How To Test and Replace EVAP Canister Vent Control Valve P0446

Channel: CarsNToys


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The EVAP canister vent control valve is located on the EVAP canister and is used to seal the canister vent. This solenoid responds to signals from the ECM. When the ECM sends an on signal, the coil in the solenoid valve is energized. A plunger will then move to seal the canister vent. The ability to seal the vent is a necessary part of the diagnosis algorithms for other evaporative loss system components.

Tools Used:
Safety Glasses
Digital Multi-Meter
Vacuum Pump
Alligator Wires

This video is being performed by an experienced tech. Any attempt to repair automotive parts and/or systems carries risk of personal injury. Always adhere and follow safe practices when working on vehicles. Such as, use safety glasses, jack stands, no loose clothing, etc. No guarantee or warranty is implied. Use the information in this video at your own risk.

Publication, reproduction or distribution of this film is strictly prohibited.

This was performed on a 1997 Nissan Maxima. Please check with your vehicle's repair manual for testing parameters.