Fuel Trims (Wideband and Narrowband O2 Sensors)

Introduction

Introduction to Air-Fuel Ratio/Lambda and Fuel Trims

 

 

Correction (Short-Term) and Learning (Long-Term) Trims

 

 

Hardware Sensors and Software Behavior

Front O2 (Wideband Sensor) and A/F #1

 

 

Rear O2 (Narrowband Sensor) and A/F #3