There are several instances where knowing the location of cylinder number 1 matters, especially for DIY enthusiasts. It's not just trivia, but crucial when diagnosing engine misfires, replacing spark ...

As someone who knows very little about cars, doing it myself always feels very risky. Case in point, I don’t think I’d have to guts to do what’s being done in this video by TikTok user @theboojmeister ...