Tachometer Check

2012 Mitsubishi Lancer Evolution GSRSECTION Tachometer Check

When the actuator tests (item No. 2) are performed using scan tool MB991958, check that the tachometer indication tolerance is within the standard value.

NOTE: Values in () indicates the reference value.

Standard value: 

ENGINE SPEED CHART

Engine speed (r/min) Indication tolerance (r/min)
600 550 - 650
(2, 000) (1, 950 - 2, 050)
3, 000 2, 950 - 3, 050
(4, 000) (3, 950 - 4, 050)
5, 000 4, 950 - 5, 050
6, 000 5, 950 - 6, 050
(7, 000) (6, 950 - 7, 050)
(8, 000) (7, 950 - 8, 050)
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.