Intake Valve Lift Range/Performance System
The variable intake valve lift system reports range/performance fault on system. Multiple cylinders or system-wide deviation.
Affected components
- Intake valve lift system
- Vvt system
Common causes
- High likelihood: System-wide mechanism wear
- Medium likelihood: Engine oil pressure low
- Low likelihood: Sensor element aged beyond calibration window
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- Reduced-power or limp mode may occur
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.