× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P1490 Diagnostic Trouble Code Discussion for February 2006

EVAP Vacuum Cut Valve Bypass Valve 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 P1490
Help Request Posted
2001 Nissan Sentra GXE 1.8L MIL Lamp on VIN: 3N1CB51D11
P1490: EVAP Vacuum Cut Valve Bypass Valve Circuit Malfunction. I hope someone can help have a sentra here with mil on all the time erase code comes right back on.Idles great run good until around 70-90km if you kick it down there is no power almost feels like exhaust restriction i am a toyota tech and have no resoures on ...
February 06, 2006
2001 Subaru Forester S 2.5L MIL Lamp on VIN: JF1SF65671
P1490: Thermostat Malfunction. ... an intermittent mil. Code P1490 was diagnosed following the proceedure outlined in Shop Key. The cooling fans were working correctly and coolant level and condition good as verified with a refractometer. Installed a new thermostat in car thinking it was ju...
February 26, 2006