EFIE known as Electronic Fuel Injection Enhancers are used to help regulate or adjust the voltage on an oxygen sensor. Most of these dual EFIE circuits or EFIE circuits are to be purchased for water4gas plans or other comparable HHO plans. This module or circuit is usually added between the oxygen sensor and ECU or electronic control unit. This circuit is often added on some vehicles because when an HHO kit is installed the exhaust is so clean that the voltage produced by the O2 sensor can cause the computer to compensate by adding more gasoline to the mix thus reducing gas mileage. An HHO EFIE circuit adjuster is used to aid in this situation. Buy a EFIE Kit to ensure you hydrogen HHO generator system is working at peak efficiency.

HHO EFIE Computer Chip Fuel Saver MAP IAT CTS Wide narrow band oxygen enhancer
HHO EFIE Computer Chip Fuel Saver MAP IAT CTS Wide narrow band oxygen enhancer $49.99
Time Remaining: 20d 10h 44m
Buy It Now for only: $49.99

" TWO "-HHO-HYDROGEN-DRY-CELL-GENERATORS-MODEL 4.5 DIY KIT-EFIE-CC PWM Available
$119.95
Time Remaining: 24d 23h 39m
Buy It Now for only: $119.95

" 2 "-HHO-HYDROGEN-DRY-CELL-GENERATORS-MODEL 4.5 DIY KIT-EFIE-CC PWM Available
$119.95
Time Remaining: 24d 20h 39m
Buy It Now for only: $119.95

TWIN-HHO-HYDROGEN-DRY-CELL-GENERATORS-MODEL 4.5 DIY KIT-EFIE-CC PWM Available
TWIN-HHO-HYDROGEN-DRY-CELL-GENERATORS-MODEL 4.5 DIY KIT-EFIE-CC PWM Available $119.95
Time Remaining: 24d 16h 39m
Buy It Now for only: $119.95

HHO ELECTRONICS FLASH CHIP SAVE FUEL GAS MPG EFIE MAP
HHO ELECTRONICS FLASH CHIP SAVE FUEL GAS MPG EFIE MAP $102.45
Time Remaining: 5d 22h 32m
Buy It Now for only: $102.45

HHO Computer Chip Fuel Saver Efie enhancer
HHO Computer Chip  Fuel Saver Efie enhancer $90.00
Time Remaining: 12d 12h 20m
Buy It Now for only: $90.00

DIGITAL EFIE 1..4-wire O2 OXYGEN SENSOR ENHANCER ADJUSTER HHO CHIP water4gas
DIGITAL EFIE 1..4-wire O2 OXYGEN SENSOR ENHANCER ADJUSTER HHO CHIP water4gas $69.99
Time Remaining: 6d 1h 27m
Buy It Now for only: $69.99

DIGITAL EFIE 5-wire WIDEBAND O2 OXYGEN SENSOR ENHANCER ADJUSTER HHO CHIP
DIGITAL EFIE 5-wire WIDEBAND O2 OXYGEN SENSOR ENHANCER ADJUSTER HHO CHIP $79.99
Time Remaining: 6d 1h 18m
Buy It Now for only: $79.99

MAGNUM DIGITAL EFIE TITANIA TITANIUM O2 OXYGEN SENSOR ENHANCER ADJUSTER HHO CHIP
MAGNUM DIGITAL EFIE TITANIA TITANIUM O2 OXYGEN SENSOR ENHANCER ADJUSTER HHO CHIP $79.99
Time Remaining: 2d 4h 18m
Buy It Now for only: $79.99

MAX STRENGTH ELECTROLYTE HHO-HYDROGEN GENERATORS DRY CELL KIT EFIE CC PWM -40 F.
MAX STRENGTH ELECTROLYTE HHO-HYDROGEN GENERATORS DRY CELL KIT EFIE CC PWM -40 F. $14.95
Time Remaining: 15h 12m
Buy It Now for only: $14.95



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