P0014
Medium SeverityExhaust Camshaft Position Timing Over-Advanced (Bank 1)
Engine System
P0014 — Instant Answer
Exhaust Camshaft Position Timing Over-Advanced (Bank 1)
Severity: MEDIUM SEVERITY
Meaning: The exhaust camshaft on bank 1 is more advanced than the ECM expects. Usually caused by sludged oil blocking the VVT actuator or a stuck solenoid.
Safe to drive? Usually yes with caution, but confirm root cause before long trips.
Estimated repair cost: $30 - $150
Most common causes:
- 1. Dirty engine oil (35-45% of cases)
- 2. Stuck VVT solenoid (35-45% of cases)
- 3. Worn timing chain (10-25% of cases)
- 4. Blocked oil passage (10-25% of cases)
Common Causes
How to Diagnose P0014
- 1Change engine oil if overdue
- 2Test VVT solenoid
- 3Check for sludge in oil passages
- 4Inspect timing chain
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Related Codes
The intake camshaft on bank 1 is more advanced than the ECM commanded. This typically means the VVT system is stuck or the oil flow is restricted. Often caused by dirty oil or a stuck VVT solenoid.
The ECM detected a fault in the exhaust camshaft VVT solenoid circuit on bank 1. This solenoid controls exhaust valve timing for optimal performance and emissions.
The intake camshaft on bank 1 is more retarded than commanded by the ECM. This reduces engine performance and efficiency. Often related to oil viscosity issues or a failing VVT actuator.
Frequently Asked Questions
- Will P0014 cause damage?
- If left unfixed, P0014 can lead to poor performance and potential timing chain wear. Fix the underlying oil or solenoid issue promptly.
- Can dirty oil cause P0014?
- Yes, dirty oil is the #1 cause. Sludge blocks the VVT solenoid and passages, preventing proper camshaft timing.
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Author & Review
Written by AllOEMManuals Editorial Team. Reviewed by ASE-certified technicians and updated with factory-reference checks for fitment-sensitive steps.
This guide was drafted with AI assistance and reviewed for accuracy by a human editor.
Last updated: 2026-05-07