09 grand caravanreplaced a ckp sensor,now it is still bucking and cutting out.

Question

car has been seen by a mechanic ,replaced a ckp sensor, worked for about a week.
now the check engine light is back on and the same symptoms are back bucking and stalling!
the esp(traction control) light came on as well the last time. 130,000 (80k miles).
Just replaced the plugs and wires before this started.