The EFIE is not intended to be a fuel saver by itself. The EFIE is designed to be used in conjunction with fuel saver devices, such as a hydrogen gas electrolyzer, a fuel vapor production unit, or other devices that increase the efficiency of the burn.
EFIE Wideband O2: This EFIE will work with all wideband zirconia type of oxygen sensors (Not AFR). All oxygen sensors that were developed before catalytic converter need to own dedicated EFIE device. Oxygen sensors that were developed after catalytic converter do not need EFIE devices, because they are only used by ECU to monitor converter fuel efficiency.
Features: Soft Start Feature slowly increases the voltages offset when powered ON (For example: O2 sensor warm up delay). Option to disable Soft Start Feature. LED light indicates when the power is ON. Additional Terminal Block makes testing the voltages (offset, input and Special circuit design eliminates variance of actual voltage output, input and offset when using voltmeter. Adjustable offset. Range is adjustable from 0v to 2.5V and from 0v to Normal connection from O2/MAP/MAF sensors to the ECU (vehicle Fine tune with a 24 turn potentiometer. Low current consumption: 25mA (0.025A). Low temperature sensitivity +/- 2mV (0.002V). Operating temperature: -35F to 220F (-37C to 105C). Small size: 2″ x 1.5″ x 0.6 (51mm x 38mm x 15mm).

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