Cold Start B Camshaft Position Timing Over-Advanced Bank 1
Cold Start B Camshaft Position Timing Over-Advanced Bank 1: the control module has detected this fault condition. This relates to engine timing; a fault can cause rough running, a no-start, or timing errors.
Affected components
- Cam phaser b b1
- Oil supply
Common causes
- High likelihood: Phaser stuck in advanced position
Possible symptoms
- Check engine light on
- Power loss especially in mid-rpm range
- Possible rough idle or stalling
- Increased fuel consumption
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
Related codes
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.