Powertrain
generic / SAE
P0476
Exhaust Pressure Control Valve A Range/Performance
Exhaust pressure control valve A is electrically OK but does not move as commanded.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number4 / 76
Possible causes
- Carbon buildup restricts movement high
- Sensor element aged beyond calibration window low
- Sensor mounting loose - signal damping low
Inspection / repair
- Difficulty: medium
- DIY: shop recommended
- Estimated cost: 120–1000 €
- Estimated time: 0.7–3.5 h
- Component: exhaust pressure regulator
- MIL / check engine light
- emissions-relevant
Sources
References
sae:J2012