why does my Ford Explorer Fifth Generation (2011-2019) battery die after sitting for a few days

Ford Explorer Fifth Generation (2011-2019)

Error Codes

1-2 hours

Time

medium

Difficulty

medium

Severity

3 min read

522 words

Problem Statement

Learn how to diagnose and fix battery issues in Ford Explorer 2011-2019. Step-by-step guide with symptoms, diagnostic steps, 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 electrical systems.
•Allow the engine to cool before handling any components to avoid burns.

Symptoms

•Battery warning light illuminated on the dashboard
•Difficulty starting the engine after the vehicle has been parked
•Electrical components such as lights and radio not functioning properly
•Battery frequently needing a jump start
•Corrosion present on battery terminals

Diagnostic Steps

1
Check battery voltage using a multimeter to determine if the battery is holding a charge.
2
Inspect battery terminals for corrosion or loose connections that could affect performance.
3
Perform a parasitic draw test by measuring the current draw from the battery with the vehicle off.
4
Inspect electrical components that may remain powered after the vehicle is off, such as interior lights or aftermarket devices.
5
Test the battery health using a battery tester to ensure it maintains adequate charge and is not faulty.
6
Verify the charging system by checking the alternator output while the engine is running.

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
•Battery terminal cleaner
•Battery charger

Parts Required

•New battery (if necessary)
•Fuses (if any are found faulty)

Related Faults

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Diagnostic Steps

1
Check battery voltage using a multimeter to determine if the battery is holding a charge.
2
Inspect battery terminals for corrosion or loose connections that could affect performance.
3
Perform a parasitic draw test by measuring the current draw from the battery with the vehicle off.
4
Inspect electrical components that may remain powered after the vehicle is off, such as interior lights or aftermarket devices.
5
Test the battery health using a battery tester to ensure it maintains adequate charge and is not faulty.
6
Verify the charging system by checking the alternator output while the engine is running.

Solution

1. Preparation

Gather tools: multimeter, socket set, wire brush, battery terminal cleaner, and a battery charger.
Ensure safety by wearing gloves and eye protection.

2. Disconnect the Battery

Use a socket set to disconnect the negative terminal first, followed by the positive terminal.
Ensure the battery is completely isolated.

3. Clean Terminals

Use a wire brush and battery terminal cleaner to remove any corrosion from the battery terminals and connectors.
Reconnect terminals securely after cleaning.

4. Test and Replace Battery

If the battery voltage is below 12.4 volts after charging, consider replacing the battery.
Use a battery tester to confirm the health of the battery. Replace if faulty.

5. Address Parasitic Draw

With the multimeter set to measure current, connect it in series with the battery.
Identify and disconnect fuses one at a time to isolate the circuit causing the draw.
Repair or replace components associated with the circuit that is drawing excessive current.

6. Reconnect Battery

Reconnect the positive terminal first, followed by the negative terminal.
Ensure all connections are tight and secure.