EFIE Documents

Oxygen Sensor Adjustment - General Information

EFIE: Electronic Fuel Injection Enhancer, Described

EFIE Installation Instructions

Notes On Circuit Board & Basic EFIE Models

New EFIE Product Lineup

What Do I Need To Know About My Oxygen Sensor?

How to Read Your EFIE

How to Adjust the Range of the EFIE

Advanced EFIE Design

Miscellaneous

Abbreviations

Recommended Web Sites

References Validating the Technology of HHO

What Is Brown's Gas?

How Much HHO Should I Use?

Tuning For Mileage