Sounds like your float is stuck or the needle and seat is stuck closed. Fuel pump electrical circuit diagnosis no fuel pressure testing gm duration.
Carburetor Holley 570 Cfm Street Avenger Aluminum Vacuum
No fuel to carburetor. This is over the float needle seat on a yf. How to troubleshoot no fuel going to a carburetor step 1. Last pic whop the carburetor with a rubber mallet a few times about the area where my red arrow points. Remove and check all fuel filters located in the fuel line and in the carburetor. Carburettor block under fuel and over fuel causing no start or poor running. 3if flow is below minimum check for fuel restriction.
Tap the top of the carburetor. Inspect the fuel lines for leaks or kinks that might interfere with fuel flow. 1connect hose from carburetor fuel feed line to a suitable unbreakable container and crank engine. The carburetor thinks the bowl is full and wont let more fuel in. Disconnect the hose that connects the fuel pump to the carburetor. Remove spark plug remove fuel line from carburetor and direct line into a container to see if fuel is flowing from pump when engine cranked.
Gm fuel pump relay testing duration. Other engines will require that you remove the line from the carburetor with a wrench. Replace any and all filters. Then take the fuel line off at the carb put end of line in a container of some sort and crank. We look at all the checks you need. If pump is installed correctly and has fuel to the pump from the tank it will spray out.
Fix your fuel system when the carburetor isnt getting gas episode 419 autorestomod so the mach 1 runs until the fuel is drained from the carburetors fuel bowl. Air filter can block causing no start or poor running with black smoke. 2fuel pump should supply 12 pint or more in 15 seconds. Refuelling can often the source of the dirt. Double check to make sure the fuel pump arm is under the cam lobe when to put it in. If there is no restriction check pump pressure andor vacuum.
It is possible to put it on the top then it will not work at all. Remove gas cap momentarily and see if fuel will flow vent in gas cap could be plugged not allowing fuel to flow. Fuel solenoid fail stopping fuel flow not fitted to all mowers intake manifold leak causing engine surging. For rubber lines this will typically involve removing a hose clamp. Place a rag over the end of the open fuel line.
Gallery of No Fuel To Carburetor














