P0021Severity: Medium
P0021 – Intake Camshaft Timing Over-Advanced (Bank 2)
Intake camshaft timing on bank 2 is more advanced than commanded.
What it means
On V engines, the intake camshaft on the second bank advances beyond the commanded value. Oil flow, the VVT solenoid or phaser can be at fault.
Symptoms
- Check-engine light
- Rough idle
- Loss of power
Common causes
- Faulty VVT solenoid (bank 2)
- Low/dirty oil
- Clogged oil passages
- Worn phaser
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Frequently asked questions
What does trouble code P0021 mean?
P0021 – Intake Camshaft Timing Over-Advanced (Bank 2). On V engines, the intake camshaft on the second bank advances beyond the commanded value. Oil flow, the VVT solenoid or phaser can be at fault.
Can I drive with a P0021 code?
You can usually drive short distances, but it's best to have it checked before it gets worse.