Hyundai Sonata:  Reduced Engine Power Diagnosis

  One of the most annoying things that can happen when we are driving our vehicles is when we get the reduced engine power light.  Most of the time, reduced engine power doesn’t make commuting home possible since the max speed your Hyundai Sonata will reach is not going to be enough to keep you … Read more

Hyundai Sonata: Black Exhaust Smoke → Symptoms & Diagnosis

Black smoke coming from your Hyundai Sonata’s exhaust is definitely a concerning problem.  Different colored exhaust can mean different things.  Black smoke is typically of greater concern than white smoke. Dark black smoke coming from the exhaust of your Sonata indicates that there could be a serious engine problem, and indicates that the air/fuel mixture … Read more

Hyundai Sonata Engine Knocking Causes + How to Fix

One of the most alarming sounds you can hear from your Hyundai Sonata 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 Sonata’s oil. If it’s low, fill it up. If it appears frothy, there may be coolant getting into … Read more

Hyundai Sonata: Bad MAF Sensor → Symptoms & Causes

  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 Hyundai Sonata’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 Sonata’s ECU. … Read more

Hyundai Sonata Speedometer Not Working: Causes + How to Fix

One of the most inconvenient things that can happen to your Hyundai Sonata 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

Hyundai Sonata AC Not Cooling:  Why and How to Fix

One of the most inconvenient vehicular problems is when the A/C won’t blow cold air. If your Hyundai Sonata 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 Sonata’s heater to work just fine even when the air conditioner is blowing … Read more

Hyundai Sonata: Brakes Grinding  → Causes & Diagnosis

  One of the most common problems with the Hyundai Sonata (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 Hyundai Sonata is always going … Read more

Hyundai Sonata’s Steering Wheel Shaking: Every Reason Why

If your Hyundai Sonata’s steering wheel is shaking, you should deal with it immediately. A shaking steering wheel in the Hyundai Sonata 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

Hyundai Sonata: Bad Coil Packs → Symptoms and Diagnosis

  Bad Coil Packs are one of the more problematic ignition issues that can occur with the Hyundai Sonata.  A bad oil pack can make your Sonata 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