how to troubleshoot my Ford F-150 13th Generation (2015-2020) that keeps stalling?

Ford F-150 13th Generation (2015-2020)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

4 min read

626 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 troubleshoot and fix stalling issues in Ford F-150 13th Generation (2015-2020). 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 the engine to cool before opening the air intake or throttle body.

Symptoms

•Engine stalling during acceleration
•Rough idle when the engine is running
•Check engine light illuminated
•Difficulty starting the engine
•Poor fuel economy
•Increased emissions

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored fault codes.
2
Inspect the fuel system for issues including fuel pump operation and fuel filter condition.
3
Check the air intake system for clogs or restrictions.
4
Examine ignition components such as spark plugs, ignition coils, and wiring.
5
Test the battery voltage and alternator output to ensure proper electrical supply.
6
Verify the condition of the engine's sensors, particularly the mass airflow (MAF) and throttle position sensor (TPS).

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
•Fuel pressure gauge
•Socket set
•Throttle body cleaner
•Basic hand tools (screwdrivers, wrenches)

Parts Required

•Fuel filter
•Spark plugs
•Ignition coils (if faulty)
•Air filter
•Battery (if faulty)

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to identify any stored fault codes.
2
Inspect the fuel system for issues including fuel pump operation and fuel filter condition.
3
Check the air intake system for clogs or restrictions.
4
Examine ignition components such as spark plugs, ignition coils, and wiring.
5
Test the battery voltage and alternator output to ensure proper electrical supply.
6
Verify the condition of the engine's sensors, particularly the mass airflow (MAF) and throttle position sensor (TPS).

Solution

1. Preparation

Gather necessary tools and parts.
Disconnect the negative battery terminal for safety.
Ensure the vehicle is on a flat surface and use wheel chocks.

2. Fuel System Inspection

Sub-step 1: Access the fuel pump relay in the fuse box and test for proper operation using a multimeter.
Sub-step 2: Check fuel pressure using a fuel pressure gauge. Compare the reading to the manufacturer's specifications (usually around 30-45 PSI).
Sub-step 3: Replace the fuel filter if it is clogged or has not been changed in the last 30,000 miles.

3. Air Intake System Check

Sub-step 1: Remove the air filter and inspect it for dirt or blockages. Replace if necessary.
Sub-step 2: Clean the throttle body using throttle body cleaner and a soft cloth to remove carbon buildup.
Sub-step 3: Ensure there are no vacuum leaks in the intake manifold or around the throttle body.

4. Ignition System Examination

Sub-step 1: Remove spark plugs and inspect for wear and carbon deposits. Replace if necessary.
Sub-step 2: Test ignition coils with a multimeter for proper resistance. Replace any faulty coils.
Sub-step 3: Check wiring and connectors for corrosion or damage.

5. Electrical System Verification

Sub-step 1: Use a multimeter to test the battery voltage; it should be around 12.6 volts when the engine is off and 13.7-14.7 volts when running.
Sub-step 2: Inspect the alternator belt for wear and proper tension.
Sub-step 3: Replace the battery if it shows signs of weakness or fails a load test.

6. Sensor Testing

Sub-step 1: Use a scanner to monitor MAF readings; they should correlate with engine RPM.
Sub-step 2: Test the TPS for proper voltage output at various throttle positions.
Sub-step 3: Replace any faulty sensors based on the diagnostic results.