow Detected
Incorrect flow in secondary air injection system
Part Details
Part Name
Secondary air pump / valve
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪500 - ₪1,500
Engine Location
Near engine
Symptoms
- Check Engine light
Possible Causes
- 1Cracked hose
- 2Faulty check valve
- 3Weak pump
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