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What are the common causes of engine stalling in the 2020 Ford Explorer Sixth Generation? - Ford Explorer
Home/Cars/Ford/Explorer/Sixth Generation (2020-present)/What are the common causes of engine stalling in the 2020 Ford Explorer Sixth Generation?

What are the common causes of engine stalling in the 2020 Ford Explorer Sixth Generation?

Ford Explorer Sixth Generation (2020-present)

Error Codes
medium
Difficulty
medium
Severity
Navigation
ProblemSymptomsDiagnosisSolution
ProblemSymptomsDiagnosisSolution
4 min read
693 words

Problem Statement

Explore the common causes, symptoms, diagnostic steps, and repair instructions for engine stalling issues in the 2020 Ford Explorer Sixth Generation.

Affected Component
Engine

Symptoms

  • •Engine stops running unexpectedly
  • •Rough idling before stalling
  • •Difficulty starting after stalling
  • •Warning lights on the dashboard (e.g., check engine light)

Diagnostic Steps

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7

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

  • •Visual inspection tools (flashlight)
  • •OBD-II scanner
  • •Fuel pressure gauge
  • •Multimeter
  • •Spark plug socket
  • •MAF cleaner
  • •Vacuum gauge
  • •Battery tester
  • •Transmission dipstick tool

Additional Information

Affected Component
Engine
Difficulty
medium
Severity
medium
Tools Required
9 items

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Common Causes of Engine Stalling in the 2020 Ford Explorer Sixth Generation

The 2020 Ford Explorer, like any modern vehicle, may experience engine stalling due to various reasons. Below, we will outline the common causes, their symptoms, diagnostic steps, tools required, and repair instructions.

Common Causes

  1. Fuel System Issues

    • Clogged fuel filter
    • Failing fuel pump
    • Contaminated fuel

  2. Ignition System Failures

    • Faulty ignition coils
    • Worn spark plugs

  3. Air Intake Problems

    • Dirty or faulty Mass Airflow Sensor (MAF)
    • Vacuum leaks

  4. Electrical Issues

    • Weak battery or failing alternator
    • Faulty sensors (e.g., crankshaft position sensor)

  5. Transmission Problems

    • Torque converter issues
    • Incorrect transmission fluid level

Step 1: Initial Inspection

  • Tools Required: Visual inspection tools (flashlight), OBD-II scanner
  • Check for any dashboard warning lights.
  • Inspect for any visible leaks, loose connections, or damaged components.

Step 2: Scan for Diagnostic Trouble Codes (DTCs)

  • Tools Required: OBD-II scanner
  • Connect the scanner to the OBD-II port.
  • Retrieve any stored codes related to the engine or fuel system.

Step 3: Check Fuel System

  • Tools Required: Fuel pressure gauge, multimeter
  • Test fuel pressure at the fuel rail to ensure it meets specifications.
  • Check the fuel filter for clogs or restrictions.
  • Inspect the fuel pump relay for proper operation.

Step 4: Inspect Ignition System

  • Tools Required: Spark plug socket, multimeter
  • Remove and inspect spark plugs for wear or fouling.
  • Test ignition coils for resistance and functionality using a multimeter.

Step 5: Air Intake and Vacuum System Check

  • Tools Required: MAF cleaner, vacuum gauge
  • Clean the MAF sensor with an appropriate cleaner.
  • Check for vacuum leaks using a smoke machine or vacuum gauge.

Step 6: Electrical System Assessment

  • Tools Required: Multimeter, battery tester
  • Test battery voltage and load test the alternator to check for output.
  • Inspect wiring and connectors for corrosion or damage.

Step 7: Transmission Fluid Check

  • Tools Required: Transmission dipstick tool
  • Check the transmission fluid level and condition. Look for burnt smell or metal shavings.
Repair Instructions

Repairing Fuel System Issues

  1. Replace Fuel Filter:

    • Disconnect the battery.
    • Relieve fuel system pressure.
    • Remove the old fuel filter and install a new one.
    • Reconnect the battery.

  2. Replace Fuel Pump (if necessary):

    • Remove the rear seat or access panel.
    • Disconnect fuel lines and electrical connectors.
    • Remove the fuel pump assembly from the tank and install a new pump.

Repairing Ignition System Issues

  1. Replace Spark Plugs:

    • Remove the ignition coils.
    • Unscrew the old spark plugs and install new ones.
    • Reinstall ignition coils and connectors.

  2. Replace Faulty Ignition Coils:

    • Disconnect the electrical connector.
    • Remove the coil and install the new coil.

Addressing Air Intake Problems

  1. Clean Mass Airflow Sensor:

    • Remove the MAF sensor from the intake.
    • Use MAF cleaner to clean the sensor element and allow it to dry before reinstalling.

  2. Fix Vacuum Leaks:

    • Inspect hoses and gaskets.
    • Replace any damaged or worn components.

Electrical System Repairs

  1. Replace Battery or Alternator:
    • Disconnect negative cable from the battery.
    • Remove and replace the battery or alternator and reconnect.

Transmission Maintenance

  1. Top Off or Replace Transmission Fluid:
    • Check fluid level with the dipstick.
    • If low, add the correct type of transmission fluid.
    • If dirty or burnt, consider a complete fluid change.
Conclusion

Engine stalling in the 2020 Ford Explorer can stem from various issues, ranging from fuel and ignition system problems to electrical failures and transmission issues. Following the structured diagnostic and repair steps outlined above will help accurately identify and remedy the cause of stalling, ensuring reliable vehicle performance. Always consult the factory service manual for specific torque specifications and procedures.