Order Ford Escape Vapor Canister Valves & Ford Escape Evap Canister Purge Valve Get Ford Escape Evaporative Emission Control Valve. Maintaining the vapor canister valve in your Ford Escape is crucial for controlling emissions and preventing fuel vapor leaks. Regularly inspecting the valve for signs of damage, such as cracks or loose connections, can preempt costly repairs, while replacing the valve at the first sign of trouble, such as difficulty starting the engine or a persistent Check Engine light, ensures peak vehicle performance. When selecting a new valve, opt for OEM-quality options that promise compatibility and durability. These valves often boast superior materials designed to withstand harsh under-hood conditions. For installation, always ensure the valve is securely fastened and connected to avoid any potential issues down the road, thereby enhancing the longevity and reliability of your Escape's emission system.