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Code

P0011

Variable valve timing

Intake camshaft timing over-advanced — Bank 1

The intake cam is advanced beyond the commanded range.

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Most likely causes

Low or dirty engine oil
Faulty VVT solenoid / oil control valve
Timing chain stretch
Wiring fault

Symptoms you may notice

Check engine light
Rough idle
Poor performance
Higher consumption

Checks to run

Check oil level and condition
Test the VVT solenoid
Verify cam/crank correlation
Inspect timing components

Tools you may need

OBD-II scanner Multimeter

Always diagnose before replacing. Codes share symptoms; confirm the cause with measurements before buying parts.

Related codes in Variable valve timing

Intake camshaft timing over-retarded — Bank 1

Crankshaft / camshaft position correlation — Bank 1

Crankshaft / camshaft position correlation — Bank 1 Sensor B

Intake camshaft timing over-advanced — Bank 2

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