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my Ford Explorer has low power when accelerating what's the issue - Ford Explorer
Home/Cars/Ford/Explorer/Fifth Generation (2011-2019)/my Ford Explorer has low power when accelerating what's the issue

my Ford Explorer has low power when accelerating what's the issue

Ford Explorer Fifth Generation (2011-2019)

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

Problem Statement

Learn how to diagnose and fix low power during acceleration 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 the battery before working on electrical systems
  • •Allow the engine to cool before opening the intake system

Symptoms

  • •Check engine light illuminated
  • •Sluggish acceleration
  • •Engine stalling or hesitating
  • •Poor fuel economy
  • •Unusual engine noises (e.g., knocking or pinging)
  • •Increased exhaust 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
  • •Fuel pressure gauge
  • •Multimeter
  • •Cleaning supplies
  • •Throttle body cleaner
  • •Wrench set

Parts Required

  • •Air filter
  • •Fuel pump (if needed)
  • •Spark plugs
  • •Ignition coils (if needed)
  • •MAF sensor (if needed)

Additional Information

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

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Solution
1. Preparation
  • Gather tools: OBD-II scanner, socket set, fuel pressure gauge, multimeter, and cleaning supplies.
  • Ensure the vehicle is parked on a level surface and the engine is cool.
2. Address Error Codes
  • Connect the OBD-II scanner to the vehicle’s diagnostic port.
  • Retrieve and document any trouble codes.
  • Address specific codes related to the engine performance.
3. Inspect Air Intake
  • Remove the air filter and inspect it for dirt or damage; replace if necessary.
  • Check the air intake duct for cracks or loose connections; replace if damaged.
4. Fuel System Inspection
  • Connect a fuel pressure gauge to the fuel rail.
  • Start the engine and verify that the fuel pressure is within specifications (typically 30-45 psi for most Explorer models).
  • If pressure is low, inspect the fuel pump and replace if necessary.
5. Spark Plug and Ignition System
  • Remove the spark plugs using a socket wrench.
  • Inspect each plug for wear; replace any that are worn or fouled.
  • Check ignition coils for proper operation, replacing any faulty coils.
6. Throttle Body Cleaning
  • Remove the throttle body from the intake manifold.
  • Clean the throttle plate and bore using throttle body cleaner.
  • Reinstall the throttle body and ensure all connections are secure.
7. MAF Sensor Testing
  • Disconnect the MAF sensor and test it using a multimeter.
  • If readings are outside specifications, replace the MAF sensor.