What does a check engine light mean on a Kia Optima?
A flashing check engine light is your Kia Optima’s way of saying “I have a serious problem, don’t ignore me”. Most of the time, that serious problem is a misfire. This flashing light should not be ignored. When your engine is misfiring, it is dumping raw fuel into the exhaust.
What causes a Kia Optima engine to malfunction?
Have the On Board Diagnostic System inspected as soon as possible by an Authorized Kia Dealer or other competent repair shop. A loose fuel filler cap may cause the On Board Diagnostic System Malfunction Indicator Light () in the instrument panel to illuminate unnecessarily. Always make sure that the fuel
What should I do if my check engine light is still coming on?
Put the keys in your ignition and turn your ignition on and off consecutively after a second in each step. Once it is done, see if the engine check light is still coming on or not. If the check light is off, you are ready to go, but if it is still coming on, get ready by reading the codes with a scanner instead. Let it Go Off Itself
What causes the Check Engine light to flash?
The ignition system is the most common reason that the check engine light will flash. The ignition system consists of spark plugs, plug wires, and the ignition coil packs (older vehicles have a distributer that has the same function as coil packs).
A flashing check engine light is your Kia Optima’s way of saying “I have a serious problem, don’t ignore me”. Most of the time, that serious problem is a misfire. This flashing light should not be ignored. When your engine is misfiring, it is dumping raw fuel into the exhaust.
What causes a Kia Optima engine to misfire?
There are other misfire related codes as well, but those are the most common ones. Keeping in mind that any engine needs air, fuel, and spark for ignition, your Kia Optima’s fuel system can often cause the engine to misfire. It can run too lean or rich.
Why does my check engine light keep flashing?
Use it to find out exactly why your vehicles computer decided to flash this light. The ignition system is the most common reason that the check engine light will flash. The ignition system consists of spark plugs, plug wires, and the ignition coil packs (older vehicles have a distributer that has the same function as coil packs).
How can I reset the Check Engine light on my Kia?
Write down all the codes that are Present or Current. Fix all problems that trigger these fault codes. Go back to the menu and select Fault Fault Codes. This will reset the check engine light on you, Kia. Can’t reset the check engine light? First, you need to fix all the underlying problems that triggered the fault codes.
What are the codes for Kia check engine light codes?
P1633Battery Overcharge P1634Alternator “B” Open (1.8L) P1655Unused Power Stage ‘B’ P1660Power Stage Group ‘B’ P1665Power Stage Group ‘A’ P1693MIL Circuit Malfunction P1743Torque Converter Clutch Solenoid Valve Open Or Short
When does the Kia Optima airbag warning light go off?
Name: Kia Optima airbag warning light. Description: The airbag warning light illuminate for about 6 second, then goes off when the ignition switch or engine start stop button is paced into the ‘on’ position. If the warning light stays on or comes on while driving, there’s a fault with the SRS (supplemental restraint system).
Why does my Kia Optima shake when I ID?
If an oxygen sensor goes bad, it can make your Optima run too lean (or rich). A super lean running engine will often shake when idling. The mixture would be wrong at all RPM, but as the engine speed increases the shaking decreases. 7. Fuel Injectors
Have the On Board Diagnostic System inspected as soon as possible by an Authorized Kia Dealer or other competent repair shop. A loose fuel filler cap may cause the On Board Diagnostic System Malfunction Indicator Light () in the instrument panel to illuminate unnecessarily. Always make sure that the fuel
If an oxygen sensor goes bad, it can make your Optima run too lean (or rich). A super lean running engine will often shake when idling. The mixture would be wrong at all RPM, but as the engine speed increases the shaking decreases. 7. Fuel Injectors
Write down all the codes that are Present or Current. Fix all problems that trigger these fault codes. Go back to the menu and select Fault Fault Codes. This will reset the check engine light on you, Kia. Can’t reset the check engine light? First, you need to fix all the underlying problems that triggered the fault codes.
Why does my Kia Sedona have a check engine light?
Kia Check Engine Light (CEL) (also known as Service Engine Soon SES or MIL) may sometimes turn on and stay on when driving. This problem can effect Kia models such as: Sedona and other models.
Kia Check Engine Light (CEL) (also known as Service Engine Soon SES or MIL) may sometimes turn on and stay on when driving. This problem can effect Kia models such as: Sedona and other models.
What causes Kia Optima to shake when idle?
Spark Plug Wires – While not every model and engine combination of vehicles today comes with spark plug wires (a lot are now coil on plug), if your Optima happens to have them, they can go bad and cause a rough idle. Here’s a great video on how to diagnose bad plug wires with a multimeter. 2. Vacuum Leak
What causes a Kia Optima to run rough?
