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Home >> Mitsubishi >> 2004 >> Montero XLS >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Combination Meter ASSY & Vehicle Speed Sensor >> Combination Meter Assembly And Vehicle Speed Sensor >> On-Vehicle Service >> Tachometer Check

Tachometer Check

  1. Attach an external high quality tachometer to the engine speed detection connector on the harness side (such as with a paper clip).
    NOTE: For tachometer check, use an external high quality inductive tachometer.
  2. Compare the readings of the vehicle tachometer and the external tachometer at every engine speed, and check if the variations are within the standard values.

    Standard value: 

    Fig 1: Tachometer Reading And Engine Speed Chart
    G00921017Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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