P0011 Mazda Cx-5
Intake Camshaft Position Timing Over-Advanced (Bank 1) · Powertrain Code · High · Repair: Moderate
What is P0011?
The intake camshaft timing on bank 1 is more advanced than the ECM commanded. Usually caused by a stuck VVT solenoid, dirty engine oil, or timing chain stretch.
When the Mazda Cx-5 triggers code P0011 (intake 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 Mazda Cx-5.
This repair is rated moderate, meaning some experience and specialty tools required.
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 Mazda Cx-5.
Common Causes on Mazda Cx-5
- VVT oil control valve stuck advanced on 2.5L Skyactiv-G
- Oil passages to cam phaser clogged with sludge
- Low oil level causing VVT system to default to advanced timing
- Cam phaser internal wear on high-mileage Skyactiv engines
Symptoms
- Rough idle with noticeable engine vibration
- Poor fuel economy from incorrect valve timing
- Engine stalling at idle or low RPM
- Hard starting especially when engine is warm
- Rattling noise from engine timing area
- Check engine light illuminated
Notes for Mazda Cx-5
Mazda Skyactiv-G VVT valve is the most likely cause; cam phaser failure is rare on these engines.