P1491 Diagnostic Trouble Code Discussion for April 2010
EVAP Vacuum Cut Valve/Bypass Circuit Malfunction
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P1491
| Help Request | Posted | |
| 2000 Nissan Sentra GXE 1.8L Poor Idle Quality, Hesitation, Cuts out VIN: 3N1CB51D8Y P1491: EVAP Vacuum Cut Valve/Bypass Circuit Malfunction. Vehicle came in with complaint of intermittent no power. I was able to confirm on a test drive and in the shop. At wot I was holding at 20 mph. TPS , intake temp, coolant temp all looked normal. Maf reading looks erratic and tops out at 2.8 volts while rpm top... |
April 23, 2010 |
