Quote:
Originally Posted by sareed
If the carb was plugged, wouldnt it run at all? And why only does it shut off only after the engine heats up? What is an effective way to test the fuel pump? If i override the fuel pump do i have to close up the pump somehow? I think briggs makes a fuel pump you can add onto the fuel line. Would that work?
Scott
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If the needle valve was plugged, it would run long enough to run the bowl dry. Then, the bowl fills and it starts back up. Unless you used a used coil, I don't think this has anything to do with engine temp.
There are several ways to test a fuel pump. IMHO, best was is a small container of fuel. Take both lines off the pump, put longer fuel lines on the pump and set the container lower than the pump. Crank the engine with the suction hose in the fuel, and holding the other one so you can see if it pumps fuel. It will take a few seconds for it to prime, but it should pump fuel.
If you are just bypassing it to test, no you don't have to cap the pump. If you are taking it out of the system and using a different pump (don't know why you would) then I would take it off the block completely, and put a plate over it.
Why on earth would you use a briggs fuel pump? The Kohler ones are still available. If you don't like the price there are others. Some have had bad experiences with aftermarket pumps. I have used both Kohler and aftermarket. Kohler lasts longer. It's worth the $70.