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P1442 Diagnostic Trouble Code Discussion for February 2012

EVAP Vacuum Switch Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1442
Help Request Posted
2005 Lexus GX470 4.7L MIL Lamp on VIN: JYJBT20X45
P1442: Secondary Air Injection System Switching Valve 2 Stuck Closed (Bank 1). Cleared codes. [...] back days later. Can't test any other parts without removing upper intake. Is there a common problem in this system such as the air switching valve no 2 (asv no 2) (bank 2) that is possible stuck? Dealer wants to replace 3 valves, gaskets ...
February 02, 2012