You May Have Broken A Plug Wire. Gently Remove Each Plug To See If You Haven`t Cracked One, Or Closed The Gap. If They Are OK. You Most Likely Need Wires. Hope This Helps. Replace the spark plug wires. You have one that is bad. Also look for a broken or disconnected vacuum line.
2004 chevy cavalier is idling to high
timing off
Taking your foot off the accelerator.
Try adjusting the idling speed - sounds like idling speed is too low so when you take your foot off the gas it can't idle (Tick over)
It is idling. This is hard for an engine to do smoothly.
Probably wheel bearings or wheels are unbalanced
I'd check the coolant level first, then the thermostat.
There are several things that can cause your Jeep to stall while idling. The timing may be off or your fuel filter may be clogged.
Radiator could be plugged or restricted
If the car dies while idling, the timing might be off. Other causes can include a clogged fuel filter or a bad spark plug.
the coil
There could be many reasons, a vacuum leak is one possibility.