What should I know about an Explorer's vapor lock?

Answer by  worker2449 (11)

Vapor lock is present in vehicles having a sealed system. All vehicles with emission controls use this system to contain fuel vapors from polluting the environment. The definition of vapor lock , is the fuel system is under a vacuum.. the fuel has run low in the tank that it creates a vacuum. Remove the fuel cap to equalize pressure.

Answer by  Amber40 (24961)

Well vapor lock in any vehicle is caused by the same thing. Fuel gets to hot and causes a the fuel system to stop working. To fix it it the fuel system needs to be moved.