Thread: my engine just cut out what do i do

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Definitely sounds like fuel delivery. Residual pressure slowly fills the float bowl when you shut down, allowing you to see the squirt when pumping the gas however; under load the fuel is not keeping up. Several things to try:

Remove the coil wire so the engine can’t fire. Disconnect the fuel line at the inlet to the carb place a can under the line. Have a friend give the starter a short crank to clean any debris out of the line.

You didn’t say what type carb you’ve got. If you have a filter at the carb, check it out and make sure there is no blockage.

Did you take the carb off the manifold? If so – there may be a possibility (as stated above) that float(s) are hung or sticking. To check them, you’ll need to open the top of the carb and check the float through its entire range to make sure it is not sticking. Also check the float valve and seat and screen – if you have an Edelbrock, see assembly 27 below. Other carbs will be similar.

Good Luck,
Glenn

p.s. - don't forget to hook the coil back up!