Hyundai Sonata:  Warped Rotors → Symptoms & Causes

  Rotors are metal discs that are visible behind the Sonata’s wheel. They work together with the calipers and brake pads to slow down your Hyundai Sonata. Due to braking friction, rotors have to withstand and dissipate a tremendous amount of heat. This causes the rotor surface to be uneven making the brake pedal feel … Read more

Hyundai Sonata: Bad Motor Mount → Symptoms + Diagnosis

While your Hyundai Sonata’s engine mounts can last the life of the entire vehicle, it is possible that they will go bad.  Vibration and a clunking sound are the two most noticeable symptoms when driving the vehicle.  There are plenty of visible signs as well. Engine mounts connect the engine to the frame of the … Read more

Hyundai Sonata:  Bad ECM → Symptoms + Diagnosis

Your Hyundai Sonata’s ECM (Engine Control Module) is its brain.  Just like a human’s brain, your Sonata can’t function without it. It is sometimes referred to as the ECU or PCM.  It’s all the same thing. The ECM controls and directs your entire drivetrain (unless there is a serrate transmission controller). When an ECM starts … Read more

Hyundai Sonata P0353 Diagnosis

P0353 is a generic OBD2 code that indicates that ignition coil “C” has an issue with the primary or secondary wiring circuits.  It has the same meaning for the Hyundai Sonata as it would any other vehicle.  It is typically caused by a bad coil pack or wiring harness issue, although there can be caused … Read more