how to fix Ford Explorer Sixth Generation (2020-present) that won't start after working on it

Ford Explorer Sixth Generation (2020-present)

Error Codes

1-2 hours

Time

medium

Difficulty

high

Severity

3 min read

540 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 a no-start condition in Ford Explorer (2020-present). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

1-2 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on any electrical components.
•Allow the engine to cool before performing maintenance on the starter motor.

Symptoms

•Engine does not crank or turn over
•Battery warning light illuminated
•Check engine light illuminated
•No response from the ignition key
•Electrical accessories functioning intermittently

Diagnostic Steps

1
Check the battery voltage using a multimeter; it should be above 12.4 volts.
2
Inspect battery terminals for corrosion or loose connections.
3
Verify that the fuses related to the starter and ignition system are intact.
4
Use an OBD-II scanner to check for any stored error codes that may indicate electrical issues.
5
Confirm that the key fob is functioning and that its battery is charged, if applicable.
6
Test the starter motor by applying power directly to it to see if it engages.

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

•Multimeter
•Wire brush
•Socket set
•Fuse puller or needle-nose pliers
•Torque wrench

Parts Required

•Battery (if testing shows it’s weak)
•Starter motor (if found faulty)
•Fuses (if any are blown)

Related Faults

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Diagnostic Steps

1
Check the battery voltage using a multimeter; it should be above 12.4 volts.
2
Inspect battery terminals for corrosion or loose connections.
3
Verify that the fuses related to the starter and ignition system are intact.
4
Use an OBD-II scanner to check for any stored error codes that may indicate electrical issues.
5
Confirm that the key fob is functioning and that its battery is charged, if applicable.
6
Test the starter motor by applying power directly to it to see if it engages.

Solution

1. Preparation

Gather tools and materials needed for the repair.
Ensure the vehicle is parked on a flat surface with the parking brake engaged.
Disconnect the negative battery terminal to prevent any electrical shorts.

2. Inspect Battery Connections

Sub-steps:
1. Remove the battery terminals (negative first, then positive).
2. Clean the terminals and battery posts with a wire brush to remove any corrosion.
3. Reconnect the terminals securely (positive first, then negative).
Tools Required: Wire brush, socket set.

3. Check and Replace Fuses

Sub-steps:
1. Locate the fuse box, usually found under the dashboard or in the engine compartment.
2. Use a fuse puller or pliers to check all fuses related to the starting system.
3. Replace any blown fuses with the appropriate amperage rating.
Tools Required: Fuse puller or needle-nose pliers.

4. Test Key Fob and Ignition System

Sub-steps:
1. Replace the key fob battery if it is low.
2. Ensure the fob is properly programmed to the vehicle.
3. If applicable, use a backup key to attempt starting the vehicle.
Tools Required: None, unless key fob battery requires a specific tool.

5. Test and Replace Starter Motor (if necessary)

Sub-steps:
1. If the starter motor does not engage when power is applied, remove it from the vehicle.
2. Follow the manufacturer’s specifications to install a new starter motor if required.
3. Reconnect all electrical connections to the starter securely.
Tools Required: Socket set, torque wrench.