P2CB7

Symptoms

• Reduced engine power
• Increased fuel consumption
• Unusual noises from the turbocharger area
• Smoke from the exhaust system
• Check Engine Light Illuminates

Causes

• Mechanical damage to the turbocharger
• Leaks in the boost system
• Contamination or jamming of the turbine geometry changing mechanism
• Bypass valve malfunction
• Clogged turbocharger oil passages

How to Fix

1. Visual inspection of the turbocharger and charging system
2. Checking the tightness of all connections and pipelines
3. Diagnostics of the mechanism for changing the turbine geometry (if any)
4. Checking the operation of the bypass valve
5. Replacement or repair of the turbocharger if necessary

Related codes

Error P2CB7 by Vehicle Brand