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P1491 Diagnostic Trouble Code Discussion for August 2009

EVAP Vacuum Cut Valve/Bypass Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1491
Help Request Posted
2001 Nissan Sentra GXE 1.8L MIL Lamp on VIN: 3N1CB51D91
P1491: EVAP Vacuum Cut Valve/Bypass Circuit Malfunction. ... not find any info for this code. If you have any info it would be helpfull. I believe P1491 has to do with the canister cut valve found ou improper instalation was the fault please help with info on p1488 Thank you Doc
August 03, 2009