Your idle speed maybe a tad low or the FICD valve maybe not be kicking in.
Ignition timing could be off.
EGR valve could be faulty.
PCV valve?
Vacuum leaks.
A bad coil, plug wires, cap and rotor could also be the cause.
Restricted idle passages could cause your problemas as well.
Look for the problems before you start throwing parts and money at the car.
If you have a multimeter you can check the plug wires before you go out and
dish out money for a new pair. No point in replacing parts that are
perfectly good. Diagnose the problem, isolate it and then fix it!
Ken
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