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P1290 2007 Ford Fusion Code - Cylinder Head Temperature Sensor Signal Less Than Self-Test Range

Quick Answer

The P1290 code on a 2007 Ford Fusion indicates that the cylinder head temperature sensor is sending a signal that is lower than the self-test range expected by the Powertrain Control Module (PCM). Common causes include Faulty cylinder head temperature sensor, Wiring or connector issues in the sensor circuit, PCM malfunction. 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
P1290 2007 Ford Fusion indicates Cylinder Head Temperature Sensor Signal Less Than Self-Test Range.
Common causes
Common causes include Faulty cylinder head temperature sensor, Wiring or connector issues in the sensor circuit, PCM malfunction.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code P1290 2007 Ford Fusion Description

The P1290 code on a 2007 Ford Fusion indicates that the cylinder head temperature sensor is sending a signal that is lower than the self-test range expected by the Powertrain Control Module (PCM). This sensor is responsible for monitoring the temperature of the cylinder head, which is crucial for the engine's performance and efficiency. When the sensor signal falls below the expected range, it can lead to various issues with the engine's operation.

OBDII Code P1290 2007 Ford Fusion - Cylinder Head Temperature Sensor Signal Less Than Self-Test Range
P1290 2007 Ford Fusion Code - Cylinder Head Temperature Sensor Signal Less Than Self-Test Range

Common Causes of P1290 2007 Ford Fusion

  1. Faulty cylinder head temperature sensor
  2. Wiring or connector issues in the sensor circuit
  3. PCM malfunction
  4. Coolant leak affecting sensor readings
  5. Engine overheating causing sensor malfunction

Symptoms of P1290 2007 Ford Fusion

  1. Check Engine light is illuminated
  2. Engine running rough or misfiring
  3. Decreased fuel efficiency
  4. Engine overheating
  5. Loss of power or acceleration

How to Fix P1290 2007 Ford Fusion

  1. Diagnose the issue by using a scan tool to read the code and determine the exact cause of the problem.
  2. Inspect the wiring and connectors in the cylinder head temperature sensor circuit for any damage or corrosion.
  3. Test the sensor's resistance and voltage output to check for proper function.
  4. Replace the cylinder head temperature sensor if it is found to be faulty.
  5. Clear the code from the PCM memory and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1290 2007 Ford Fusion

The cost of repairing a P1290 code on a 2007 Ford Fusion can vary depending on the cause of the issue. Typically, the cost of a new cylinder head temperature sensor ranges from $50 to $150, depending on the brand and quality. Labor costs can range from $100 to $200, depending on the shop's hourly rate and the complexity of the repair. Overall, the total cost of resolving this issue could range from $150 to $350. It's important to note that these are rough estimates, and actual costs may vary based on location and specific circumstances.

When is the Code Detected?

The Engine Control Module (ECM) detected the cylinder head temp below expected values

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1290 2007 Ford Fusion Code

1. What are the common symptoms of OBDII code P1290 in a 2007 Ford Fusion?

The common symptoms include poor engine performance, rough idling, decreased fuel efficiency, and potential overheating issues.

2. What does the OBDII code P1290 on a 2007 Ford Fusion mean?

The code P1290 indicates that the Cylinder Head Temperature Sensor is sending a signal that is outside the self-test range set by the vehicle's Engine Control Module (ECM).

3. What are the possible causes of the P1290 code in a 2007 Ford Fusion?

Potential causes include a faulty Cylinder Head Temperature Sensor, wiring issues in the sensor circuit, a malfunctioning ECM, or a problem with the sensor's ground connection.

4. How can I diagnose the P1290 code in my 2007 Ford Fusion?

Diagnosing the P1290 code typically involves using an OBDII scanner to retrieve the code, checking the Cylinder Head Temperature Sensor for proper operation, inspecting the sensor wiring for damage, and testing the sensor's resistance.

5. Can I drive my 2007 Ford Fusion with the P1290 code?

It is not recommended to drive your vehicle with the P1290 code present, as it can lead to further engine damage and potential safety hazards. It's best to address the issue promptly.

6. How do I repair the P1290 code in my 2007 Ford Fusion?

Repairing the P1290 code may involve replacing the faulty Cylinder Head Temperature Sensor, repairing any damaged wiring, ensuring proper sensor grounding, or recalibrating the ECM.

7. Will resetting the trouble codes make the P1290 code disappear?

Resetting the trouble codes may temporarily clear the P1290 code, but if the underlying issue is not addressed, the code is likely to reappear after a short time.

8. Can a DIY enthusiast fix the P1290 code in a 2007 Ford Fusion?

While some aspects of diagnosing and repairing the P1290 code can be done by a DIY enthusiast, it's recommended to seek professional help for accurate diagnosis and proper repair to ensure the issue is resolved effectively.

9. How much does it cost to repair the P1290 code in a 2007 Ford Fusion?

The cost of repairing the P1290 code can vary depending on the specific cause of the issue, the labor rates in your area, and whether you choose to go to a dealership or an independent mechanic. It's best to get a few quotes for an accurate estimate.

10. Is the P1290 code a common issue in 2007 Ford Fusions?

While the P1290 code may not be as common as some other OBDII codes, it can still occur in 2007 Ford Fusions due to sensor or wiring issues. Regular maintenance and prompt repairs can help prevent such issues.

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