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
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.
Why does my Chevy Captiva shake at idle?
An engine misfire is the most common cause of a shaking idle, and as the engine stumbles and misfires, that should be seen in the tachometer as a drop in RPM. If the tachometer is rock steady, and the shaking seems worse in gear than out of gear, that’s a pretty good indication of a bad motor mount.
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
Are there any problems with the Kia Optima engine?
I LATER LEARNED SEVERAL COLLEAGUES HAD THE SAME ISSUE WITH THEIR ENGINES AND GOT IT REPLACED. TAKATA RECALL IN 03/2019 I WENT TO MERGE ON INTERSTATE IN TRAFFIC AND I COULD NOT GET ENOUGH SPEED TO KEEP UP WITH TRAFFIC, THE CAR WAS MAKE A LOUD NOISE AND WOULD NOT GO OVER 30MPH.
How did the Kia Optima ex Turbo get replaced?
The engine on my 2012 KIA Optima EX turbo with over 130,000 miles on it, was replaced free of charge by the KIA dealership. They paid my towing bill, provided me with a very nice sedan rental car and it only took a little over a week to get the new engine installed. The service provided by their service department was nothing short of fantastic.
What kind of noise does Kia Optima make?
THE VEHICLE MAKES THE NOISE EITHER MOVING OR STANDING STILL. THE CAR HAS BEEN MAKING A SPUTTERING/TICKING NOISE SINCE PURCHASE. I HAVE HAD IT CHECKED AT KIA TWICE AND THEY SAY NO ISSUES FOUND. THE NOISE IS DEFINITELY NOT NORMAL, BUT NOBODY WILL DO ANYTHING ABOUT IT.
Why does my Audi A4 shake when idle?
If the vacuum system gets a leak, it will cause a shake when idle. A vacuum leak can be caused by a bad vacuum hose, intake manifold gasket, and other vacuum powered accessories. Diagnosing a vacuum leak can be tricky. Here’s a good YouTube video on how to do just that.
Is there check engine light on Kia Optima?
It’s not happening every time, but when it does the Kia is accelerating with a delay or it seems like it stutters before accelerating. Today for the first time we had the Check Engine Light show up for more than just a few seconds.
Is there a problem with the Kia Optima exhaust?
The problem exists, and if Kia doesn’t make an effort to correct it, someone is going to get killed when they pull onto a busy highway, expecting the car to accelerate properly, only to have it choke, and along comes a tractor trailer that cannot stop and boom-they’re dead. I hope it isn’t me.
Why does my Kia Optima jump at stop signs?
Car jumps at stop signs after taking foot off of brake. Then when accelerating, it acts as though I am flooring it and jolts forwards. Or dies. Whether I’m starting from a stopped position, especially pulling into a busy road way, the car will build up to switch gears to accelerate and then power drops off.
What causes the spark plug to go off in a car?
Air and fuel mix together inside the engine, then the mixture is ignited by the spark plug. The explosion sets the engine in motion, creating the rotational force needed to propel your car down the road. Any issue that throws off the air/fuel mixture – ranging from a failed fuel injector to a vacuum leak – can cause a misfire. 3.
Are there any problems with the Kia Optima?
Let’s take a look at some of the most common problems with the KIA Optima year-by-year- as stated by KIA Optima owners: “My 2017 Kia Optima, [drives with] the engine light comes on at numerous times and when it does it starts to ride rough like it is in the wrong gear, seems like it is ready to die out when slowing down.
How did the Kia Optima catch on fire?
“The contact owns a 2018 Kia Optima. While driving 20 mph, the contact was notified by other motorists that flames were present under the vehicle. The vehicle was pulled over to the side of the road and smoke appeared under the hood. The contact and a pedestrian extinguished the fire.
Why is my Kia not shifting out of Park?
No programming is required to change the brake light switch. The ignition tumbler is worn out – The ignition switch starts your car and, at the same time, locks the steering wheel. Shift interlock solenoid is part of the ignition lock. That’s why the transmission cannot be shifted out of the park when the key is removed.
What does it mean when Kia Optima won’t start?
The first and most common is when it won’t turn over. This just means that the engine doesn’t move when you turn the key. The second way that your Optima won’t start is when the engine turns when you engage the starter, but it won’t fire and run on its own.
What kind of fuel does a Kia Optima use?
Kia Optima: Fuel requirements. Your new Kia vehicle is designed to use only unleaded fuel having a pump octane number ((R+M)/2) of 87 (Research Octane Number 91) or higher.
Do you top off after refueling Kia Optima?
Do not “top off” after the nozzle automatically shuts off when refueling. Tighten the cap until it clicks one time, otherwise the Check Engine light will illuminate. Always check that the fuel cap is installed securely to prevent fuel spillage in the event of an accident.
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.