How to Find EVAP Leaks
How to Find EVAP Leaks with Smoke Pro Diagnostic Leak Detectors
Automotive Evaporative Emissions - Part One
From www.autofixworld.com: Part One of a two-part video describes how onboard monitors test vehicle fuel containment systems for fuel vapor leaks. Three types are discussed: pressure test; vacuum test; and natural vacuum leak detection.
EVAP Code P0449
Here is a description and how to diagnose EVAP code P0449
How To Test and Replace EVAP Canister Vent Control Valve P0446
Click Here to Subscribe! http://youtube.com/carsntoys Website: http://carsntoys.net Evaporative Emission (EVAP) Canister Vent Control Valve - P0446 - testing and replacement. 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 Note: 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.