P03A0
Cylinder 2 Pressure Sensor Circuit Range/Performance
P03A0 is an OBD-II diagnostic trouble code meaning: Cylinder 2 Pressure Sensor Circuit Range/Performance. Common causes: faulty cylinder 2 pressure sensor, damage to the sensor wiring harness. Estimated repair cost: $56–167.
Symptoms
- Unstable engine operation
- Misfire in cylinder 2
- Power Loss
- Increased fuel consumption
- Check Engine Light Is On
Causes
- Faulty cylinder 2 pressure sensor
- Damage to the sensor wiring harness
- Short circuit or open circuit in the sensor circuit
- Poor contact in the sensor connector
- Problems with the engine ECU
How to Fix
- Check the integrity of the wiring harness and sensor connectors
- Measure the resistance and voltage in the sensor circuit
- Check the pressure in the cylinder using professional equipment
- Replace cylinder pressure sensor if necessary
- Test engine operation after repair
Related codes
Error P03A0 by Vehicle Brand
FAQ
What does the P03A0 code mean?
P03A0 is an OBD-II diagnostic trouble code that indicates: Cylinder 2 Pressure Sensor Circuit Range/Performance
What causes a P03A0 error code?
The most common causes of P03A0 include: Faulty cylinder 2 pressure sensor; Damage to the sensor wiring harness; Short circuit or open circuit in the sensor circuit; Poor contact in the sensor connector.
How do I fix a P03A0 diagnostic trouble code?
To fix P03A0: Check the integrity of the wiring harness and sensor connectors. Measure the resistance and voltage in the sensor circuit. Check the pressure in the cylinder using professional equipment. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P03A0?
Limited driving only, diagnose soon
How much does it cost to fix P03A0?
The estimated repair cost for P03A0 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat