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 Map Enhancer EFIE Map MAF MINI enhancer
HHO Map Enhancer EFIE Map MAF MINI enhancer $14.50
Time Remaining: 29d 1h 41m
Buy It Now for only: $14.50

OLD SCHOOL AMP GAUGE 30A 12 VOLT HHO / EFIE /30A PWM. FINE INCREMENTS
OLD SCHOOL AMP GAUGE 30A  12 VOLT  HHO  / EFIE /30A  PWM. FINE INCREMENTS $9.75
Time Remaining: 8d 4h 54m
Buy It Now for only: $9.75

AMP GAUGE 30A 12 VOLT HHO / EFIE /30A PWM.
AMP GAUGE 30A  12 VOLT  HHO  / EFIE /30A  PWM. $9.22
Time Remaining: 20d 17h 16m
Buy It Now for only: $9.22

AUTOMOTIVE AMP GAUGE 30A 12 VOLT HHO / EFIE /30A PWM. FINE CALIBRATIONS
AUTOMOTIVE AMP GAUGE 30A  12 VOLT  HHO  / EFIE /30A  PWM. FINE CALIBRATIONS $9.60
Time Remaining: 20d 17h 15m
Buy It Now for only: $9.60

AMP GAUGE 30A 12 VOLT HHO / EFIE /30A PWM. FINE CALIBRATIONS
AMP GAUGE 30A  12 VOLT  HHO  / EFIE /30A  PWM. FINE CALIBRATIONS $8.83
Time Remaining: 20d 17h 6m
Buy It Now for only: $8.83

AMP GAUGE 30A 12 VOLT HHO / EFIE /30A PWM.
AMP GAUGE 30A  12 VOLT  HHO  / EFIE /30A  PWM. $9.99
Time Remaining: 20d 17h 3m
Buy It Now for only: $9.99

AMP GAUGE 30A 12 VOLT HHO / EFIE /30A PWM. FINE CALIBRATIONS
AMP GAUGE 30A  12 VOLT  HHO  / EFIE /30A  PWM. FINE CALIBRATIONS $9.60
Time Remaining: 20d 17h 2m
Buy It Now for only: $9.60

Subaru Forester Impreza Legacy Outback MAP Inspirer Dynamic Chip HHO Kit EFIE
Subaru Forester Impreza Legacy Outback MAP Inspirer Dynamic Chip HHO Kit EFIE $59.99
Time Remaining: 15d 12h 40m
Buy It Now for only: $59.99

Volkswagen Passat Touareg MAP Inspirer Dynamic Chip HHO Kit EFIE
Volkswagen Passat Touareg MAP Inspirer Dynamic Chip HHO Kit EFIE $59.99
Time Remaining: 15d 12h 40m
Buy It Now for only: $59.99

Suzuki Grand Vitara XL-7 MAP Inspirer Dynamic Chip HHO Kit EFIE
Suzuki Grand Vitara XL-7 MAP Inspirer Dynamic Chip HHO Kit EFIE $59.99
Time Remaining: 15d 12h 40m
Buy It Now for only: $59.99



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