my Ford Explorer Fifth Generation (2011-2019) has an intermittent starting issue, what to do?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

605 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 intermittent starting issues in Ford Explorer (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

•Disconnect the battery before working on electrical systems
•Allow the vehicle to cool before performing any inspections or repairs

Symptoms

•Engine does not crank when the key is turned
•Dashboard lights illuminate but engine fails to start
•Clicking noise when attempting to start
•No response at all when the ignition is turned
•Engine starts after multiple attempts

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any stored diagnostic trouble codes (DTCs)
2
Inspect the battery for proper voltage and connections; check for corrosion on terminals
3
Test the starter motor to ensure it is functioning correctly by bypassing the ignition switch
4
Check the ignition switch by testing the continuity with a multimeter when the key is turned to the start position
5
Examine the fuses and relays associated with the starting system for any that are blown or malfunctioning
6
Inspect wiring harnesses for any signs of damage, wear, or loose connections that could affect starting

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
•Wire brush
•Screwdrivers

Parts Required

•New battery (if necessary)
•Starter motor (if necessary)
•Ignition switch (if necessary)
•Fuses or relays (if necessary)

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any stored diagnostic trouble codes (DTCs)
2
Inspect the battery for proper voltage and connections; check for corrosion on terminals
3
Test the starter motor to ensure it is functioning correctly by bypassing the ignition switch
4
Check the ignition switch by testing the continuity with a multimeter when the key is turned to the start position
5
Examine the fuses and relays associated with the starting system for any that are blown or malfunctioning
6
Inspect wiring harnesses for any signs of damage, wear, or loose connections that could affect starting

Solution

1. Preparation

Gather necessary tools and parts.
Ensure the vehicle is on a flat surface and secure it with wheel chocks.
Disconnect the negative battery terminal to avoid electrical shock.

2. Battery Inspection

Sub-step 1: Remove the battery terminals (negative first).
Sub-step 2: Clean the battery terminals and posts using a wire brush.
Sub-step 3: Test the battery voltage with a multimeter; it should read around 12.6 volts or higher.
Sub-step 4: If the battery is weak or old, replace it with a new one (ensure to use the correct group size).

3. Starter Motor Testing

Sub-step 1: Locate the starter motor (typically found near the bottom of the engine).
Sub-step 2: Use a multimeter to test power at the starter's terminal when the ignition is turned to the start position.
Sub-step 3: If no power is detected, check the ignition switch and wiring.
Sub-step 4: If power is present but the starter is not engaging, replace the starter motor.

4. Ignition Switch Check

Sub-step 1: Access the ignition switch by removing the steering column covers.
Sub-step 2: Use a multimeter to test for continuity across the switch terminals when the key is turned to the start position.
Sub-step 3: If there's no continuity, replace the ignition switch.

5. Fuse and Relay Inspection

Sub-step 1: Locate the fuse box (usually under the dashboard or in the engine compartment).
Sub-step 2: Check the fuses related to the starting system and replace any that are blown.
Sub-step 3: Test the starter relay by swapping it with a similar relay in the fuse box and see if the problem persists.