Code P0420 indicates your vehicle’s Bank 1 catalytic converter isn’t operating at peak efficiency, but exhaust leaks, bad oxygen sensors, or misfires are far more common triggers than a dead converter. Diagnosing and fixing the actual root cause first prevents you from wasting money on an unnecessary converter replacement and you can find links to all the mentioned materials and tools below.
TOOLS USED IN VIDEO:
OXYGEN SENSOR SOCKET: https://amzn.to/4vcHpCq
OXYGEN SENSOR SOCKET SET: https://amzn.to/4eVkO7c
OXYGEN SENSOR WRENCH: https://amzn.to/4wmVEpi
OBDII CODE READER: https://amzn.to/4xZit3N
MATERIALS USED IN VIDEO:
LIQUI MOLY CATALYTIC SYSTEM CLEAN: https://amzn.to/4y1E0Jl
CATACLEAN: https://amzn.to/3YDPgLd
CATALYTIC CONVERTER CLEANER: https://amzn.to/4vaJ0Zz
SPARK PLUG NON-FOULER #1: https://amzn.to/44ciljY
SPARK PLUG NON-FOULER #2: https://amzn.to/4v8K9Rq
SPARK PLUG NON-FOULER #3: https://www.wallmart.com
MY FAVORITE TOOLS:
EVERYDAY WORKING GLOVES: https://amzn.to/3SNKHyl
SNAP UTILITY KNIVE: https://amzn.to/4uGgNt6 / BLADES: https://amzn.to/3QsZrlu
FOLDING UTILITY KNIVE: https://amzn.to/3QKmSXL / BLADES: https://amzn.to/3Q82u2D
FOLDING UTILITY KNIVE & SCRAPER: https://amzn.to/4viiNZV / BLADES: https://amzn.to/3Q82u2D
CARPENTER PENCIL: https://amzn.to/4uLLGwC
MAGNOGRIP MAGNETIC TAPE MEASURE HOLDER: https://amzn.to/4efD3oZ
BUCKET BOSS UTILITY POUCH: https://amzn.to/4gshCT1
TOUGHBUILT CLIPTECH POUCH: https://amzn.to/3ShQAUn
JUKMO TACTICAL BELT: https://amzn.to/4fTpOvu
PAINTING BRUSH: https://amzn.to/4wgUP1p / https://amzn.to/4xTh92L
PAINT ROLLER: https://amzn.to/4w0Przk / https://amzn.to/4ePMjQQ
BRUSH EXTENSION POLE: https://amzn.to/44gfTJb
BRUSH PAIL: https://amzn.to/43IEp5u / LINERS: https://amzn.to/4a79bZq
