The nozzle of a fuel pump is the part that you stick into the opening of your gas tank.
Unscrew the fuel caps, insert the nozzle from the fuel pump, turn on the fuel pump.
It is the nozzle you insert into your fuel tank filler neck to pump gasoline into your vehicle.
Check fuel pump/filter. Sounds like pressure problem. If you are asking about a accelerator pump on a carburetor equipped engine then it is not spraying fuel either because there is no fuel available at the pump or the pump diaphragm is busted.
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Open fuel filler door, remove gas cap, turn on pump, insert gasoline nozzle into fuel filler opening, squeeze handle and fill tank.
You avoid it by looking carefully at the fuel pump and making darn sure you are using the diesel nozzle which is larger than a petrol nozzle.
if your car has a fuel rail under the hood, remove the cap at the end of it. It should look like a tire valve stem. push the nozzle in. Fuel should come out of it. If no fuel comes out, then you have a bad fuel pump.
A fuel nozzle is a spraying device that directs fuel into a specific chamber. This ensures the best flame propagation.
If I'm interpreting your question correctly , you don't have to touch the easy fill system , just stick the gas pump nozzle into the center and when you pull the nozzle out it will seal itself
pump it slower and pull the nozzle out of tank a little while pumping the gas.
Assuming you're talking about the fuel shut-off mechanism that triggers when your tank is full - the pump nozzle is fitted with a sensor that detects when fuel is 'backing up' rather than flowing properly. The device shuts off the valve delivering the fuel from the nozzle - to prevent it spilling over the car and forecourt.
on the back of the jet pump