Infiniti Error Code P0021: How to Fix It

Q: Can I drive with P0021 code?

You should avoid driving with P0021 as it indicates incorrect camshaft timing that can cause engine damage. Have it diagnosed and repaired promptly to prevent costly internal engine problems.

Q: What causes P0021 in Infiniti vehicles?

Common causes include dirty or low engine oil, faulty VVT solenoid, clogged oil passages, stretched timing chain, or failed camshaft position sensor. Oil-related issues are the most frequent cause.

Q: How much does it cost to fix P0021?

Repair costs range from $150-300 for VVT solenoid replacement to $1500-3000 for timing chain replacement. Most cases involving oil changes or solenoid cleaning cost under $400.

Q: Will P0021 cause my Infiniti to fail emissions testing?

Yes, P0021 will typically cause emissions test failure as it indicates engine timing problems that affect combustion efficiency and emissions output.

Q: Is P0021 the same as P0011?

No, P0021 affects Bank 2 (passenger side) while P0011 affects Bank 1 (driver side). Both relate to camshaft timing being over-advanced but on different cylinder banks.

Abstract

Error code P0021 in your Infiniti indicates that the intake camshaft timing on Bank 2 (passenger side) is over-advanced, meaning the camshaft is rotating ahead of its optimal timing position. This timing issue can cause rough idling, reduced fuel economy, and potential engine damage if left unaddressed.