What does code P0473 mean?
The exhaust pressure sensor is reporting a higher than expected pressure signal.
OBD-II Code
P0473 — Exhaust Pressure Sensor High
The exhaust pressure sensor is reporting a higher than expected pressure signal.
Common symptoms
- Limp mode activation
- reduced engine power
Possible causes
- Short to voltage
- clogged sensor port
Initial recommendation
Check pressure lines for blockage, inspect wiring harness and repair or replace sensor as needed.
Safety notice
This information is for guidance only and does not replace a physical vehicle inspection or diagnosis by a qualified mechanic. If the vehicle has severe power loss, smoke, a fuel odor, overheating, brake or steering problems, or any unsafe behavior, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine code P0473 with your vehicle's actual symptoms for more complete diagnostic guidance.
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