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87 244 rough running at start 200 1987

The engine starts almost immediately but then stumbles for probably thirty seconds or more before it smooths out. By stumbling I mean it's barely running as if it will stall any moment. If it doesn't sit too long before restarting it starts right up.
As near as I know there is no cold start injector, this is the LE 2.2 system and if I'm reading the manuals right this system doesn't use one.
The cap rotor wires and plugs were recently replaced also.
I had the plugs out to check for flooding but didn't see any evidence, I also checked for gas in the crankcase by checking for the level to increase and also tried lighting the oil on the dipstick and I don't think the problem is there. However reading some of the posts on here there is mention of an "o" ring in the distributor that may leak and soak the components in the distributor. I'm not sure about this but I'm going to check tomorrow.
I'm also pretty sure that I've cleaned all the grounds I could find.
I haven't put a test light on the fuel pump yet to confirm that it's running when the engine starts but I'll do that tomorrow too.
Thanks for all your replies, this has me pretty well stumped.






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