When the fuel volume exceeds the amount that needs to flow into the carburetor bowl, the third pipe on the filter directs fuel back to the fuel tank (if the line is not restricted). ![]() The factory three pipe fuel filter is actually an asset. Going to drop the gas tank right now to discard pickup tube clogging.Īlberto, you did a very thorough troubleshooting job on this problem. But I'm still getting the pump dry.Īs this is my DD vehicle I'm in a rush to fix this problem asap. Replaced that with the oval hole and side groves. I've rebuilt the carburator and noted the base gasket was just with two barrel holes and no grove on the sides to let vac flow from the port that goes to canister (I think). I've tried removing gas cap with no difference. Routed a new fuel hose to bypass mechanical pump and steel line over the engine. Now at home, tryed a new fuel hose from an external gas tank to the electrical pump. But if I slow down in traffic I will hear the electrical pump is getting dry again. The engine runs great even in hard acceleration when overtaking other vehicles. I've decided to get back home with the single oulet filter setup and both fuel pumps connected in line. Could get the engine running longer but sometimes carb was flooded and sometimes I heared the electrical pump noise which means it is empty. Same behavior after a while.įuel filter replaced with a single outlet one to eliminate return line. Completely dry.Īttached an electrical reciprocating fuel pump. No squirt.ĭisconnected fuel hose at fuel pump inlet. Started troubleshooting by checking the squirts in the carb. Now, regarding the day it completely failed, it was starting and then stallin unless I give it a hard acceleration, then start moving and it would keep the engine running for a while then dies. If I let the jeep sitting overnight, next day will give a hard starting and I have noticed that the carb bowl seems to be empty, as I can see there are no squirts when the pedal is pumping. The engine have been having some abnormal behavior, I've been smelling fuel when I shut off the engine and step out of the jeep, when the tank is not full (say 1/4 of the tank) and I open the gas tank cap it releives a lot of pressure. ![]() Everything was ok until I stoped by a grocery store. Hello people, I've had a hard time traveling in my YJ.
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