P0470
Exhaust Pressure Sensor A Circuit
P0470 is an OBD-II diagnostic trouble code meaning: Exhaust Pressure Sensor A Circuit. Common causes: malfunction of the exhaust gas pressure sensor, open or short circuit in wiring harness. Estimated repair cost: $56–167.
Symptoms
- Check Engine light comes on
- Engine performance deterioration
- Increased fuel consumption
- Unstable engine operation at idle
Causes
- Malfunction of the exhaust gas pressure sensor
- Open or short circuit in wiring harness
- Poor contact in the sensor connector
- ECU malfunction
How to Fix
- Check the integrity of the sensor wiring harness
- Check connections and contacts in the sensor connector
- Check sensor resistance and voltage
- Replace exhaust gas pressure sensor if necessary
- Reset the error and check if it returns
Related codes
Error P0470 by Vehicle Brand
FAQ
What does the P0470 code mean?
P0470 is an OBD-II diagnostic trouble code that indicates: Exhaust Pressure Sensor A Circuit
What causes a P0470 error code?
The most common causes of P0470 include: Malfunction of the exhaust gas pressure sensor; Open or short circuit in wiring harness; Poor contact in the sensor connector; ECU malfunction.
How do I fix a P0470 diagnostic trouble code?
To fix P0470: Check the integrity of the sensor wiring harness. Check connections and contacts in the sensor connector. Check sensor resistance and voltage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0470?
Limited driving only, diagnose soon
How much does it cost to fix P0470?
The estimated repair cost for P0470 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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