P2AFE
Engine Coolant Temperature Sensor 4 Circuit Low
P2AFE is an OBD-II diagnostic trouble code meaning: Engine Coolant Temperature Sensor 4 Circuit Low. Common causes: malfunction of coolant temperature sensor no. 4, open or short circuit in the sensor circuit. Estimated repair cost: $6–28.
Symptoms
- Unstable engine operation
- Increased fuel consumption
- Difficulty starting in cold weather
- Check Engine Light
- Incorrect temperature readings on the dashboard
Causes
- Malfunction of coolant temperature sensor No. 4
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Contact corrosion
- Problems with the engine ECU
How to Fix
- Check sensor resistance at different temperatures
- Inspect the sensor circuit for damage
- Check the contacts in the sensor connector
- Replace temperature sensor if necessary
- Reset the error code and check for its reappearance
Related codes
Error P2AFE by Vehicle Brand
FAQ
What does the P2AFE code mean?
P2AFE is an OBD-II diagnostic trouble code that indicates: Engine Coolant Temperature Sensor 4 Circuit Low
What causes a P2AFE error code?
The most common causes of P2AFE include: Malfunction of coolant temperature sensor No. 4; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Contact corrosion.
How do I fix a P2AFE diagnostic trouble code?
To fix P2AFE: Check sensor resistance at different temperatures. Inspect the sensor circuit for damage. Check the contacts in the sensor connector. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2AFE?
Yes, but get it checked soon
How much does it cost to fix P2AFE?
The estimated repair cost for P2AFE is $6–28. Actual cost depends on your vehicle, location, and labor rates.
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