P1442 Diagnostic Trouble Code Discussion for May 2012
EVAP Vacuum Switch Circuit Malfunction
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| Help Request | Posted | |
| 2005 Lexus GX470 4.7L MIL Lamp on VIN: JTJBT20X85 P1442: Secondary Air Injection System Switching Valve 2 Stuck Closed (Bank 1). Got a boomerang here. (see original post from 5-9) Replaced the air pump & both rear air valves. Ran vehicle till monitor said complete and sent it out. Mil came back on in a few days, then went off. Came back on again. Did not replace the #1 air valve as ... |
May 11, 2012 |
