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.
Diagnostic Test
- CHECK EGR VOLUME CONTROL VALVE-1
With CONSULT
- Turn ignition switch ON and engine stopped.
- On the CONSULT screen, select "ENGINE">>"ACTIVE TEST">>"EGR CONTROL VALVE".
- Operate "Up" or "Down", set "EGR VALVE POSITION" to 0 deg, and check value of "EGR VALVE POSITION SEN".
Does value become 1.2+-0.15 V?
YES
GO TO STEP 2 .
NO
Replace EGR volume control valve. Refer to REMOVAL AND INSTALLATION .
- CHECK EGR VOLUME CONTROL VALVE-2
With CONSULT
- Operate "Up" or "Down", set "EGR VALVE POSITION" to 70 deg, and check value of "EGR VALVE POSITION SEN".
Does value become 4.0+-0.15 V?
YES
INSPECTION END
NO
Replace EGR volume control valve. Refer to REMOVAL AND INSTALLATION .
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.