Hyundai Kona Engine

I Was Driving My Car It Started But Then My Radio Was Black And Would Not Turn On. I Turned Off The Car Once Parked, And The Car Would Not...

I Have Looked Everywhere Online, And I Cannot Find Where The Crankshaft Position Sensor Is On My Car. I Do Not Like Taking It To Shops...

I Was Told I Need To Get The Engine Valves Cleaned Because Of Carbon Buildup. What Is The Difference In Having A Professional Do It Or Can...