how to diagnose a Ford Explorer Fifth Generation (2011-2019) that won’t start

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

590 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 no-start condition in Ford Explorer Fifth Generation (2011-2019). 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

•Ensure the vehicle is off and in park
•Always disconnect the battery before working on electrical systems
•Relieve fuel pressure before disconnecting lines
•Be cautious of moving parts; ensure the vehicle is secure
•Ensure ignition is off before removing spark plugs

Symptoms

•Engine cranks but does not start
•No sound when turning the ignition key
•Dashboard lights and accessories function normally
•Fuel gauge may indicate low fuel even when full
•Check engine light illuminated

Diagnostic Steps

1
Check the battery voltage using a multimeter to ensure it is fully charged (12.6 volts or higher)
2
Inspect battery terminals for corrosion or loose connections
3
Use an OBD-II scanner to check for any diagnostic trouble codes (DTCs)
4
Test the starter motor by attempting to bypass the ignition switch
5
Verify fuel pump operation by listening for the pump sound when the ignition is turned to the 'ON' position
6
Check for spark at the spark plugs using a spark tester

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
•OBD-II scanner
•Jumper cables
•Socket set
•Fuel pressure gauge
•Wrench set
•Fuse puller
•Spark tester

Parts Required

•Battery
•Starter motor
•Fuel pump
•Spark plugs

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Check the battery voltage using a multimeter to ensure it is fully charged (12.6 volts or higher)
2
Inspect battery terminals for corrosion or loose connections
3
Use an OBD-II scanner to check for any diagnostic trouble codes (DTCs)
4
Test the starter motor by attempting to bypass the ignition switch
5
Verify fuel pump operation by listening for the pump sound when the ignition is turned to the 'ON' position
6
Check for spark at the spark plugs using a spark tester

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is in a secure location, with the ignition off.
Disconnect the negative battery terminal to prevent electrical shock.

2. Battery Check and Replacement

Sub-steps:
1. Reconnect the negative terminal if previously disconnected.
2. Use a multimeter to measure the battery voltage.
3. If the voltage is below 12.4 volts, charge or replace the battery.
Tools Required: Multimeter, battery charger, wrench set.
Safety Warnings: Ensure the vehicle is off and in park.

3. Starter Motor Inspection

Sub-steps:
1. Locate the starter motor beneath the vehicle (consult the service manual for exact location).
2. Disconnect the electrical connectors from the starter.
3. Use jumper cables to apply power directly to the starter to check functionality.
Tools Required: Jumper cables, socket set.
Safety Warnings: Be cautious of moving parts; ensure the vehicle is secure.

4. Fuel System Check

Sub-steps:
1. Locate the fuel pump relay in the fuse box and check for continuity using a multimeter.
2. If necessary, swap with a similar relay to test.
3. If the relay is functioning, check the fuel pump fuse.
4. If all checks pass, consider replacing the fuel pump.
Tools Required: Multimeter, fuse puller.
Safety Warnings: Relieve fuel pressure before disconnecting lines.

5. Ignition System Verification

Sub-steps:
1. Remove a spark plug and check for wear or damage.
2. Insert a spark tester into the spark plug boot and crank the engine.
3. Observe the spark tester for a spark; if absent, check ignition coils and wiring.
Tools Required: Spark tester, socket set.
Safety Warnings: Ensure ignition is off before removing spark plugs.