Having problems with your Chevrolet Cars & Trucks ?

Leaking exhaust flange

\015 P0412 code chevy impala\015 Posted / edited by AnonymousUser on : 12-11-2018

Answers :

P0412 - Secondary Air Injection System Switching Valve 'A' Circuit Malfunction

Possible causes- Faulty Air Pump inoperative
- Air bypass solenoid harness is open or shorted
- Air bypass solenoid circuit poor electrical connection
Repair Help & Product Troubleshooting for Chevrolet Cars & Trucks

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