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Analog EFIE Models

EFIE Deluxe Series

Deluxe models include an enclosure, on/off switch, an external adjustment, and test ports where you can plug in your multi-meter leads.

An Electronic Fuel Injection Enhancer is used to adjust the signal from the oxygen sensor(s) before they get to the engine's computer to compensate for an increase in fuel efficiency brought about by another fuel efficiency device. The single version handles one oxygen sensor.

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Each Single EFIE Deluxe comes with:

1. An external voltage adjustment screw, so you can adjust the amount the EFIE modifies the oxygen sensor's output.

2. Two ports that accept multi-meter test leads, and hold them snugly so you can read the adjustments you're making without having to hold the leads (or open the box).

3. An on/off switch.

4. An enclosure with mounting flanges, to secure your EFIE to your vehicle.

5. Five feet of cable.

Dual EFIE Deluxe

Each Dual EFIE Deluxe comes with:

1. External voltage adjustment screws, so you can adjust the amount each EFIE circuit modifies its oxygen sensor's output.

2. Two ports for each EFIE circuit that accept multi-meter test leads, and hold them snugly so you can read the adjustments you're making without having to hold the leads (or open the box).

3. An on/off switch.

4. An enclosure with mounting flanges, to secure the EFIE to your vehicle.

5. Five feet of cable.

EFIE Basic Series

These models are the same electronics as the Deluxe series. However, instead of a case, the circuit board is dipped in rubber. The adjustment potentiometer is mounted on the board. These units do not have the conveniences that the Deluxe series models have, but are also more economical. For most customers we recommend the Deluxe series for its ease of use in setting and maintaining.

The Single EFIE Basic is a rubber dipped circuit board that has 5" hookup wires for connection to: a) Power, b) Ground, c) Oxygen Sensor, and d) Computer. It has an on-board potentiometer to set the amount that the EFIE will alter the sensor's signal. When power is removed from the EFIE circuit board, its relay will switch the EFIE out of circuit, and re-connect the oxygen sensor signal wire to the vehicle's computer (the same as before the EFIE was installed).

Dual EFIE Basic

The Dual EFIE Basic is a rubber dipped circuit board that has 5" hookup wires for connection to: a) Power, b) Ground, c) Oxygen Sensor, and d) Computer. The dual model has 2 sets of sensor and computer wires. It has two on-board potentiometer to set the amount that the EFIE will alter each sensor's signal. When power is removed from the EFIE circuit board, its relays will switch the EFIE out of circuit, and re-connect the oxygen sensor signal wires to the vehicle's computer (the same as before the EFIE was installed).

EFIE Circuit Boards

This series includes just the circuit board for an EFIE. The customer must provide his own enclosure, switch, and means of connecting your multi-meter leads to adjust the EFIE. The same circuit board is used as in all other EFIE models. It works just as well. It is only missing the conveniences found in the Deluxe series, or the protection provided in the Basic series models.

Single EFIE Circuit Board

The Circuit Board series includes just the circuit board with 5" hookup wires for connection to: a) Power, b) Ground, c) Oxygen Sensor, and d) Computer. It has a potentiometer mounted on the PCB (Printed Circuit Board) to set the amount that the EFIE will alter the sensor's signal. When power is removed from the EFIE circuit board, its relay will switch the EFIE out of circuit, and re-connect the oxygen sensor signal wire to the vehicle's computer (the same as before the EFIE was installed).

The board dimensions are: 1-1/6" (W) x 2-1/8" (L) x 11/16" (H). The length dimension includes the wiring harness.

Dual EFIE Circuit Board

The Circuit Board series includes just the circuit board with 5" hookup wires for connection to: a) Power, b) Ground, c) Oxygen Sensor, and d) Computer. The dual version has 2 sets of sensor and computer wires. It has two potentiometers mounted on the PCB (Printed Circuit Board) to set the amount that the EFIE will alter the sensor's signals. When power is removed from the EFIE circuit board, its relays will switch the EFIE out of circuit, and re-connect the oxygen sensor signal wires to the vehicle's computer (the same as before the EFIE was installed).

The board dimensions are: 1-7/6" (W) x 2-3/8" (L) x 11/16" (H). The length dimension includes the wiring harness.

Click here to view more FAQs on our EFIE products. Overseas Solutions Services offers a 180 day warranty on all products. To view our warranty, click here.

Standard Installation Instructions below:

Generic Standard Low KOH with Amp

Generic Double Low KOH with Amp

Generic Standard Low KOH with LED Meter

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