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P1415 Diagnostic Trouble Code Discussion for November 2011

Secondary Air Injection System (Bank 1)

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Trouble Ticket Help Requests for DTC P1415
Help Request Posted
2001 Land Rover Discovery Series II LE 4.0L MIL Lamp on VIN: SALTH15431
P1415: Secondary air injection passive test. This P1415 keeps coming back. The whole secondary air injection system appears to be working perfectly, there's no cracks in the plastic feed hose (I smoke tested it), the shut valves don't leak, I swapped the downstream oxygen sensors with no change. The o2 s...
November 02, 2011