Mitsubishi Repair: idling problems, camshaft lobes, vacuum leak

Question
i own a 1990 eclipse gs 2.0 none turbo. when its been sitting for a few hours and you start it up its fine but after a few seconds it starts cutting out and you can smell exaust coming out the exaust and it seems to flood itself out. sometimes it dies when you pull up to a stop sign and its very jerky. ive replaced the fuel pump pressure regulater ignition module wires plugs and still know change. i unplug the idle speed controller on top of the motor and it dosent stabalize the idling at all

Answer
Aron: I would say your computer is messing up, it seems that Mitsubishi farmed the building of their computers out and the company that built them did not built very good ones. When the computer goes; it shows up in the idling or in idling problems. I would go have my computer coded and see if what that tells you. AutoAuto would do that for free. Then here are things my repair manual tells to look for next... vacuum leak, leaking EGR valve, spark plugs fouled, spark plug wires damaged  or shorted, distributor cap/rotor damaged or carbon tracked, fuel pump not delivering enough fuel, leaking head gasket, timing belt and/or pulleys worn and camshaft lobes worn. You should go out and get yourself a repair manual. Can get one at any parts store for around $20.00 and it will walk you through things to check. Hope this helps and good luck!