:wrench:DIY methods like chemical sprays are not effective in removing carbon buildup on intake valves.
:money_with_wings:Professional methods like media blasting provide the best results for cleaning intake valves.
:car:Engine maintenance, including using high-quality fuel and regular oil changes, helps prevent carbon buildup.
:hourglass_flowing_sand:Carbon buildup on intake valves can cause misfires and damage to the catalytic converter.
:nut_and_bolt:Manual valve scraping and media blasting are the most effective methods for cleaning intake valves.