Fault Code P0471
Code meaning, symptoms, possible causes, part number, and estimated cost.
P0471
Exhaust Pressure Sensor 'A' Range/Performance
Code P0471 indicates a range or performance issue with the exhaust pressure sensor 'A'. This means readings are outside the expected range or inconsistent with engine conditions.
Part Details
Part Name
Exhaust Pressure Sensor
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪450 - ₪1200
Engine Location
Exhaust system, before or after the DPF
Symptoms
- Check Engine Light on
- Reduced engine power
- Black smoke from exhaust
- Emissions test failure
Possible Causes
- 1Faulty exhaust pressure sensor
- 2Clogged, damaged or leaking pressure hose
- 3Loose connections or corrosion
- 4DPF system issue
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