2019 Ford Expedition: Auto Start Stop Not Working?

Have you been experiencing problems with your 2019 Ford Expedition’s Auto Start Stop feature If so, you’re not alone. This is a common issue that can be frustrating and inconvenient. But don’t worry, there is a fix! In this guide, we will walk you through the steps to troubleshoot and resolve the issue. We’ll also provide some tips on how to prevent it from happening again. So if you’re ready to get your Expedition’s Auto Start Stop feature working again, read on!

Reasons Why 2019 Ford Expedition Auto Start Stop Not Working

Here are the reasons:

Reasons why a 2019 Ford Expedition’s auto start-stop system may not be working

The battery is weak:
The auto start-stop system requires a healthy battery in order to function properly. If the battery is weak, the system may not be able to start the engine when it is turned off.

The alternator is not charging the battery properly:
The alternator is responsible for charging the battery when the engine is running. If the alternator is not working properly, the battery may not have enough power to start the engine when it is turned off.

The starter motor is not working properly:
The starter motor is responsible for starting the engine. If the starter motor is not working properly, the engine may not be able to start when it is turned off.

The engine control module (ECM) is not sending the correct signals to the auto start-stop system:
The ECM is responsible for controlling the auto start-stop system. If the ECM is not sending the correct signals, the system may not be able to function properly.

The auto start-stop system is not properly calibrated:
The auto start-stop system may need to be calibrated in order to function properly. If the system is not calibrated correctly, it may not be able to start the engine when it is turned off.

How to Troubleshoot: 2019 Ford Expedition Auto Start Stop Not Working

Symptoms

There are a few symptoms that you may experience if the auto start-stop feature on your 2019 Ford Expedition is not working properly. These include:

The engine does not automatically shut off when you come to a stop.
The engine does not automatically start back up when you release the brake pedal.
The auto start-stop feature is disabled in the vehicle’s settings.
The check engine light is illuminated on the dashboard.

Causes

There are a number of potential causes for the auto start-stop feature on your 2019 Ford Expedition not working properly. These include:

A faulty battery.
A faulty alternator.
A faulty engine control module (ECM).
A faulty brake pedal switch.
A faulty start-stop sensor.

Troubleshooting

To troubleshoot the auto start-stop feature on your 2019 Ford Expedition, you will need to:

1. Check the battery voltage. The battery voltage should be between 12.6 and 13.2 volts. If the battery voltage is low, you will need to charge the battery or replace it.
2. Check the alternator output. The alternator output should be between 13.6 and 14.4 volts. If the alternator output is low, you will need to replace the alternator.
3. Check the engine control module (ECM). The ECM is responsible for controlling the auto start-stop feature. If the ECM is faulty, you will need to have it replaced.
4. Check the brake pedal switch. The brake pedal switch tells the ECM when the brake pedal is pressed. If the brake pedal switch is faulty, you will need to replace it.
5. Check the start-stop sensor. The start-stop sensor tells the ECM when the vehicle is stopped. If the start-stop sensor is faulty, you will need to replace it.

Resetting the Auto Start-Stop Feature

If you have checked all of the above and the auto start-stop feature is still not working, you may need to reset it. To reset the auto start-stop feature, follow these steps:

1. Turn the ignition switch to the ON position.
2. Press and hold the Start/Stop button for 5 seconds.
3. The auto start-stop feature will be reset.

Conclusion

If you are having trouble with the auto start-stop feature on your 2019 Ford Expedition, you should take it to a qualified mechanic for diagnosis and repair.

Also Read: 2019 Ford Expedition Horn Not Working

FAQs: 2019 Ford Expedition Auto Start Stop Not Working

Why is my 2019 Ford Expedition’s auto start stop not working?

There are a few possible reasons why your 2019 Ford Expedition’s auto start stop may not be working. Here are some of the most common causes:

The battery is low: The auto start stop system requires a healthy battery to function properly. If your battery is low, the system may not be able to start the engine when you turn the key off.

The alternator is not working properly: The alternator is responsible for charging the battery. If the alternator is not working properly, it may not be able to provide enough power to the battery to keep it charged. This can also cause the auto start stop system to malfunction.

The engine control module (ECM) is not programmed correctly: The ECM is responsible for controlling the auto start stop system. If the ECM is not programmed correctly, it may not be able to communicate with the other components of the system properly. This can also cause the system to malfunction.

The auto start stop system is faulty: The auto start stop system is a complex system, and there is always the possibility that it may malfunction. If you have tried all of the other possible causes and the system is still not working, it may be necessary to have it repaired or replaced.

How do I reset my 2019 Ford Expedition’s auto start stop system?

To reset the auto start stop system on your 2019 Ford Expedition, follow these steps:

1. Turn off the engine and remove the key from the ignition.
2. Press and hold the start button for 10 seconds.
3. Turn the key to the On position and release the start button.
4. The auto start stop system will be reset.

How do I turn off the auto start stop system on my 2019 Ford Expedition?

To turn off the auto start stop system on your 2019 Ford Expedition, follow these steps:

1. Press the Settings button on the infotainment system.
2. Select Vehicle.
3. Select Engine Start-Stop.
4. Toggle the Engine Start-Stop switch to the Off position.

Is it bad for my 2019 Ford Expedition’s engine to use the auto start stop system?

There is some debate over whether or not it is bad for your 2019 Ford Expedition’s engine to use the auto start stop system. Some people believe that it can damage the engine, while others believe that it is harmless.

The truth is, there is no definitive answer to this question. Some studies have shown that the auto start stop system can reduce engine wear and tear, while other studies have shown that it can actually increase engine wear and tear.

Ultimately, the decision of whether or not to use the auto start stop system is up to you. If you are concerned about the potential damage to your engine, you can simply turn the system off.

What are the benefits of using the auto start stop system on my 2019 Ford Expedition?

There are a few benefits to using the auto start stop system on your 2019 Ford Expedition. These benefits include:

Improved fuel economy: The auto start stop system can help to improve fuel economy by reducing the amount of time the engine is running when the vehicle is idling.

Reduced emissions: The auto start stop system can also help to reduce emissions by reducing the amount of time the engine is running when the vehicle is idling.

Improved comfort: The auto start stop system can help to improve comfort by reducing the amount of noise and vibration from the engine when the vehicle is idling.

Overall, the auto start stop system can be a beneficial feature for your 2019 Ford Expedition. It can help to improve fuel economy, reduce emissions, and improve comfort.