One of the most alarming sounds you can hear from your Kia Optima is the engine knocking. Unfortunately, an engine knock can be a sign of significant engine problems. The first thing you should do is check your Optima’s oil. If it’s low, fill it up. If it appears frothy, there may be coolant getting into … Read more
The mass airflow sensor (commonly abbreviated to MAF) is one of the most important engine management sensors. A bad mass airflow sensor can leave your Kia Optima’s engine running rough, or even inoperable. A MAF sensor measures the density of the air entering the intake manifold. It passes this information onto your Optima’s ECU. … Read more
One of the most inconvenient things that can happen to your Kia Optima is when the speedometer stops working. You don’t realize how much you look at the thing until it’s always sitting at 0 MPH while driving down the road. If your car’s speedometer is not working, it’s usually caused by an issue with … Read more
One of the most inconvenient vehicular problems is when the A/C won’t blow cold air. If your Kia Optima isn’t keeping you cool, we’ve outlined some of the most common reasons why this might be happening. It is entirely possible for your Optima’s heater to work just fine even when the air conditioner is blowing … Read more
Fuel injectors can go the life of a modern vehicle with little to no trouble at all. That being said, bad fuel injectors are one of the more common issues that happen to any vehicle (Kia Optima included). There’s always more than one fuel injector, and even one going bad is enough to make … Read more
One of the most common problems with the Kia Optima (or any vehicle) is when the brakes are grinding. The number one cause of grinding brakes is going to be brake pads that have worn all of their friction material off. But, there are other causes as well. Your Kia Optima is always going … Read more
If your Kia Optima’s steering wheel is shaking, you should deal with it immediately. A shaking steering wheel in the Kia Optima is caused by anything from the wheels and tires through the suspension (ball joints, tie rods, etc.) to the braking system. We’ll start with the easiest things to check and move towards things … Read more
Bad Coil Packs are one of the more problematic ignition issues that can occur with the Kia Optima. A bad oil pack can make your Optima almost un-drivable. Or it may have little effect at all on the engine’s ability to run. It’ll get worse as they lose their ability to fire the spark plugs. … Read more
If your Kia Optima doesn’t start, you’ve found the right article. Many different issues can cause the problem. We cover all the likely ones in an order that makes sense when diagnosing the issue at home. This article is written with the assumption that you are looking for a way to get your Kia Optima … Read more
A bad fuel pump can cause a myriad of problems for your Kia Optima, making it essential to be aware of the warning signs that indicate trouble. Your fuel pump is responsible for pushing fuel from your car’s fuel tank to the engine, but when it starts to fail, your engine may suffer run rough, … Read more