how to fix the Ford Explorer Fifth Generation (2011-2019) that is stalling on the highway?

Ford Explorer Fifth Generation (2011-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

630 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 stalling issues in Ford Explorer (2011-2019). Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Engine

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 opening any components to avoid burns.

Symptoms

•Check engine light illuminated
•Engine stalls suddenly at highway speeds
•Rough idle when restarting
•Loss of power during acceleration
•Decreased fuel efficiency
•Possible fuel odor near the vehicle

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify potential fault codes.
2
Inspect the fuel system for proper pressure and flow using a fuel pressure gauge.
3
Check the battery and charging system voltage using a multimeter.
4
Examine ignition components including spark plugs, ignition coils, and wires for wear.
5
Inspect the throttle body and air intake for carbon buildup or obstructions.
6
Test the engine's mass air flow (MAF) sensor and throttle position sensor (TPS) for proper operation.

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
•Fuel pressure gauge
•Multimeter
•Socket set
•Torque wrench

Parts Required

•Fuel filter (if needed)
•Fuel pump (if needed)
•Spark plugs
•Ignition coils (if needed)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify potential fault codes.
2
Inspect the fuel system for proper pressure and flow using a fuel pressure gauge.
3
Check the battery and charging system voltage using a multimeter.
4
Examine ignition components including spark plugs, ignition coils, and wires for wear.
5
Inspect the throttle body and air intake for carbon buildup or obstructions.
6
Test the engine's mass air flow (MAF) sensor and throttle position sensor (TPS) for proper operation.

Solution

1. Preparation

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

2. Fuel System Inspection

Tools Required: Fuel pressure gauge, line wrenches
Steps:
1. Locate the fuel pressure test port on the fuel rail.
2. Connect the fuel pressure gauge to the test port.
3. Turn the ignition to the "On" position (do not start) to check for fuel pressure.
4. Compare the reading with manufacturer specifications (typically 50-60 psi). If pressure is low, check for clogs in the fuel filter or malfunctioning fuel pump.
5. Replace the fuel filter if it is clogged, or replace the fuel pump if necessary.

3. Check Electrical Components

Tools Required: Multimeter
Steps:
1. Reconnect the battery and start the vehicle.
2. Use a multimeter to measure battery voltage (should be around 12.6 volts).
3. Start the engine and measure voltage again (should be between 13.5 to 14.5 volts).
4. If voltage is low at any point, inspect the alternator and battery connections for corrosion or looseness.

4. Inspect and Replace Ignition Components

Tools Required: Socket set, torque wrench
Steps:
1. Remove the engine cover if applicable.
2. Disconnect the ignition coils from the spark plugs.
3. Inspect each spark plug for wear or fouling; replace if necessary (gapping plugs to manufacturer's specifications).
4. Replace ignition coils if they show signs of damage or wear.
5. Reassemble the components and torque to manufacturer specifications.

5. Throttle Body Cleaning

Tools Required: Throttle body cleaner, soft cloth
Steps:
1. Remove the air intake duct to access the throttle body.
2. Spray throttle body cleaner onto a soft cloth and wipe the throttle body to remove carbon buildup.
3. Open the throttle plate manually to clean the edges and behind the plate.
4. Reinstall the air intake duct securely.