P006CMAP - Turbocharger/Supercharger Inlet Pressure Correlation
- Generic OBD-II code · Powertrain
- Turns on the check-engine light
- Matters for the ITP
- Needs a drive cycle to confirm a fix
- How the car detects it
- On turbocharged or supercharged engines the control module compares manifold pressure with the pressure measured upstream of the throttle, for example at idle or with the throttle wide open, where the two must lie close together. P006C is set when the difference exceeds a threshold. Manufacturers interpret "inlet pressure" differently: some mean boost pressure upstream of the throttle, others the pressure at the compressor inlet. Typical causes are a leak in the charge-air path or a faulty pressure sensor. Each sensor can be electrically fine on its own; regulations require such plausibility checks for input sensors with a code of their own.
- What you may notice
- Check engine light on
- Reduced power possible
- Hissing from a charge-air leak
- Likely causes
- LikelyLeak or disconnected hose in the charge-air path
- PossibleBoost or inlet pressure sensor faulty
- PossibleManifold pressure sensor faulty
- RareThrottle body fault
- Inspection (ITP)
- Matters for the ITP. While the check-engine light is on, the car fails the emissions check.
- Repair
- Medium · Often possible to do yourself.Typical cost: €40 – €250
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.