Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSMITSUBISHI2012LANCER EVOLUTION GSRREPAIR AND DIAGNOSISENGINE MECHANICALMECHANICALENGINE MECHANICAL - LANCER EVOLUTIONGENERAL INFORMATION
2012 Mitsubishi Lancer Evolution GSR
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.