Fuel system flow problem. Engine will not start and run

@t663s33, Fred Clevenger, You did not state your year/make/model/engine so I will post some what generic answer on fuel issue. Ensure you have good fresh gas and that there is fuel flow from the tank, as there may be an internal screen in the tank plugged. If the engine has a fuel pump, you should not have to prefill lines/filters. Now assuming the engine was running good right up to the end of last season, I would think the engine to be OK. There is a possibility that the carburetor could be dirty or the float stuck not allowing gas to engine. If you can remove the air filter from the engine and squirt about 1/2-1 ounce of fresh gas right into carb.. If engine starts/runs then quits when the added gas burns off, the problem will probably be dirty carb. since you have already addressed filter, fuel lines, pump. If problem persist after carburetor cleaned/rebuilt the new pump may be faulty, vacuum line to pump pinched or plugged. If all looks good and still no go, have the compression checked on the engine to see if rings/pistons worn or possibly valve sticking. Good luck. I hope this helped you out, if so let me know by pressing the helpful button.

My boss has an old Columbia par car. There has been a new car curberator put on an the line from the oil talk has been clamped off so now the gas has to bee mixed in the gas tank. There is a hose that comes from the bottom of the motor to the fuel pump. When it's hooked up it makes fuel squirt out the side of the carburator an it doesn't want to run very good. If you diconnect this line it runs great until all the fuel in the filter is empty then you have to fill it back up to make it pump more fuel into filter. Also why would they clamp off the line from the oil tank that goes to the center of the motor. Is that another carb that has been disconnected or what. I haven't been able to find anything on it. Any help would be greatly appreciated. Also I think the belt that has been put on it isn't the right size cause it doesn't grab til you have it floored then it sounds the tires an takes off but boggs back for an also there is no reverse. It just sits an makes a weird noise I reverse. Tha ks for your time. Vet with to much time on his