P0021Medium urgency
Intake Camshaft Position Timing Over-Advanced (Bank 2)
Engine · Variable Valve Timing
⚠️ Service within 1 week. Often caused by dirty oil or a stuck OCV — check oil level and condition first.
What this means
The Bank 2 intake camshaft has advanced beyond the ECU target position and cannot be corrected. Excess VVT advance causes overlap issues, rough idle, and misfire codes.
Likely causes
- Stuck-open Bank 2 intake OCVMost common
- Low oil pressureMost common
- Oil sludge in VVT passagesCommon
Estimated repair cost
OCV solenoid replacement$80 – $250
Oil and filter service$40 – $100
VVT actuator$250 – $600
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Frequently asked questions about P0021
What does P0021 mean?
The Bank 2 intake camshaft has advanced beyond the ECU target position and cannot be corrected. Excess VVT advance causes overlap issues, rough idle, and misfire codes.
Is P0021 serious?
Service within 1 week. Often caused by dirty oil or a stuck OCV — check oil level and condition first.
How much does it cost to fix P0021?
Repair costs for P0021 range from $80 – $250 depending on the root cause and your vehicle.
Can I drive with P0021?
You can drive short distances but should have it repaired within 1–2 weeks to prevent further damage.