Quote:
Originally Posted by Harylufa
I forgot to mention something concerning what happen with the fuel filter, I attach a picture where you can see a the fuel filter FULL of gasoline (nafta)
This happen a day after using my car in the road, so when I am in the road the fuel filter is almost empty, I think it is normal, but it fill with gasoline when the engine is cool.
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That does not seem normal. In fact, it seems backwards. When the engine is running the fuel filter should be full of fuel. When the engine stops it would be expected that the fuel might drain out of the filter back down the gas line. The way yours is, I suspect that you may have something plugging up the fuel line from the gas tank restricting the flow of gas when the engine is running. Then, when the engine stops, the gas flows out of the pump to the filter and fills it up.
If you don't get gas flowing out of the end of the fuel line that you disconnected from the carburetor in the flow test I just described, that does not necessarily mean that the fuel pump is defective, especially if the pump creates sufficient pressure. A problem with flow in that test is more likely something pluging the fuel line. That could be a plugged fuel filter or, as was my chronic problem until I replaced my gas tank, crud in the gas tank is plugging up the fuel line where the gas leaves the tank. All of that should be checked before concluding that your pump is bad.