My '93 240 wagon has a problem starting in the cold, apparently. When you try to start it you get an initial start and a few seconds of rough idle (just a few) and then the engine dies and I can't restart it even if I run the battery dead trying. While cranking it tries to start and does best with the accelerator pedal depressed about half way, and when it does fire like it is going to start, it is so rough it is not like starting at all - just like random firing. If I let it sit about an hour it will do the same thing all over again - initial start for a second or so, then dies, then can't be restarted. I replaced the ignition coil, distributor cap, rotor, plug and coil wires, plugs, rpm sensor, air filter. Starting fluid does not seem to help. On warm dry days it fires right up and runs beautifully.
Any ideas?
Roger
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