P01C3

Symptoms

• Unstable engine operation
• Increased fuel consumption
• Difficulty starting the engine
• Power Loss
• Check Engine Light Illuminates

Causes

• Open or short circuit in the sensor circuit
• Fuel pressure sensor malfunction
• Poor contact in the sensor connector
• Wiring harness damage
• ECU malfunction

How to Fix

1. Check the continuity of the fuel pressure sensor circuit
2. Check sensor connections and connectors
3. Check sensor resistance and voltage
4. Replace the fuel pressure sensor if necessary
5. Check and update the ECU firmware (if required)

Related codes

Error P01C3 by Vehicle Brand