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Engine-Codes – Ford – P1651 2007 Ford Fusion

P1651 2007 Ford Fusion Code - Power Steering Pressure Switch Input Fault

Quick Answer

The P1651 diagnostic trouble code (DTC) for a 2007 Ford Fusion indicates a Power Steering Pressure Switch Input Fault. Common causes include Faulty power steering pressure switch, Wiring issues or electrical connection problems related to the power steering pressure switch, Low power steering fluid levels. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
P1651 2007 Ford Fusion indicates Power Steering Pressure Switch Input Fault.
Common causes
Common causes include Faulty power steering pressure switch, Wiring issues or electrical connection problems related to the power steering pressure switch, Low power steering fluid levels.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
What is this?
Table of contents Created and updated by William Orellana on Sep 17, 2024
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Code P1651 2007 Ford Fusion Description

The P1651 diagnostic trouble code (DTC) for a 2007 Ford Fusion indicates a Power Steering Pressure Switch Input Fault. This code is triggered when the power steering pressure switch, which is responsible for monitoring the pressure in the power steering system, sends a signal to the engine control module (ECM) that is outside of the expected range. The power steering pressure switch is a crucial component of the power steering system, as it helps the ECM adjust engine performance based on the demand for power steering assistance.

OBDII Code P1651 2007 Ford Fusion - Power Steering Pressure Switch Input Fault
P1651 2007 Ford Fusion Code - Power Steering Pressure Switch Input Fault

Common Causes of P1651 2007 Ford Fusion

  1. Faulty power steering pressure switch
  2. Wiring issues or electrical connection problems related to the power steering pressure switch
  3. Low power steering fluid levels
  4. Power steering pump failure
  5. ECM malfunction

Symptoms of P1651 2007 Ford Fusion

  1. Difficulty steering, especially at lower speeds
  2. Unusual noises coming from the power steering system
  3. Power steering system feels stiff or unresponsive
  4. Check Engine Light illuminated on the dashboard

How to Fix P1651 2007 Ford Fusion

  1. Begin by diagnosing the specific cause of the P1651 code using a diagnostic scanner to pinpoint the issue.
  2. Inspect the power steering pressure switch and its wiring for any signs of damage or corrosion. Replace the switch if necessary.
  3. Check the power steering fluid levels and top up if low. Inspect the power steering pump for any leaks or malfunctions.
  4. Clear the DTC and reset the ECM to see if the code returns. Test drive the vehicle to ensure the power steering system is functioning properly.
  5. If the issue persists, further diagnostics may be required to identify any underlying problems with the power steering system.

Cost to Fix P1651 2007 Ford Fusion

The typical repair costs for addressing a Power Steering Pressure Switch Input Fault (P1651) on a 2007 Ford Fusion can vary depending on the specific cause of the issue. In general, the cost of replacing a power steering pressure switch can range from $100 to $200, including parts and labor. However, if additional repairs or component replacements are needed, the total cost could increase. It's important to note that diagnosis time and labor rates at auto repair shops can vary, with hourly rates typically ranging between $80 and $150. Factors such as location, vehicle make and model, and engine type can also impact the overall repair costs. For a more accurate estimate, it's recommended to consult with a local auto repair shop.

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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 P1651 2007 Ford Fusion Code

1. What does the OBDII code P1651 mean for a 2007 Ford Fusion?

P1651 indicates a Power Steering Pressure Switch Input Fault, meaning the power steering pressure switch is not sending proper signals to the vehicle's computer.

2. What are the common symptoms of code P1651 in a 2007 Ford Fusion?

Symptoms may include a check engine light, reduced power steering assist, stiff or difficult steering, or irregular engine idle when turning the steering wheel.

3. What causes the P1651 code to appear in a 2007 Ford Fusion?

Common causes include a faulty power steering pressure switch, damaged wiring or connectors, low power steering fluid, or a malfunction in the power steering system.

4. Can I drive my 2007 Ford Fusion with the P1651 code?

While the car may be drivable, it is not recommended as the issue could lead to difficulty steering, especially at low speeds, which can be a safety concern.

5. How can I fix the P1651 code on my 2007 Ford Fusion?

Check the power steering fluid level, inspect the power steering pressure switch and its wiring for damage, and replace the switch if necessary. Clear the code and test drive to see if it returns.

6. Where is the power steering pressure switch located on a 2007 Ford Fusion?

The power steering pressure switch is typically mounted on the power steering pump or in the high-pressure line of the power steering system.

7. How much does it cost to fix a P1651 code on a 2007 Ford Fusion?

The cost can vary, but replacing the power steering pressure switch typically costs $50–$150 for parts and labor, depending on the repair shop.

8. Can low power steering fluid cause the P1651 code?

Yes, low power steering fluid can lead to abnormal pressure readings, which may trigger the P1651 code.

9. Do I need to reprogram the ECU after fixing the P1651 code on my 2007 Ford Fusion?

No, reprogramming the ECU is usually not required. However, you should clear the code with an OBDII scanner after making repairs.

10. What tools do I need to diagnose the P1651 code on a 2007 Ford Fusion?

You will need an OBDII scanner to read and clear codes, basic hand tools for inspecting and replacing components, and potentially a multimeter to test the wiring and switch.

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