P0128 2011 Ford Fusion Code - Coolant Thermostat
Quick Answer
Indicates that the thermostat monitor has not achieved the required engine operating temperature within a specified amount of time after starting the engine. Common causes include Low engine coolant level, Faulty Engine Coolant Temperature (ECT) sensor or cylinder head temp (CHT) sensor, Faulty engine coolant thermostat. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0128 2011 Ford Fusion indicates Coolant Thermostat.
- Common causes
- Common causes include Low engine coolant level, Faulty Engine Coolant Temperature (ECT) sensor or cylinder head temp (CHT) sensor, Faulty engine coolant thermostat.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0128 2011 Ford Fusion Description
What are the Possible Causes of the DTC P0128 2011 Ford Fusion?
- Low engine coolant level
- Faulty Engine Coolant Temperature (ECT) sensor or cylinder head temp (CHT) sensor
- Faulty engine coolant thermostat
- Engine Coolant Temperature (ECT) sensor or cylinder head temp (CHT) sensor harness is open or shorted
- Engine Coolant Temperature (ECT) sensor or cylinder head temp (CHT) sensor circuit poor electrical connection
How to Fix the DTC P0128 2011 Ford Fusion?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0128 2011 Ford Fusion code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P0128 2011 Ford Fusion code?
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Frequently Asked Questions about P0128 2011 Ford Fusion Code
1. What does OBDII code P0128 mean on a 2011 Ford Fusion?
The P0128 code on a 2011 Ford Fusion indicates a problem with the coolant thermostat, specifically that the engine is not reaching operating temperature within the expected time frame.
2. What are common symptoms of a P0128 code on a 2011 Ford Fusion?
Common symptoms of a P0128 code in a 2011 Ford Fusion include a lower than normal engine temperature gauge reading, poor fuel economy, and potentially reduced heater performance.
3. What are the possible causes of a P0128 code on a 2011 Ford Fusion?
Common causes of a P0128 code on a 2011 Ford Fusion include a faulty thermostat, low coolant levels, a malfunctioning coolant temperature sensor, or issues with the cooling system.
4. Can I continue driving my 2011 Ford Fusion with a P0128 code?
It's not recommended to continue driving your 2011 Ford Fusion with a P0128 code as it can lead to decreased fuel efficiency, potential engine damage, and other issues. It's best to address the problem promptly.
5. How can I fix a P0128 code on my 2011 Ford Fusion?
To fix a P0128 code on a 2011 Ford Fusion, you may need to replace the thermostat, check and top up coolant levels, inspect the coolant temperature sensor, and ensure the cooling system is functioning properly.
6. Is it possible to reset a P0128 code on a 2011 Ford Fusion without fixing the issue?
While you can clear the error code using an OBDII scanner, it's not recommended to do so without addressing the underlying problem causing the P0128 code. Resetting the code without fixing the issue may lead to further complications.
7. How much does it cost to repair a P0128 code on a 2011 Ford Fusion?
The cost to repair a P0128 code on a 2011 Ford Fusion can vary depending on the exact cause of the issue, but it may involve expenses for parts and labor, ranging from $100 to $300 or more.
8. Can a DIY enthusiast fix a P0128 code on a 2011 Ford Fusion?
Depending on your skills and experience, a DIY enthusiast may be able to address a P0128 code on a 2011 Ford Fusion by replacing the thermostat or checking coolant levels. However, more complex issues may require professional help.
9. How long does it take to repair a P0128 code on a 2011 Ford Fusion?
The time required to repair a P0128 code on a 2011 Ford Fusion can vary based on the underlying cause and the extent of the repairs needed. It may take anywhere from 1 to 3 hours or more to fix the issue.
10. Will a P0128 code on a 2011 Ford Fusion affect the car's performance?
A P0128 code on a 2011 Ford Fusion can impact the car's performance by reducing fuel efficiency and potentially causing engine issues if left unresolved. It's best to address the problem promptly to maintain optimal performance.
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