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P1442 Diagnostic Trouble Code Discussion for March 2010

EVAP Vacuum Switch Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1442
Help Request Posted
2006 Toyota Land Cruiser 4.7L MIL Lamp on VIN: JTEHT05JX6
P1442: Secondary Air Injection System Switching Valve 2 Stuck Closed (Bank 1). I have an 06 landcruiser here that came in with the mil light on for a secondary air injection valve stuck shut. I did a test of the selenoids that run the valves and all seemed good so I removed the intake to test the valves and the pump. The valves tested ok...
March 24, 2010