MAP - Turbocharger/Supercharger Inlet Pressure Correlation
The relationship between manifold absolute pressure and turbocharger inlet pressure is implausible. Indicates a leak between turbo inlet and intake manifold or a sensor fault.
Affected components
- Map sensor
- Turbo inlet pressure sensor
- Charge pipe
Common causes
- High likelihood: Charge pipe leak between turbo and intake
Possible symptoms
- Check engine light on
- Significant power loss / limp mode
- Possible blue or black smoke from exhaust
- Whistling or hissing sound from intake
Diagnostic notes
- The malfunction indicator lamp may illuminate
- This code can affect emissions
- A drive cycle may be required after repair
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.