"Oxygen Sensors Demystified: How They Work & Why They're Crucial for Your Engine" Learn how oxygen sensors keep your engine running efficiently! This video covers their role in fuel mixture control, how they generate voltage signals, and key maintenance tips to avoid common pitfalls. A must-watch for mechanics and car owners alike! Key Insights: 1. Core Function: The oxygen sensor detects oxygen levels in exhaust gases to help the ECU maintain the ideal air-fuel ratio (14.7:1) for optimal combus