check the timing belt (least likely)check spark plugs (could be misfiring)get the catalytic converter checked, as it could be clogged and preventing your car from exhausting properly
you can get full diagnostics run on it at any dealership, then taken elsewhere for the actual work, as the Kia dealership I've had my car serviced at charged me $115 to spray brake fluid cleaner on my rear brakes.
Your check engine light will be on and you will feel bucking or jerking while you are accelerating. You will also have an idle surging, sudden stalling of the engine, and a sudden surge in speed while driving on the highway.
Why is oil light on in 2000 sephia
No a bad egr will cause surging at idle or bucking while under light acceleration.
a bad throttle position sensor will cause: transmission shift issues, bucking, jerking, idle surging, engine cuts off, hesitation on take off, surge while cruising down highway. all or part of these symptoms will indicate a bad sensor. not all the time will check engine light be on!! sometime these symptoms will not set a problem code.
I have the same problem, and there are a few sensors that do the same thing on vehicles now days. a bad tps sensor will cause: transmission shift issues, bucking, jerking, idle surging, engine cutoff, hesitation on take off, surge while cruising down highway. all of these symptoms do not have to be presant. a problem code does not light up if problem is not severe, even if codes do not come up you can still have a bad sensor. I have a 2000 Malibu 3.1, the tps is on side of throttle body at throttle plate, it is black and round, I believe the elec, connection has 3 wires!! take out 2 screws holding the tps in, pull off of throttle plate arm, when putting back on make sure you use a new o ring. when putting it on make sure that the throttle plate is closed. HOPE THIS HELPS, CARL
You could have, a check engine light, transmission shift issues, bucking and jerking, idle surging, engine cutting off, hesitation when taking off, surge while cruising down the highway. There are many possible symptoms. You could have any one or any combination of symptoms, or even no symptoms at all except a check engine light.AnswerSee "Related Questions" below for more about the TPS "addtional info" to see if the problem is the tps disconnect the sensor. If you have the same idle your sensor has gone or is going bad.
Get a wiring diagram from MOTORLIT.COM
Have vehicle scanned to determine the problem
The taillights on a 1999 Kia Sephia are replaced through the cars trunk. Remove the plastic covers from the light housings and replace the bulbs.
You will need to remove the dashboard panel in order to replace the electronic throttle control light. With the dashboard panel removed the light can be access to be replaced.
open your trunk there are two srews on the tail light remove them and take them off.
Unplug your battery for a half hour.
That light is the failure indicator for the electronic throttle control system. If the light stays on, the engine computer will have stored a trouble code.That is the indicator for a failure in the electronic throttle system.
Maybe, you may have no throttle response at all depending on the failure.
My 98 sephia is having similar problems. I also have a Check engine light on, so I took it to autozone so they could read it. I was told it was possiby the throttle position sensor and/or the max air flow sensor. Not sure yet, I am looking to both of them right now. Good luck
The electronic throttle control light stays on when the engine computer detects a malfunction related to the throttle system. You need to have the system checked for codes to know possible causes.
When Throttle Position sensor is bad when you step on pedal and it does not move, engine light is on!
It stays on when the computer detects a malfunction in the electronic throttle system.
It is on because the engine computer has detected a malfunction with the electronic throttle control system.
It could be a blown fuse.
Valve train clatter.
It is possible
You probably have a misfire; Have it checked for codes. Most likely you need a tune up.
It is important to pay attention to the warning lights of a vehicle. The fuel light comes on because the car is low on gasoline.
Trouble code P0650 means: Malfunction Indicator Light Control Circuit