how to fix my Ford Explorer Fifth Generation (2011-2019) that won’t start at all

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

686 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 Ford Explorer that won't start. Step-by-step guide with symptoms, diagnostic steps, tools, and parts required.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the negative battery terminal to prevent electrical shock
•Ensure the vehicle is in a safe, well-ventilated area

Symptoms

•No engine cranking or clicking sounds when the ignition is turned
•Dashboard lights and warning indicators are not illuminated
•Power accessories (radio, lights) are not functioning
•Battery warning light may be illuminated if battery is weak
•No fuel pump activation sound when the ignition is turned to the ON position

Diagnostic Steps

1
Check the battery voltage using a multimeter to ensure it has adequate charge (above 12.4 volts)
2
Inspect battery terminals for corrosion, looseness, or damage
3
Test the fuses related to the ignition system and starter using a fuse tester
4
Verify the condition of the ignition switch by checking for voltage output when the key is turned
5
Inspect the wiring and connections to the starter motor for any signs of damage or disconnection
6
Check the starter relay by swapping it with a similar relay in the fuse box or testing it with a multimeter
7
If applicable, scan for any trouble codes using an OBD-II scanner that may indicate electrical issues

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
•Screwdriver set
•Socket set
•Fuse tester
•Battery charger

Parts Required

•New battery (if applicable)
•New ignition switch (if applicable)
•New starter motor (if applicable)
•Replacement fuses (if applicable)
•New starter relay (if applicable)

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Symptoms

•No engine cranking or clicking sounds when the ignition is turned

•Dashboard lights and warning indicators are not illuminated

•Power accessories (radio, lights) are not functioning

•Battery warning light may be illuminated if battery is weak

•No fuel pump activation sound when the ignition is turned to the ON position

Diagnostic Steps

1
Check the battery voltage using a multimeter to ensure it has adequate charge (above 12.4 volts)
2
Inspect battery terminals for corrosion, looseness, or damage
3
Test the fuses related to the ignition system and starter using a fuse tester
4
Verify the condition of the ignition switch by checking for voltage output when the key is turned
5
Inspect the wiring and connections to the starter motor for any signs of damage or disconnection
6
Check the starter relay by swapping it with a similar relay in the fuse box or testing it with a multimeter
7
If applicable, scan for any trouble codes using an OBD-II scanner that may indicate electrical issues

Solution

1. Preparation

Gather tools and necessary parts.
Disconnect the negative battery terminal to prevent electrical shock.
Ensure the vehicle is in a safe, well-ventilated area.

2. Battery Inspection and Replacement

Inspect the battery terminals:
- Clean any corrosion with a wire brush and a mixture of baking soda and water.
- Tighten the battery terminals securely.
Test the battery:
- If the battery voltage is low, charge it using a battery charger.
- If the battery is old (over 3-5 years) and cannot hold a charge, replace it.
- Parts Required: New battery (if applicable).
- Tools Required: Wire brush, multimeter, battery charger.

3. Starter System Check

Check the ignition switch:
- Remove the ignition switch cover (if necessary) to access the wiring.
- Use a multimeter to check for voltage output when the key is turned to the "start" position. Replace if faulty.
- Parts Required: New ignition switch (if applicable).
- Tools Required: Multimeter, screwdriver set.
Inspect the starter motor:
- Locate the starter motor and check for any damage or loose connections.
- Use a multimeter to check for voltage at the starter when the key is turned to "start." If no voltage, the starter may need replacement.
- Parts Required: New starter motor (if applicable).
- Tools Required: Socket set, multimeter.

4. Relay and Fuse Inspection

Inspect fuses:
- Locate the fuse box and visually inspect the starter and ignition fuses. Replace any blown fuses.
- Parts Required: Replacement fuses (if applicable).
- Tools Required: Fuse tester, screwdriver.
Test the starter relay:
- Swap the starter relay with a similar relay from the fuse box. If the vehicle starts, replace the relay.
- Parts Required: New starter relay (if applicable).
- Tools Required: None, typically.