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P1416 Diagnostic Trouble Code Discussion for February 2014

Secondary Air Injection System (Bank 2)

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Trouble Ticket Help Requests for DTC P1416
Help Request Posted
2001 Oldsmobile Aurora 4.0L MIL Lamp on VIN: 1G3GS64C61
P1416: Secondary Air Injection System (Bank 2) Malfunction. ... code p1416 Found front air check valve would not hold vacuum. Replaced valve and front o2 sensor. During testing bank one o2 will go to 0 volts and bank two to 30mv when air injection is cycled on with scanner. No vacuum leaks in hoses from solenoid to eit...
February 11, 2014