P0011 Nissan Altima
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 Nissan Altima 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 Nissan Altima.
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 Nissan Altima.
Common Causes on Nissan Altima
- VVT solenoid (intake timing control) stuck in advanced position
- Dirty oil causing VVT system to stick on 2.5L QR25DE
- Low oil level causing hydraulic pressure loss in VVT system
- Timing chain stretch allowing cam to drift into over-advanced position
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 Nissan Altima
Altima/Sentra P0011 usually responds to VVT solenoid replacement and fresh oil change.