Fuel Trims – Oxygen Sensor Basics—How They Work and How to Test and Diagnose Them (O2, HO2S)
1:18:30
Fuel Trims—The Wideband Air/Fuel Ratio Sensor, Operation and Diagnostics (A/F, AFR, UEGO)
49:45
Understanding Short Term and Long Term Fuel Trim (a SD Premium video)
18:39
Diagnosing O2 Sensors
8:47
Don't Buy Oxygen Sensors! How to test o2 sensor
1:08:25
Fuel Trims-- Mass Air Flow (MAF) Case Study Diagnosis (P0171, P0172)
27:41
Secret of Engine Problem Diagnosis- Fuel Trims Pt.1
16:19
Engine Sensors - Basics. 3D Animation
49:05