Gently scrub the interior using a non-abrasive sponge or dampened rag, paying special attention to stubborn, greasy spots.

We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are under real engine conditions.

Cleaning rust, using penetrating oil, and adding patience help loosen bolts safely without stripping or damaging the hardware. Using the right tools, slow pressure, and controlled heat reduces ...