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.

AMP GAUGE 30A 12 VOLT HHO / EFIE /30A PWM.
AMP GAUGE 30A  12 VOLT  HHO  / EFIE /30A  PWM. $8.94
Time Remaining: 14d 23h 48m
Buy It Now for only: $8.94

AMP GAUGE 30A 12 VOLT HHO / EFIE /30A PWM.
AMP GAUGE 30A  12 VOLT  HHO  / EFIE /30A  PWM. $9.46
Time Remaining: 14d 23h 40m
Buy It Now for only: $9.46

AMP GAUGE 30A 12 VOLT HHO / EFIE /30A PWM. FINE CALIBRATIONS
AMP GAUGE 30A  12 VOLT  HHO  / EFIE /30A  PWM. FINE CALIBRATIONS $8.56
Time Remaining: 14d 23h 37m
Buy It Now for only: $8.56

AMP GAUGE 30A 12 VOLT HHO / EFIE /30A PWM.
AMP GAUGE 30A  12 VOLT  HHO  / EFIE /30A  PWM. $9.68
Time Remaining: 14d 23h 35m
Buy It Now for only: $9.68

AMP GAUGE 30A 12 VOLT HHO / EFIE /30A PWM. FINE CALIBRATIONS
AMP GAUGE 30A  12 VOLT  HHO  / EFIE /30A  PWM. FINE CALIBRATIONS $9.31
Time Remaining: 14d 23h 34m
Buy It Now for only: $9.31

HHO Map Enhancer EFIE Map MAF MINI enhancer
HHO Map Enhancer EFIE Map MAF MINI enhancer $14.50
Time Remaining: 8d 12h 57m
Buy It Now for only: $14.50

HHO Plus HEC HHO Performance Chip 200 MHz - Any Vehicle
HHO Plus HEC HHO Performance Chip 200 MHz  - Any Vehicle $115.00
Time Remaining: 12d 9h 50m
Buy It Now for only: $115.00

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: 9d 19h 12m
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: 9d 19h 12m
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: 9d 19h 12m
Buy It Now for only: $59.99



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