General Information

2012 Mitsubishi Lancer Evolution GSRSECTION General Information

The 4B11 (2.0 L) engine is an in-line four-cylinder engine. The cylinder numbers are assigned as 1-2-3-4 from the front of the engine (timing chain side). The firing order is 1-3-4-2.

ITEM SPECIFICATION

ITEM SPECIFICATION
Type In-line DOHC
Number of cylinders 4
Bore mm (in) 86 (3.39)
Stroke mm (in) 86 (3.39)
Total displacement cm3 (cu. in) 1, 998 (121.9)
Compression ratio 9.0
Firing order 1-3-4-2
Valve timing Intake valve Opens (BTDC) 10° -35°
Closes (ABDC) 62° -37°
Exhaust valve Opens (BBDC) 44° -9°
Closes (ATDC) 0° -35°
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.