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 MANUALSHONDA2011CR-V EX, 2.4 RE3, MZJAREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMFUEL AND EMISSIONS SYSTEMSSYSTEM DESCRIPTIONVTEC SYSTEM
2011 Honda CR-V EX, 2.4 RE3, MZJA
VTEC System
2011 Honda CR-V EX, 2.4 RE3, MZJASECTION VTEC System
- The VTEC system changes the cam profile to correspond to engine speed. It maximizes torque at low engine speed and output at high engine speed.
- The low lift cam is used at low engine speeds, and the high lift cam is used at high engine speeds.
- The rocker arm oil control solenoid switches the VTEC system on and off; the solenoid is controlled by the PCM.
- The rocker arm oil pressure switch detects VTEC system oil pressure and sends this information to the PCM.ENGINE SPEED CHART
ENGINE SPEED ROCKER ARM OIL CONTROL SOLENOID ROCKER ARM OIL PRESSURE SWITCH INTAKE VALVE LIFT LOW OFF ON LOW HIGH ON OFF HIGH
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.