P2AFC

Symptoms

• Incorrect temperature readings on the dashboard
• Increased fuel consumption
• Difficulty starting the engine
• Engine overheating
• Check Engine Light Illuminates

Causes

• Malfunction of coolant temperature sensor No. 4
• Open or short circuit in the sensor circuit
• Poor contact in the sensor connector
• Wiring harness damage
• ECU malfunction (rare)

How to Fix

1. Check the condition of the coolant temperature sensor No. 4
2. Testing the sensor circuit for open and short circuit
3. Check connectors and connections for corrosion or damage
4. If necessary, replace the sensor or repair the circuit
5. Test the operation of the system after repair

Related codes

Error P2AFC by Vehicle Brand