98 Dodge Durango 100,600 mi

My check engine light came on while driving, during left hand turn I accelerated while coming out of the turn, the engine raced but I was not accelerating, I let off the gas and tachometer dropped to about 400, heard clicking as if running out of gas and engine was going to shut off, check engine light came on, I let it idle for a few seconds, then it stopped clicking, came back upto about 800rpm and everything seemed fine. Ive had a real hard time starting when its been sitting cold. Engine cranks but takes about 3 tries and 10-15 seconds to start, just replaced spark plugs. The engine will sometimes stutter at a red light. At steady speeds it runs like a champ. Check engine light comes on all the time now. Help!