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P1416 Diagnostic Trouble Code Discussion for November 2012

Secondary Air Injection System (Bank 2)

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Trouble Ticket Help Requests for DTC P1416
Help Request Posted
1996 Chevrolet Impala SS 5.7L Misfire VIN: 1G1BL52P9T
P1416: Secondary Air Injection System (Bank 2). Changed oil and scanned. Found miss fires on bank 2,#1 very many.Looked around rt side found pvc and hose in poor shape and leaking, replaced and miss fire on bank 2 went down, but not enough. When I raise idle miss fire goes away.Fuel trim is at 17 and when I...
November 17, 2012