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P1490 Diagnostic Trouble Code Discussion for June 2010

EVAP Vacuum Cut Valve Bypass Valve Circuit Malfunction


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Trouble Ticket Help Requests for DTC P1490
Help Request Posted
2001 Nissan Frontier SE 3.3L MIL Lamp on VIN: 1N6ED27Y71
P1490: EVAP Vacuum Cut Valve Bypass Valve Circuit Malfunction. ... come on,we scan for codes and found p1441,and po325.well we went after the p1441 code. we found the vacuum cut valve/bypass valve was broken and the evap vent valve was not working because of broken wires.replaced both valve and fixed all wires,got all com...
June 23, 2010