why does my Ford Explorer Sixth Generation (2020-present) keep losing power

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

563 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

Discover how to diagnose and fix power loss issues in Ford Explorer (2020-present). 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 working on any components.

Symptoms

•Check engine light illuminated
•Engine stalling or hesitation during acceleration
•Reduced throttle response
•Unusual engine noises (e.g., knocking or sputtering)
•Poor fuel economy
•Transmission slipping or harsh shifting

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Check the fuel pressure using a fuel pressure gauge to ensure adequate supply to the engine.
3
Inspect the air intake system for blockages or leaks, including the air filter and intake hoses.
4
Examine the ignition system components, such as spark plugs and ignition coils, for wear or faults.
5
Inspect the battery and charging system to confirm proper voltage and current supply.
6
Test the throttle position sensor (TPS) and Mass Air Flow (MAF) sensor for accurate readings.

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
•Fuel pressure gauge
•Multimeter
•Socket set
•Torque wrench

Parts Required

•Fuel pump (if necessary)
•Fuel filter (if necessary)
•Spark plugs
•Ignition coils (if necessary)
•Air filter

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored trouble codes.
2
Check the fuel pressure using a fuel pressure gauge to ensure adequate supply to the engine.
3
Inspect the air intake system for blockages or leaks, including the air filter and intake hoses.
4
Examine the ignition system components, such as spark plugs and ignition coils, for wear or faults.
5
Inspect the battery and charging system to confirm proper voltage and current supply.
6
Test the throttle position sensor (TPS) and Mass Air Flow (MAF) sensor for accurate readings.

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the battery to avoid electrical shorts during repair.

2. Address Fuel Supply Issues

Sub-step 1: Remove the fuel pump relay from the fuse box.
Sub-step 2: Connect a fuel pressure gauge to the fuel rail.
Sub-step 3: Turn the ignition to the "ON" position (do not start the engine) to check the fuel pressure reading. It should be within specifications (typically around 50-60 psi).
Sub-step 4: If pressure is low, inspect and replace the fuel pump or fuel filter as necessary.

3. Inspect and Replace Ignition Components

Sub-step 1: Remove the engine cover (if applicable) to access ignition components.
Sub-step 2: Inspect spark plugs for fouling or wear; replace them if necessary (use OEM specifications for type and gap).
Sub-step 3: Test ignition coils with a multimeter; replace any faulty coils.

4. Clean or Replace Air Intake Components

Sub-step 1: Remove the air filter and inspect for dirt or damage; replace if necessary.
Sub-step 2: Clean the MAF sensor using a dedicated MAF cleaner if it appears dirty.
Sub-step 3: Ensure all intake hoses are secure and free of cracks; replace any damaged hoses.

5. Repair Electrical System

Sub-step 1: Check battery voltage using a multimeter; it should be around 12.6 volts at rest.
Sub-step 2: Inspect battery terminals for corrosion and tightness; clean and tighten as needed.
Sub-step 3: Test the alternator output while the engine is running (should be between 13.5 - 14.5 volts).