Hello' I've got 323(m52)now in the moorning the car could'nt idle.I disconnect the air sensor,then it idle at 500rpm &600rpm.after few minutes it start to go up & down,then I put back sensors it becomes fine.but stil at around 600rpm.I've checked for leaks,I can't find any.when u drive it & park it after few minutes it won't start,u have to wait until it's cold.I'changed the battery & the solenoid on the starter,but stil.any body with a help.please!