Here's my experience with carbon buildup removal using BG Platinum 44K which claims that it cleans catalytic converter and O2 sensors in addition to the pistons. Is this one of the best carbon cleaner products? Is BG44K worth it? Find out as I show the pistons, O2 sensor and catalytic converter before and after use. If you're looking for how to remove carbon buildup from your engine, this before and after comparison shows what to expect with this product. It does show piston carbon removal and is one of those options for cleaning carbon without removal of parts.

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Other fuel system videos -    • Fuel system and engine cleaners  

Timestamps
0:00 - Intro
0:23 - Piston inspection - Before
1:22 - O2 sensor & catalytic converter - Before
1:52 - Adding BG44K platinum
2:10 - Driving with BG
2:46 - Pistons - After
4:17 - O2 sensor - After
4:29 - Catalytic converter - After
4:43 - Next fuel test

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