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P1490 Diagnostic Trouble Code Discussion for October 2006

EVAP Vacuum Cut Valve Bypass Valve Circuit Malfunction


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Trouble Ticket Help Requests for DTC P1490
Help Request Posted
2002 Nissan Xterra SE 3.3L MIL Lamp on VIN: 5N1MD28Y0S
P1490: EVAP Vacuum Cut Valve Bypass Valve Circuit Malfunction. Complaint is the MIL comes on. Code p1490 for evap vac cut by-pass valve. Went through the mitchell flow chart and problem is not found at this time. Took a gamble and replaced the valve, reset the MIL and retested the light came back on right away, same code....
October 05, 2006
2002 Nissan Xterra SE 3.3L MIL Lamp on VIN: 5N1MD28Y0S
P1490: EVAP Vacuum Cut Valve Bypass Valve Circuit Malfunction. Complaint is the MIL comes on. Code p1490 for evap vac cut by-pass valve. Went through the mitchell flow chart and problem is not found at this time. Took a gamble and replaced the valve, reset the MIL and retested the light came back on right away, same code....
October 05, 2006