Lancer Evolution L4-2.0L Turbo (4B11T/C) (2010)
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Air Bypass Valve: Testing and Inspection
TURBOCHARGER BYPASS VALVE CHECK
1. Remove the turbocharger bypass valve.
2. Connect the hand vacuum pump to the nipple of the turbocharger bypass valve.
3. Apply a negative pressure of approximately 50 kPa (14.8 in.Hg) and check that air tightness is maintained.
4. Also check operation of the valve.
