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Re: Were does the fuel pump get its vacume from, on a...
Well its a pump their isn't really a vacuum their is pressure do to v.o.c's but not enough to push fuel to the engine it needs to be pumped out at about 60 p.s.i
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How long does it run before you get bubbles? Sounds like the line is too close to something hot enough to boil the fuel, what mechanics call "vapor lock" Reroute the line or insulate it.
Hey Marty,
An internal combustion engine requires three things to run..(if all the internals are good)..
1. A properly timed spark.
2. Adequate compression (>120psi).
3. Proper air/fuel mixture.
Start by eliminating one of these at a time...(get a professional to clean and set the carb), install a new spark plug. Get a new fuel line.
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