STALLS COLD SURGES WARM AT SPEED How Come???
When cold stalls while backing up first thing in the morning… sometimes stalls a little when warm after stop and first accelerating… when doing about 65mph, she surges as I lift off the throttle a little or give it light throttle. Does anyone have a good diagnosis and solution?
It may be carburetor adjustments. I don’t think the automatic transmission is at fault.
I replaced the ignition components: electronic control module, spark plugs and wires, distributor cap… also replaced PCV valve, air filter, vacuum hoses. The seal at the air filter housing of one vacuum hose may not be good.
I replaced the fuel pump and fuel filter, plus installed a new second fuel filter.
I thoroughly cleaned the carburetor 3 times, and installed a complete rebuild kit. I left old components on the carburetor like the automatic choke. I may not have set some screws exactly right such as fast idle, and 2 barrel idle. The carburetor components seem to move freely. But, I wonder if I need to sand or crocus cloth the tight pins.
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