Engine-CodesFord – P1579 Ford

P1579 Ford Code - Electronic Throttle Control In Power Limiting Mode

Quick Answer

The P1579 Ford code indicates that the Electronic Throttle Control (ETC) system in the vehicle is in power limiting mode. Common causes include Faulty throttle body, Malfunctioning throttle position sensor, Wiring harness issues. 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
P1579 Ford indicates Electronic Throttle Control In Power Limiting Mode.
Common causes
Common causes include Faulty throttle body, Malfunctioning throttle position sensor, Wiring harness issues.
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 P1579 Ford Description

The P1579 Ford code indicates that the Electronic Throttle Control (ETC) system in the vehicle is in power limiting mode. The ETC system controls the throttle opening electronically rather than mechanically, which allows for more precise control over engine performance. When the vehicle detects a fault in the ETC system, it will enter power limiting mode to prevent any potential safety hazards and to protect the engine from damage.

OBDII Code P1579 Ford - Electronic Throttle Control In Power Limiting Mode
P1579 Ford Code - Electronic Throttle Control In Power Limiting Mode

Common Causes of P1579 Ford

  1. Faulty throttle body
  2. Malfunctioning throttle position sensor
  3. Wiring harness issues
  4. Electronic control module failure
  5. Electronic throttle control motor failure

Symptoms of P1579 Ford

  1. Reduced engine power
  2. Engine hesitation or stalling
  3. Illuminated check engine light
  4. Difficulty accelerating
  5. Vehicle going into "limp mode"

How to Fix P1579 Ford

  1. Diagnose the specific cause of the issue using a diagnostic scanner to retrieve the fault codes.
  2. Inspect the throttle body, throttle position sensor, wiring harness, and electronic control module for any signs of damage or malfunction.
  3. Replace any faulty components identified during the inspection.
  4. Clear the fault codes and reset the ETC system.
  5. Perform a test drive to ensure that the issue has been resolved and the vehicle is operating normally.

Cost to Fix P1579 Ford

The cost of repairing the Electronic Throttle Control in power limiting mode can vary depending on the specific cause of the issue and the make and model of the vehicle. On average, the repair costs for this issue can range from $200 to $500, including parts and labor. However, the total cost can be higher if more components need to be replaced or if there are additional underlying issues. It's recommended to consult with a professional mechanic to get an accurate estimate based on your vehicle's specific needs.

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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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