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my Ford Explorer Fifth Generation (2011-2019) has poor throttle response, what could be wrong? - Ford Explorer
Home/Cars/Ford/Explorer/Fifth Generation (2011-2019)/my Ford Explorer Fifth Generation (2011-2019) has poor throttle response, what could be wrong?

my Ford Explorer Fifth Generation (2011-2019) has poor throttle response, what could be wrong?

Ford Explorer Fifth Generation (2011-2019)

Error Codes
2-4 hours
Time
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
3 min read
586 words

Problem Statement

Learn how to diagnose and fix poor throttle response in Ford Explorer 2011-2019. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component
Engine
Estimated Time
2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

  • •Disconnect battery before working on electrical systems.
  • •Allow engine to cool before opening any components related to the throttle body or fuel system.

Symptoms

  • •Check engine light illuminated
  • •Hesitation during acceleration
  • •Sluggish performance when pressing the accelerator
  • •Unstable idle
  • •Decreased fuel efficiency
  • •Increased emissions

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

Verification

After completing the repair, verify that the issue has been resolved:

  • ✓Test the affected component to ensure it functions correctly
  • ✓Check for any error codes or warning lights
  • ✓Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • •OBD-II scanner
  • •Socket set
  • •Throttle body cleaner
  • •Fuel pressure gauge
  • •Multimeter
  • •Vacuum gauge

Parts Required

  • •Throttle body gasket
  • •Throttle body (if replacement is needed)
  • •Accelerator pedal position sensor (if replacement is needed)

Additional Information

Affected Component
Engine
Estimated Time
2-4 hours
Difficulty
medium
Severity
medium
Tools Required
6 items
Parts Required
3 items

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Solution
1. Preparation
  • Tools Required: OBD-II scanner, socket set, throttle body cleaner, fuel pressure gauge, multimeter, vacuum gauge.
  • Disconnect the negative battery terminal to ensure safety before starting work.
2. Clean or Replace Throttle Body
  1. Remove the air intake duct connected to the throttle body.
  2. Disconnect the throttle body electrical connector.
  3. Unbolt the throttle body using the appropriate socket size.
  4. Inspect for carbon buildup; clean using throttle body cleaner and a soft cloth.
  5. If significantly damaged, replace the throttle body with a new unit.
  6. Reinstall the throttle body and reconnect the electrical connector and air intake duct.
3. Inspect and Test Fuel System
  1. Connect a fuel pressure gauge to the fuel rail.
  2. Turn the ignition key to the “ON” position without starting the engine and observe the fuel pressure reading.
  3. Compare the reading to manufacturer specifications; it should typically be between 50-60 psi.
  4. If the pressure is low, check the fuel pump, filter, and lines for blockages or failures.
  5. Replace any faulty components as necessary.
4. Test Accelerator Pedal Position Sensor
  1. Disconnect the pedal position sensor connector.
  2. Use a multimeter to check for voltage output while pressing the accelerator pedal.
  3. Compare the readings to manufacturer specifications (usually around 0.5V at idle and 4.5V at full throttle).
  4. If readings are out of range, replace the accelerator pedal position sensor.
5. Reconnect Battery and Clear Codes
  • Reconnect the negative battery terminal.
  • Use the OBD-II scanner to clear any error codes and check if the throttle response has improved.