why does my Ford Explorer Sixth Generation (2020-present) hesitate when starting

Ford Explorer Sixth Generation (2020-present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

600 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 hesitation when starting your 2020-2023 Ford Explorer. 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 the engine to cool before inspecting components to avoid burns

Symptoms

•Engine cranks but does not start immediately
•Delayed response when turning the key or pressing the start button
•Occasional stalling during initial start-up
•Check engine light illuminated
•Unusual sounds (e.g., clicking or grinding) during starting

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for diagnostic trouble codes (DTCs)
2
Inspect the battery voltage and connections for corrosion or loose terminals
3
Test the starter motor for proper operation using a multimeter
4
Check the fuel pump operation by listening for the pump's sound when the ignition is turned on
5
Verify the integrity of the ignition system, including spark plugs and ignition coils
6
Inspect the fuel system for any possible clogs or issues with the fuel filter

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
•Fuel pressure gauge
•Wire brush
•Wrench set

Parts Required

•Replacement battery (if necessary)
•Starter motor (if necessary)
•Fuel filter (if necessary)
•Spark plugs (if necessary)
•Ignition coils (if necessary)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for diagnostic trouble codes (DTCs)
2
Inspect the battery voltage and connections for corrosion or loose terminals
3
Test the starter motor for proper operation using a multimeter
4
Check the fuel pump operation by listening for the pump's sound when the ignition is turned on
5
Verify the integrity of the ignition system, including spark plugs and ignition coils
6
Inspect the fuel system for any possible clogs or issues with the fuel filter

Solution

1. Preparation

Gather necessary tools and parts. Ensure the vehicle is parked on a level surface and the engine is off.
Disconnect the negative battery terminal to prevent any electrical shorts.

2. Battery Inspection

Sub-steps:
1. Remove the battery cover if applicable.
2. Check battery terminals for corrosion; clean with a wire brush if necessary.
3. Measure battery voltage with a multimeter; it should be at least 12.6 volts for a fully charged battery.
Tools Required: Multimeter, wire brush, wrench set.

3. Starter Motor Testing

Sub-steps:
1. Locate the starter motor, typically near the bottom of the engine near the transmission.
2. Use a multimeter to check for voltage at the starter motor when the ignition is turned to the start position.
3. If voltage is present but the starter does not engage, replace the starter motor.
Tools Required: Multimeter, socket set, wrench set.

4. Fuel System Check

Sub-steps:
1. Locate the fuel pump relay and check for proper operation by replacing it with a known good relay or testing with a multimeter.
2. If necessary, replace the fuel filter if it appears clogged or has not been replaced as per maintenance schedule.
3. Test the fuel pressure using a fuel pressure gauge; ensure it meets manufacturer specifications.
Tools Required: Fuel pressure gauge, socket set, replacement fuel filter as needed.

5. Ignition System Inspection

Sub-steps:
1. Remove spark plugs using a spark plug socket and inspect for wear or fouling.
2. Test ignition coils with a multimeter to ensure they are functioning properly.
3. Replace any faulty spark plugs or ignition coils as necessary.
Tools Required: Spark plug socket, multimeter, socket set.