Weed Eater Gas Cap Not Venting

For the carburetor to work these.

Weed eater gas cap not venting.

When the gas inside your stihl chain saw fuel tank heats up it creates pressure inside the tank. The vented gas cap is designed to vent small amounts of air into the car gas tank line. Slide the metal clip over the vent tube and position the clip approximately a quarter of an inch from the end of the tube. Lawnmower fuel cap venting test duration.

This is one way of testing whether or not the gas cap on you lawn mower is venting. If the tank can t vent this added pressure fuel will stop flowing from the tank to the carburetor due to an imbalance in the atmospheric pressure and the tank pressure. Installing the new tank vent 4. Echo string trimmer replace gas cap with seal valve.

A fuel cap that does not vent properly may cause your engine to not run p. I have an extremely large amount of pressure in my tank if i remove either fuel line gas will shoot out at high pressures. The vented gas cap has a one way release valve that is pressure activated. Remove the vent tube from the fuel tank by pulling the tube up and out of the fuel tank grommet.

Install the tank vent. I m wondering if this has anything to do with my priming problems. If your motor runs for a few moment and then dies but starts back up this tip may be for you. This is one way of testing whether or not the gas cap on you lawn mower is venting.

I understand that the gas cap on my weed eater should be vented. When the pressure reaches a certain point defined by so many pounds per square inch the valve opens by a very small amount relieving some of the pressure. Can anyone tell me how to check it though. In this video i show you an easy way to check if your fuel cap is venting properly.

Video showing a gas cap that is not venting causing a fuel starvation problem.