How to fix a Briggs 475 engine that starts when primed but then quits?
My Briggs and Stratton 475 pushmower engine starts up when primed, but then immediately quits, like it isn't getting gas. You can prime it again and it will start back up and then immediately quit again. I just replaced the intake manifold plastic tube, which was cracked. There is oil in the exhaust and carburetor, like the motor was turned upside down. Can you help?
Harold Brewer
July 2010
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