Sensors and Electronics

Oxygen Sensor Adjustment - General Information

EFIE: Electronic Fuel Injection Enhancer, Described

Which EFIE Should I Buy? (New!)

Handling Your Vehicle's Electronics To Work With HHO (New!)

Oxygen Sensors, Types of

Wide Band Oxygen Sensors

The New Digital EFIE: How It Works (New!)

New EFIE Product Lineup

What Do I Need To Know About My Oxygen Sensor?

How to Read Your EFIE

Dual EFIE Deluxe Range Adjustment

Notes On The Eagle Resarch EFIE Plans

Installation Instructions

Index of Installation Instructions

Digital Narrow Band Installation Instructions

Wide Band EFIE Installation Instructions

Analog EFIE Installation Instructions

Notes On Circuit Board & Basic Analog EFIE Models

Oxygen Sensor Color Codes

OBD II Scanner Instructions

HHO Systems

What Is Brown's Gas?

How Does HHO Work?

Important: Minimum Safety Circuitry for HHO Installs (New!)

HHO System Debug Checklist (New!)

How Much HHO Should I Use?

References Validating the Technology of HHO

Miscellaneous

Abbreviations

FAQ: Frequently Asked Questions

Recommended Web Sites

A Simple MAF/MAP Enhancer

Tuning For Mileage

Sensor Information Request Form