Engine-CodesFord – P1257 Ford

P1257 Ford Code - Pedal Correlation PDS2 and HPDS

Quick Answer

The P1257 Ford diagnostic trouble code (DTC) refers to a pedal correlation issue between the Pedal Position Sensor 2 (PDS2) and the High Pressure Deceleration Sensor (HPDS). Common causes include Faulty accelerator pedal position sensor, High-pressure fuel system issues, Wiring problems. 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
P1257 Ford indicates Pedal Correlation PDS2 and HPDS.
Common causes
Common causes include Faulty accelerator pedal position sensor, High-pressure fuel system issues, Wiring problems.
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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P1257 Ford Description

The P1257 Ford diagnostic trouble code (DTC) refers to a pedal correlation issue between the Pedal Position Sensor 2 (PDS2) and the High Pressure Deceleration Sensor (HPDS). This code typically indicates a problem with the correlation between the position of the accelerator pedal and the high-pressure fuel system in the vehicle. The accelerator pedal position sensor is responsible for sending signals to the engine control module (ECM) to adjust fuel delivery and engine performance, while the high-pressure fuel system is crucial for the efficient operation of the engine.

OBDII Code P1257 Ford - Pedal Correlation PDS2 and HPDS
P1257 Ford Code - Pedal Correlation PDS2 and HPDS

Common Causes of P1257 Ford

  1. Faulty accelerator pedal position sensor
  2. High-pressure fuel system issues
  3. Wiring problems
  4. ECM malfunction

Symptoms of P1257 Ford

  1. Reduced acceleration
  2. Hesitation or stalling during acceleration
  3. Rough idling
  4. Poor fuel efficiency
  5. Engine misfires

How to Fix P1257 Ford

  1. Diagnose the issue by using a scan tool to read the fault code and investigate the accelerator pedal position sensor, high-pressure fuel system, wiring connections, and ECM.
  2. Inspect the accelerator pedal position sensor for any signs of wear or damage and replace it if necessary.
  3. Check the high-pressure fuel system for leaks, clogs, or malfunctions and address any issues found.
  4. Inspect the wiring connections related to the accelerator pedal position sensor and high-pressure fuel system for loose connections or damage, repairing or replacing them as needed.
  5. Clear the fault code from the ECM memory using a scan tool and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1257 Ford

The cost of repairing a P1257 Ford code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. Typically, the repair costs for this issue can range from $200 to $500, including parts and labor. However, it is important to note that diagnosis time and labor rates can vary between different shops and locations. It is advisable to consult with a trusted mechanic or auto repair shop to get an accurate estimate for addressing this code in your vehicle.

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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.

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