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why does my Ford Explorer engine rev high while driving - Ford Explorer
Home/Cars/Ford/Explorer/Fifth Generation (2011-2019)/why does my Ford Explorer engine rev high while driving

why does my Ford Explorer engine rev high while driving

Ford Explorer Fifth Generation (2011-2019)

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

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix high engine RPM issues in Ford Explorer. Step-by-step guide with diagnostic procedures 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 the engine to cool before inspecting engine components

Symptoms

  • •Engine RPM fluctuates or remains high during acceleration
  • •Unresponsive throttle or delayed acceleration
  • •Check engine light may be illuminated
  • •Increased fuel consumption
  • •Transmission slipping or harsh shifting

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
  • •Multimeter
  • •Socket set
  • •Throttle body cleaner
  • •Torque wrench

Parts Required

  • •Throttle position sensor (if needed)
  • •Accelerator pedal position sensor (if needed)
  • •Idle air control valve (if needed)

Additional Information

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

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Solution
1. Preparation
  • Gather necessary tools and parts.
  • Ensure the vehicle is parked on a level surface with the engine off.
  • Disconnect the negative battery terminal to prevent electrical shorts.
2. Throttle Position Sensor (TPS) Inspection
  • Locate the TPS on the throttle body.
  • Disconnect the TPS connector.
  • Use a multimeter to test the voltage output of the TPS while moving the throttle plate.
    • Expected voltage should vary smoothly from 0.5V to 4.5V.
  • If out of specification, replace the TPS.
3. Accelerator Pedal Position Sensor Test
  • Locate the accelerator pedal position sensor.
  • Disconnect the sensor connector.
  • Measure the resistance across the sensor terminals while pressing the pedal.
    • Ensure the resistance changes smoothly and linearly.
  • Replace the sensor if measurements are inconsistent.
4. Transmission Fluid Check
  • Locate the transmission dipstick (if applicable).
  • Remove the dipstick, wipe it clean, and reinsert it.
  • Check the fluid level and condition (should be red and without burnt smell).
    • If low, add the appropriate transmission fluid.
    • If the fluid is dark or burnt, consider a fluid change.
5. Idle Air Control Valve (IAC) Inspection
  • Locate the IAC valve on the throttle body.
  • Remove the valve and inspect for carbon buildup.
  • Clean the valve with throttle body cleaner if dirty.
  • Reinstall or replace the IAC if it is malfunctioning.