I need your help. Until two days ago my '84 3.2 was running great. As I was leaving for work the other day, I noticed it hesitated as I pulled away. From then on, as I pull away from a stop, it hesitates and sputters a bit until I get past 2500-3000 rpm. Then it runs smoothly.
Less than 2000 miles ago I replaced fuel and air filters as well as spark plugs and spark plug wires. I have checked for good connections at the spark plugs and injectors to no avail.
What should I check next? HELP!!!!

Thanks loads