how to fix my Ford Explorer Sixth Generation (2020-present) that won’t start

Ford Explorer Sixth Generation (2020-present)

Error Codes

1-3 hours

Time

medium

Difficulty

high

Severity

3 min read

564 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 the no-start issue in the 2020 Ford Explorer. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical components.
•Ensure the engine is cool before inspecting any engine components.

Symptoms

•Check engine light illuminated
•No response when turning the key or pressing the start button
•Clicking sound from the engine bay
•Dashboard lights dim or flicker
•Battery warning light may be on
•Electrical accessories functioning intermittently

Diagnostic Steps

1
Check the battery voltage using a multimeter to ensure it’s above 12.4 volts.
2
Inspect battery terminals for corrosion and ensure they are tightly connected.
3
Test the ignition fuse using a multimeter or visual inspection for any blown fuses.
4
Scan for error codes using an OBD-II scanner to identify any underlying issues.
5
Verify the operation of the starter motor by checking for voltage at the starter terminal.
6
Check the neutral safety switch by attempting to start the vehicle in both park and neutral positions.

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
•Socket set
•Wire brush
•OBD-II scanner

Parts Required

•New battery (if found faulty)
•Fuses and relays (if necessary)
•Neutral safety switch (if replacement is needed)

Related Faults

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Diagnostic Steps

1
Check the battery voltage using a multimeter to ensure it’s above 12.4 volts.
2
Inspect battery terminals for corrosion and ensure they are tightly connected.
3
Test the ignition fuse using a multimeter or visual inspection for any blown fuses.
4
Scan for error codes using an OBD-II scanner to identify any underlying issues.
5
Verify the operation of the starter motor by checking for voltage at the starter terminal.
6
Check the neutral safety switch by attempting to start the vehicle in both park and neutral positions.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a flat surface, and the parking brake is engaged.
Disconnect the negative battery terminal to avoid any electrical shorts.

2. Battery Inspection and Replacement

Inspect Battery:
- Remove any corrosion from battery terminals using a wire brush.
- Check the battery voltage; if below 12.4 volts, charge or replace the battery.
Replace Battery (if necessary):
- Remove the battery hold-down bracket using a socket set.
- Carefully lift the old battery out of the tray.
- Place the new battery in the tray, ensuring correct polarity.
- Reattach the hold-down bracket and securely tighten it.

3. Starter Motor Inspection

Test Starter Motor:
- Reconnect the negative battery terminal.
- Use a multimeter to check for voltage at the starter motor terminal while attempting to start the vehicle.
- If no voltage is present, trace back to the ignition switch and wiring harness for any faults.

4. Ignition Fuse and Relay Replacement

Inspect and Replace Fuses:
- Locate the fuse box (usually located under the dashboard or in the engine compartment).
- Check the ignition and starter relay fuses for continuity.
- Replace any blown fuses with new ones of the same amperage.

5. Neutral Safety Switch Adjustment

Adjust or Replace Neutral Safety Switch:
- Locate the neutral safety switch on the transmission.
- Inspect the switch for proper alignment and function.
- If faulty, replace the switch following manufacturer specifications.