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Single EFIE Circuit Board

Price: $20.00

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.

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, it's 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.

Please see the following articles for more information:
  1. What Do I Need To Know About My Oxygen Sensor?
  2. Oxygen Sensor Adjustment - General Information
  3. EFIE: Electronic Fuel Injection Enhancer, Described
  4. New EFIE Product Lineup

Add to Cart:

  • Shipping Weight: 0.07lbs
  • 472 Units in Stock

Qty Discounts Off Price
1
$20.00
2-4
$18.60
5-9
$17.00
10+
$15.00

This product was added to our catalog on Thursday 21 February, 2008.

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