Powertrain
generic / SAE
P006B
MAP - Exhaust Pressure Correlation
The relationship between manifold absolute pressure and exhaust back pressure is implausible. One of the two pressure sensors is faulty or there is a major leak in either path.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number– / 6B
Possible causes
- Exhaust back-pressure sensor faulty high
- DPF or exhaust path leak medium
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–1500 €
- Estimated time: 1–6 h
- Component: map sensor
- Component: exhaust pressure sensor
- MIL / check engine light
- emissions-relevant
- drive cycle required
Sources
References
sae:J2012