P047A
Exhaust Pressure Sensor B Circuit
P047A is an OBD-II diagnostic trouble code meaning: Exhaust Pressure Sensor B Circuit. Common causes: exhaust gas pressure sensor b malfunction, open or shorted wiring harness. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Reduced engine power
- Increased fuel consumption
- Problems with the EGR system
Causes
- Exhaust gas pressure sensor B malfunction
- Open or shorted wiring harness
- Poor contact in the sensor connector
- Problems with the ECU
How to Fix
- Check the integrity of the wiring harness and sensor connector
- Check sensor resistance and voltage according to manufacturer's specifications
- Replace exhaust gas pressure sensor B if necessary
- Clean or replace connectors if corrosion is detected
Related codes
Error P047A by Vehicle Brand
FAQ
What does the P047A code mean?
P047A is an OBD-II diagnostic trouble code that indicates: Exhaust Pressure Sensor B Circuit
What causes a P047A error code?
The most common causes of P047A include: Exhaust gas pressure sensor B malfunction; Open or shorted wiring harness; Poor contact in the sensor connector; Problems with the ECU.
How do I fix a P047A diagnostic trouble code?
To fix P047A: Check the integrity of the wiring harness and sensor connector. Check sensor resistance and voltage according to manufacturer's specifications. Replace exhaust gas pressure sensor B if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P047A?
Limited driving only, diagnose soon
How much does it cost to fix P047A?
The estimated repair cost for P047A is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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