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P1442 Diagnostic Trouble Code Discussion for March 2013

EVAP Vacuum Switch Circuit Malfunction


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Trouble Ticket Help Requests for DTC P1442
Help Request Posted
2005 Toyota Sequoia Limited 4.7L MIL Lamp on VIN: 5TDZT38A45
P1442: Secondary Air Injection System Switching Valve 2 Stuck Closed (Bank 1). ... efficency b2, p1441, p1442, p1444, and p1445 for air injection switching valve #2 stuck open and closed. Replaced cat and switching valves. Car came back in one week later with code p1442 #2 switching valve stuck closed b1. Tested system with mastertech sc...
March 04, 2013
2005 Toyota Sequoia Limited 4.7L MIL Lamp on VIN: 5TDZT38A45
P1442: Secondary Air Injection System Switching Valve 2 Stuck Closed (Bank 1). ... efficency b2, p1441, p1442, p1444, and p1445 for air injection switching valve #2 stuck open and closed. Replaced cat and switching valves. Car came back in one week later with code p1442 #2 switching valve stuck closed b1. Tested system with mastertech sc...
March 04, 2013