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Warning: Read these instructions completely before attempting to tune with your FAST™ Air/Fuel Meter. Failure to do so may result in damage to your engine and/or vehicle. FAST™ is not responsible for damage or injuries caused by improper use of this unit.
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• With the FAST™ Air/Fuel Meter, you can read two sensors individually or have them averaged together for super accurate readings of the engine’s true air/fuel ratio.
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(Fig. A). When pressed, the L will begin to flash, indicating that you are now recording. The FAST™ Air/Fuel Meter contains enough memory to record up to 50 minutes of data in single sensor mode and up to 25 minutes in the dual sensor mode.
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OEM style air/fuel sensors. This will allow you to use the wide-band style sensor the FAST™ Air/Fuel Meter uses not only to serve the air/fuel meter, but to also run the engine’s computer. This mode is compatible only with pre-OBDII vehicles.
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Limited Warranty FAST, Inc. warrants that all of its products are free from defects in material and workmanship for a period of 1 year from the date of purchase. This limited warranty shall cover the original purchaser. FAST, Inc.’s obligation under this warranty is limited to the repair or replacement of its product. To make a warranty claim, the part must be returned within 1 year of purchase to the address listed below, freight prepaid.