I don't really know what this is, I have looked at a ton of threads and found some similar to my problem but none have been a dead-on match
when I cold start it, it takes a little longer than normal to start up cold than my 89 and it sometimes can catch itself before it dies to idle but most of the time it just goes right to idle at about 600 rpm.
when I warm start it, it cranks for a good 20 seconds before it will start up, it will cough a little before it starts right up
when it starts, it will run no matter what till you turn it off, just as rough in neutral as it is in drive.
the engine runs very well above 1,200 rpm but not below
the CEL comes on below 1,000 rpm probably due to low engine speed but goes right off. above 1,000, its off 100% of the time.
seems to get worse than average MPG but not too bad.
the hoses I have checked look like they are in good shape but I haven't checked/cleaned the CSV, plugs etc.
any ideas?
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