P006C
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.
- Check engine light: Yes
- Emissions related: Yes
- Repair difficulty: medium
Symptoms
- Check engine light on
- Significant power loss / limp mode
- Possible blue or black smoke from exhaust
- Whistling or hissing sound from intake
Common causes
Ordered by how often each turns out to be the cause.
- Charge pipe leak between turbo and intakeCommon
Parts involved
- MAP Sensor
- Turbo Inlet Pressure Sensor
- Charge Pipe
P006C is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.