how to fix a hard starting issue on my Ford Explorer Sixth Generation (2020-present)

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

576 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 hard starting issues in Ford Explorer Sixth Generation (2020-present). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow engine to cool before working on components to prevent burns.

Symptoms

•Engine cranks slowly or intermittently
•Check engine light illuminated
•Battery warning light showing on the dashboard
•Unusual clicking noise when turning the key
•Fuel pump noise not audible during ignition
•Engine misfires or rough idle upon starting

Diagnostic Steps

1
Scan the vehicle's onboard computer with an OBD-II scanner for error codes.
2
Check the battery voltage using a multimeter; ensure it is above 12.4 volts.
3
Inspect battery terminals and cables for corrosion or loose connections.
4
Test the starter motor by bypassing the ignition switch to see if it engages.
5
Verify fuel system operation by checking the fuel pump relay and fuse.
6
Inspect the ignition system components, including spark plugs and coils.

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
•Multimeter
•Socket set
•Torque wrench
•Battery terminal cleaner

Parts Required

•New battery (if needed)
•Starter motor (if needed)
•Fuel pump (if needed)
•Spark plugs (if needed)
•Ignition coils (if needed)

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Diagnostic Steps

1
Scan the vehicle's onboard computer with an OBD-II scanner for error codes.
2
Check the battery voltage using a multimeter; ensure it is above 12.4 volts.
3
Inspect battery terminals and cables for corrosion or loose connections.
4
Test the starter motor by bypassing the ignition switch to see if it engages.
5
Verify fuel system operation by checking the fuel pump relay and fuse.
6
Inspect the ignition system components, including spark plugs and coils.

Solution

1. Preparation

Gather tools and parts listed below.
Disconnect the vehicle battery to prevent electrical shock.
Allow the engine to cool down if previously operated.

2. Battery Inspection and Replacement

Inspect Battery Terminals
- Clean any corrosion with a mixture of baking soda and water.
- Tighten any loose connections.
Test Battery
- If the battery voltage is low, replace the battery with a new one (12V, 600 CCA recommended).
- Ensure proper battery orientation and secure it in place.

3. Starter Motor Assessment

Remove the Starter Motor
- Locate the starter motor near the transmission.
- Disconnect the wiring harness and remove the mounting bolts using a socket set.
- Carefully extract the starter motor from its location.
Test the Starter
- Bench test the starter motor using a power source to ensure it engages correctly.
- If faulty, replace the starter motor with a new unit (OEM recommended).

4. Fuel System Check

Inspect Fuel Pump Relay and Fuse
- Locate the fuse box and check the fuel pump fuse; replace if blown.
- Test the fuel pump relay by swapping it with a similar relay in the fuse box.
Check Fuel Pump Operation
- Turn the ignition to the "ON" position and listen for the fuel pump activation sound.
- If the pump does not operate, consider replacing the fuel pump.

5. Ignition System Check

Inspect Spark Plugs and Coils
- Remove the spark plug wires and inspect the plugs for wear or fouling.
- Replace any faulty spark plugs (OEM specifications: NGK or Motorcraft recommended).
- Check ignition coils for cracks or damage; replace as necessary.