Forum Discussion
DrewE
Dec 07, 2017Explorer II
Yes, it's getting spark.
It sounds like it's not getting consistent fuel. I would start by checking for obstructions in the fuel line and where it attaches to the tank, and in the venting of the tank. If those looked OK, I'd tend to suspect the float assembly and associated valve in the carburetor (assuming it has one). If there's a fuel pump of some sort, check that as well. If it runs properly with the fuel cap loose but not when it's properly tightened, it's a pretty sure bet that it's the tank vent that's plugged, and that is a very easy check to make.
It sounds like it's not getting consistent fuel. I would start by checking for obstructions in the fuel line and where it attaches to the tank, and in the venting of the tank. If those looked OK, I'd tend to suspect the float assembly and associated valve in the carburetor (assuming it has one). If there's a fuel pump of some sort, check that as well. If it runs properly with the fuel cap loose but not when it's properly tightened, it's a pretty sure bet that it's the tank vent that's plugged, and that is a very easy check to make.
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