DASH LIVE #4 - Catalytic Converters Fault Code - This is Going to Cost Big Bucks! HD

If your post 1996 beloved vehicle is getting close to that 100,000km mark there’s a chance that it will throw an engine light. If you own a Y62 Nissan Patrol it’s only a matter of time. P0420 is one of the most common fault codes which relates to your expensive catalytic converters. I’ll show you how to diagnose between a real fault with the cats or just a bad O2 sensor. Check it out