83 Toyota pickup stalling
My 83 Toyota pickup suddenly began stalling yesterday every time I slowed down for a light. The engine sounds rough and/or slow. I can keep it running by running the RPM up a bit. I don't know wh...
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I had a similar problem. If it's the same as mine, the carburetor has two accelerator pumps. One is mechanical and the other is vacuum. The diaphragm in the vacuum actuated pump disintegrated and allowed raw gas to be sucked through the vacuum hose into the intake manifold making the engine run very rich. I pulled the hose off the diaphragm and plugged the end of the hose. This cured the problem. I don't know what the vacuum pump is for, but I didn't notice any difference in performance.
