This is one way of testing whether or not the gas cap on you lawn mower is venting.
Weed eater gas cap not venting.
Remove the vent tube from the fuel tank by pulling the tube up and out of the fuel tank grommet.
When the gas inside your stihl chain saw fuel tank heats up it creates pressure inside the tank.
Installing the new tank vent 4.
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.
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.
For the carburetor to work these.
This particular fuel cap is specific to weed eater poulan husqvarna and paramount.
Can anyone tell me how to check it though.
A fuel cap that does not vent properly may cause your engine to not run p.
Lawnmower fuel cap venting test duration.
This is one way of testing whether or not the gas cap on you lawn mower is venting.
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.
I have an extremely large amount of pressure in my tank if i remove either fuel line gas will shoot out at high pressures.
Video showing a gas cap that is not venting causing a fuel starvation problem.
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.
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.
I understand that the gas cap on my weed eater should be vented.
Install the tank vent.
The vented gas cap has a one way release valve that is pressure activated.