Engine Sensors & OBD-II Codes Explained: Master MAF, MAP, O₂, TPS, ECT, Fuel, Timing, EVAP & ADAS Sensors with Real Symptoms, Trouble Codes, Fixes, Live Data Patterns & DIY Flowcharts Paperback – January 10, 2026

STOP GUESSING. START DIAGNOSING. SAVE HUNDREDS ON REPAIRS.Tired of expensive repair bills and mechanics who "parts-cannon" your car without finding the real issue? The "Check Engine" light shouldn't be a mystery. This guide puts professional-level diagnostics in your hands.Written by Madhurjya Dutta (founder of OBDCode.org), this book teaches you the root-cause analysis used by pro technicians to find problems fast.Inside, you’ll master:• OBD-II Codes: What they actually mean (beyond the code reader).• Live Data & Fuel Trims: Catch hidden issues before they trigger a light.• Sensor Testing: Step-by-step guides for MAF, O2, Map, ECT, and more.• Multimeter Basics: How to test sensors like a pro without special tools.• Symptom Guides: Quickly identify vacuum leaks, misfires, and rough idles.Most manuals tell you WHAT to replace. This book teaches you HOW to diagnose.Whether you’re a DIYer looking to level up or a car owner tired of being overcharged, this book pays for itself with your very first repair.Stop guessing and take control of your car’s health. Scroll up and grab your copy today! Read more