P0472
Exhaust Pressure Sensor A Circuit Low
P0472 is an OBD-II diagnostic trouble code meaning: Exhaust Pressure Sensor A Circuit Low. Common causes: open or short circuit in the sensor wiring harness, poor contact in the sensor connector. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Deterioration in acceleration dynamics
- Increased fuel consumption
- Unstable engine operation at idle
Causes
- Open or short circuit in the sensor wiring harness
- Poor contact in the sensor connector
- Malfunction of the exhaust gas pressure sensor
- Circuit Grounding Problems
- ECU malfunction (rare)
How to Fix
- Check the integrity of the sensor wiring harness
- Inspect the sensor connector for oxidation or damage.
- Check sensor resistance and voltage according to manufacturer's specifications
- If necessary, replace the exhaust gas pressure sensor
- Reset the error and check if it returns
Related codes
Error P0472 by Vehicle Brand
FAQ
What does the P0472 code mean?
P0472 is an OBD-II diagnostic trouble code that indicates: Exhaust Pressure Sensor A Circuit Low
What causes a P0472 error code?
The most common causes of P0472 include: Open or short circuit in the sensor wiring harness; Poor contact in the sensor connector; Malfunction of the exhaust gas pressure sensor; Circuit Grounding Problems.
How do I fix a P0472 diagnostic trouble code?
To fix P0472: Check the integrity of the sensor wiring harness. Inspect the sensor connector for oxidation or damage.. Check sensor resistance and voltage according to manufacturer's specifications. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0472?
Limited driving only, diagnose soon
How much does it cost to fix P0472?
The estimated repair cost for P0472 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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