1997 Hyundai Elantra "idling problems" Questions

IDLE PROBLEM AM HAVING PROBLEMS WITH MY IDLEING ON MY CAR. CHANGED IDLE SENSOR STILL DOING THE SAME THING. SOME PEOPLE TOLD ME TO CHANGE THROTTLE BODY. WHEN THE CAR WARMS ON IT DROPS FROM 4K RPM TO 2K

i have a 2001 hyundia elantra problem i am having is weather it has just been started or is up to operating temp. it will rev to almost 3k then down to 1500then back up to 3k then back down i believ ...

Hi I have a 1992 1.6Litre Lantra that was bought to do up. It has a problem with constant white smoke comming out the tail pipe. Also there is a problem with the idle, when it first starts the idle is

...now the high idle when the engine has warmed up but if i press gas pedal for a higher idle the high idling eventually stops mantaining a normal idle and continues on like that high idle and normal ...

My 2001 Hyundai Elantra has an Idle surge that occurs when I start up, while I drive but mostly as I come to a stop. The engine rev's to 2500-3000 rpm, then goes down to 1500 or so then back up to ...

I have a 2001 Elantra GLS that keeps misfiring. I had it to the service and they did a tune up with plug assy, cable set and coil assy. It ran good for a few weeks, but now it's the same problem. Low ...

...problems like coughing, will just be idling at the lights and press the pedal, and nothing! DOES THE ENGINE MIL WARNING LIGHT COME ON? WITH OUT MORE INFO YOU NEED TO CHECK MOTOR ON A CODE READER FOR ...

31000 miles 2006 elantra, regular up keep...Engine light on... Just came on yesterday..car is idling about 500 rpms then normal and when put into gear the rpms seem to sputter like the car can't keep ...

IDLE PROBLEM... WHEN I TURN ON MY CAR FOR THE FIRST TIME IN THE DAY IT REVS AT 4K RPMS THEN WHEN ITS WARM UP IT DROPS SLOWLY TO 2K RPMS.. CHANGED IDLE SENSOR AND STILL DOING THE SAME THING. 1990 CIVIC

i change coil pack,transmission speed sensor but the engine still in rough idle rough idle,and when i shift to reverse or drive the engine more rough,i change the coil pack and transmission speed ...