P0014 Subaru Forester
Exhaust Camshaft Position Timing Over-Advanced (Bank 1) · Powertrain Code · High
What is P0014?
The exhaust camshaft timing on bank 1 is more advanced than commanded.
When the Subaru Forester triggers code P0014 (exhaust camshaft position timing over-advanced (bank 1)), it typically points to an issue in the powertrain system. This is a high severity code, so address it promptly to avoid further damage or safety concerns. Below you'll find the most common causes, symptoms, and repair options specific to the Subaru Forester.
Diagnostic data on this page is compiled from publicly available repair resources and technical service bulletins. Always have a qualified mechanic confirm the diagnosis before authorizing repairs on your Subaru Forester.
Common Causes on Subaru Forester
- Exhaust AVCS solenoid stuck in advanced position
- Contaminated engine oil affecting AVCS actuator on FB engine
- AVCS actuator internal wear at high mileage
- Timing chain stretch (less common on boxer engines)
Symptoms
- Check Engine Light on
- Rough or unstable idle
- Stalling at low RPM
- Reduced fuel economy
- Slight rattling from timing chain area
Notes for Subaru Forester
On boxer engines, accessing the exhaust side AVCS solenoid requires more disassembly than the intake side due to the flat engine layout.