P0128 2012 Ford Fusion Code - Coolant Thermostat
Quick Answer
The P0128 diagnostic trouble code (DTC) for a 2012 Ford Fusion indicates a potential issue with the coolant thermostat. Common causes include Faulty coolant thermostat, Low coolant level, Air pockets in the cooling system. 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 2012 Ford Fusion indicates Coolant Thermostat.
- Common causes
- Common causes include Faulty coolant thermostat, Low coolant level, Air pockets in the cooling system.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P0128 2012 Ford Fusion Description
The P0128 diagnostic trouble code (DTC) for a 2012 Ford Fusion indicates a potential issue with the coolant thermostat. The coolant thermostat is a crucial component of the vehicle's cooling system that regulates the flow of coolant through the engine to maintain optimal operating temperature. When this code is triggered, it typically means that the engine is not reaching the desired temperature within a specified time frame, indicating a potential thermostat malfunction.
Common Causes of P0128 2012 Ford Fusion
- Faulty coolant thermostat
- Low coolant level
- Air pockets in the cooling system
- Faulty temperature sensor
- Electrical issues in the cooling system
Symptoms of P0128 2012 Ford Fusion
- Engine running colder or hotter than normal
- Decreased fuel efficiency
- Check Engine Light illuminated
- Poor engine performance
- Engine overheating
How to Fix P0128 2012 Ford Fusion
- Diagnostic: Begin by diagnosing the issue using a scan tool to retrieve the DTC and inspecting the coolant thermostat, coolant level, and temperature sensor.
- Coolant System Flush: Perform a coolant system flush to remove any air pockets and ensure proper coolant circulation.
- Thermostat Replacement: Replace the faulty coolant thermostat with a new one, ensuring it is installed correctly and functioning properly.
- Temperature Sensor Replacement: If the temperature sensor is faulty, replace it to ensure accurate temperature readings.
- Test and Verify: After completing the repairs, test the vehicle to verify that the issue has been resolved and that the engine is operating at the correct temperature.
Cost to Fix P0128 2012 Ford Fusion
The typical repair costs for addressing a P0128 coolant thermostat issue on a 2012 Ford Fusion can range from $150 to $400, depending on the cost of parts and labor. It is important to note that these are rough estimates, and actual costs may vary based on factors such as location, vehicle make and model, and the specific repair shop. Additionally, diagnostic time and labor rates can vary, with most auto repair shops charging between $80 and $150 per hour. It is recommended to obtain quotes from multiple repair shops to ensure a competitive price.
Tech Notes for P0128 2012 Ford Fusion
When is the Code Detected?
Need more information about the P0128 2012 Ford Fusion code?
Need more information on how to fix the P0128 2012 Ford Fusion code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P0128 2012 Ford Fusion code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P0128 2012 Ford Fusion Code
1. What does OBDII code P0128 mean on a 2012 Ford Fusion?
- OBDII code P0128 on a 2012 Ford Fusion indicates a problem with the coolant thermostat.
2. What are common symptoms of a P0128 code on a 2012 Ford Fusion?
- Common symptoms include the engine running cooler than normal, poor fuel economy, and the check engine light coming on.
3. What causes the P0128 code to trigger on a 2012 Ford Fusion?
- The P0128 code is often triggered by a thermostat that is stuck open or is not functioning properly, leading to insufficient coolant temperature.
4. How serious is the P0128 code on a 2012 Ford Fusion?
- While the P0128 code may not cause immediate damage, it can lead to decreased fuel efficiency and engine performance if left unresolved.
5. Can I continue driving my 2012 Ford Fusion with a P0128 code?
- It is generally not recommended to continue driving with a P0128 code, as it can affect the overall performance of the vehicle and potentially lead to more serious issues.
6. How can I diagnose a P0128 code on my 2012 Ford Fusion?
- Diagnosis typically involves checking the coolant level, inspecting the thermostat, and testing the coolant temperature sensor using a scan tool.
7. What is the repair process for a P0128 code on a 2012 Ford Fusion?
- The repair process usually involves replacing the thermostat, ensuring the coolant system is functioning properly, and clearing the code with a scan tool.
8. Are there any DIY tips for fixing a P0128 code on a 2012 Ford Fusion?
- While some may attempt to replace the thermostat themselves, it is recommended to consult a professional mechanic for accurate diagnosis and repair.
9. How much does it cost to fix a P0128 code on a 2012 Ford Fusion?
- The cost of fixing a P0128 code can vary depending on the extent of the issue, but it typically ranges from $150 to $400 for parts and labor.
10. How can I prevent the P0128 code from reoccurring on my 2012 Ford Fusion?
- Regular maintenance of the cooling system, including timely thermostat replacement and coolant flushes, can help prevent the recurrence of the P0128 code.
Discuss the causes and fixes for P0128 2012 Ford Fusion OBDII Code
Code P0128 2012 Ford Fusion comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.