my 92 is running poorly, when min speed shift to high gear about 40 mph level speed or very slight acceleration i get a slight miss RPM goes up and down, soon as more acceleration is applied it takes off ok and seems to run pretty well, not sure whats going on and have no cel light on, i recently replaced spark wires and rotor and cap as well as plugs. , what do you guys think??
Frank allen 92 LX automatic

 

Since you have an automatic...this almost sounds like the transmission is starting to slip.

When was the last time you replaced the transmission fluid?