P03A1
Cylinder 2 Pressure Sensor Circuit Low
P03A1 is an OBD-II diagnostic trouble code meaning: Cylinder 2 Pressure Sensor Circuit Low. Common causes: malfunction of the pressure sensor in cylinder 2, open or short circuit in wiring harness. Estimated repair cost: $56–167.
Symptoms
- Reduced engine power
- Increased fuel consumption
- Unstable idling
- Check Engine Light Illuminates
Causes
- Malfunction of the pressure sensor in cylinder 2
- Open or short circuit in wiring harness
- Poor contact in the sensor connector
- Engine control unit (ECU) malfunction
How to Fix
- Check the integrity of the sensor wiring harness
- Check the contacts in the sensor connector
- Replace pressure sensor in cylinder 2 if necessary
- Check the operation of the engine control unit (ECU)
Related codes
Error P03A1 by Vehicle Brand
FAQ
What does the P03A1 code mean?
P03A1 is an OBD-II diagnostic trouble code that indicates: Cylinder 2 Pressure Sensor Circuit Low
What causes a P03A1 error code?
The most common causes of P03A1 include: Malfunction of the pressure sensor in cylinder 2; Open or short circuit in wiring harness; Poor contact in the sensor connector; Engine control unit (ECU) malfunction.
How do I fix a P03A1 diagnostic trouble code?
To fix P03A1: Check the integrity of the sensor wiring harness. Check the contacts in the sensor connector. Replace pressure sensor in cylinder 2 if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P03A1?
Limited driving only, diagnose soon
How much does it cost to fix P03A1?
The estimated repair cost for P03A1 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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