Weed Eater Gas Cap Not Venting

When the gas inside your stihl chain saw fuel tank heats up it creates pressure inside the tank.

Weed eater gas cap not venting.

A fuel cap that does not vent properly may cause your engine to not run p. Video showing a gas cap that is not venting causing a fuel starvation problem. I m wondering if this has anything to do with my priming problems. For the carburetor to work these.

This is one way of testing whether or not the gas cap on you lawn mower is venting. Installing the new tank vent 4. The vented gas cap has a one way release valve that is pressure activated. Slide the metal clip over the vent tube and position the clip approximately a quarter of an inch from the end of the tube.

Remove the metal clip from the end of the vent tube. 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. Remove the vent tube from the fuel tank by pulling the tube up and out of the fuel tank grommet. This particular fuel cap is specific to weed eater poulan husqvarna and paramount.

Rcurren01 rcurren echo srm 225 trimmer you can try with fuel cap off in case the caps vent is plugged not allowing fuel flow and or replace the filer in the tank if you have not already done so still no go if you say primer bulb shows fuel in it and you press the primer bulb say 10x and choke on and still no fuel in engine the carburetor is either not adjusted to allow fuel to enter. 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. Install the tank vent. This is one way of testing whether or not the gas cap on you lawn mower is venting.

In this video i show you an easy way to check if your fuel cap is venting properly. Echo string trimmer replace gas cap with seal valve. I have an extremely large amount of pressure in my tank if i remove either fuel line gas will shoot out at high pressures. Lawnmower fuel cap venting test duration.

If your motor runs for a few moment and then dies but starts back up this tip may be for you.