Crank/Cam Sensor- When the cam or crank sensors are not being read by the ECM/PCM, it’s impossible to get the ignition timing right. If you Optima does start at all, it’ll run rough. It could be a more serious mechanical issue, such as as bent valve, bad lifter, etc….
What does the Check Engine light mean on a Kia Optima?
If this light illuminates while driving, it indicates that a potential problem has been detected somewhere in the emission control system. Generally, your vehicle will continue to be driveable and will not need towing, but have the system checked by an Authorized Kia Dealer or other competent repair shop as soon as possible.
Spark Plug Wires – While not every model and engine combination of vehicles today comes with spark plug wires (a lot are now coil on plug), if your Optima happens to have them, they can go bad and cause a rough idle. Here’s a great video on how to diagnose bad plug wires with a multimeter. 2. Vacuum Leak
Where to find check engine light code on Kia?
When retrieving Kia check engine light codes with an OBD II scan tool, proceed as follows: 1. Connect scan tool to the 16-pin data link connector (DLC) located underneath the steering column. The connector may have a removable cover. 2. Turn the ignition on. 3.
Can a Kia Optima be replaced for free?
KIA replaced the engine free of charge and supplied a loaner. We did have to pay for a new radiator that I believe was damaged during the engine swap. I also replaced the high pressure fuel pump that is located on top of the engine. The fuel pump was the original one that dealer swapped over to the new engine.
When retrieving Kia check engine light codes with an OBD II scan tool, proceed as follows: 1. Connect scan tool to the 16-pin data link connector (DLC) located underneath the steering column. The connector may have a removable cover. 2. Turn the ignition on. 3.
What was the problem with my Kia Optima?
3 days ago – Have a 2013 Optima LX with 60k miles and was travelling from Phoenix, Az to Pittsburgh, Pa. and 3 hrs into the trip engine quit. Metal in oil filter.
What does the maintenance required light mean on a Kia?
The maintenance required light is simply indicating that the car is due for an oil change or other routine servicing. Your Check Engine light will either be orange, yellow, or red, depending on the manufacturer, and it will either be the words ‘CHECK ENGINE’ or it will be shaped as an engine.
There are other misfire related codes as well, but those are the most common ones. Keeping in mind that any engine needs air, fuel, and spark for ignition, your Kia Optima’s fuel system can often cause the engine to misfire. It can run too lean or rich.
How can I read the Check Engine Light code?
You can read Kia check engine light codes yourself using an OBD-II scanner. This method applies only to Kia vehicles that are the model year 1996 and newer. Locate the OBD-II port under the dashboard. Plugin your scanner into the OBD-II port. Turn on the ignition. Do not start the engine.
What are the O2 sensors on a Kia Optima?
The oxygen sensors that are equipped in your Kia Optima are responsible for monitoring the exhaust to help the ECU determine the correct air/fuel mixture. Of all the sensors equipped in your vehicle, the O2 sensors may have it the hardest. They deal with super hot exhaust that can cover them in deposits that can leave them ineffective.
When does the Check Engine light come on?
The Check Engine Light should stay on when you turn the ignition to ON position and until you start the engine, after that the light should turn off. If the light continues to stay on, that means there is a problem and you need to get your car diagnosed.
What does it mean when Kia check engine light comes on?
What does it mean when Kia Check Engine Light comes on? When your check engine light illuminates your Kia vehicle, it means that the vehicle’s Electronic Control Unit (ECU), or computer, which controls many aspects of your Kia’s operation, has found a problem with the engine or emissions system.
How can I Reset my Check Engine light?
The simplest way to reset the check engine light yourself is to use the OBD-II scanner. You can use an inexpensive scanner such as the Autel MaxiScan OBD2 Scan Tool which is a handheld unit or an ELM327 Bluetooth Adapter and your phone. The scan tool plugs into the OBD-II port located underneath the steering wheel.
The oxygen sensors that are equipped in your Kia Optima are responsible for monitoring the exhaust to help the ECU determine the correct air/fuel mixture. Of all the sensors equipped in your vehicle, the O2 sensors may have it the hardest. They deal with super hot exhaust that can cover them in deposits that can leave them ineffective.
What’s the best way to reset a check engine light?
In such a case, it is highly recommended to check the codes with a scanner instead. Switching the ignition on and off is also one method of hard reset without disconnecting batteries. Put the keys in your ignition and turn your ignition on and off consecutively after a second in each step.
What’s the newest version of the Kia Optima?
Kia continues to climb upmarket, and the introduction of the new 2006.5 Kia Optima is a primary example. This newest Optima features new engines that are more powerful and more efficient than before, and a new five-speed automatic transmission that offers improved smoothness, efficiency and acceleration performance.