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nonda Auto DIY Center is the biggest auto DIY video center in the World. We have videos to explain auto engine codes and their repairing methods as well as auto-saving videos to help you save money along the way. This video is to show you the cause of the P2440 engine code and its risk level.
Engine Code P2440: Secondary Air Injection System Switching Valve Stuck Open Bank 1
It indicates that the PCM has detected that the switching valve of the secondary air injection system is stuck open on Bank 1.
Replace faulty air injection valve. Replace faulty one-way check valve. Replace faulty air injection pump. Replace faulty pressure sensor
Risk Level:
STOP DRIVING
Repair Immediately
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