I have a 22r engine. The truck sometimes won’t idle, and will sometimes cut out when I am maintaining speed at low RPM, 2000 or so, the engine will jerks as it cuts in and out. I watched it idle for a bit, and notice that fuel just trickles into the filter, and the fuel that comes out and goes to the carb has bubbles in it. Why the low flow?
Could be a dirty carburetor but sounds more to me like a vacuum leak. Low vacuum on the carburetor would lower the draw.
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