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Harley Engine Temperature Sensor Location

harley engine temperature sensor location

If you own a Harley Davidson, keeping it in good condition is a must. One crucial component that you need to keep an eye on is the engine temperature sensor. This sensor plays a vital role in ensuring that your engine runs properly, and if it goes bad, you might be facing serious problems.

So, where is the Harley engine temperature sensor location? Well, the answer depends on the model and year of your bike. However, in most cases, you can find it on the back of the front cylinder, behind the horn. It looks like a spark plug with a plastic oval end and is secured in place by a bolt. If you’re experiencing engine temperature-related issues, this is the first place you should check.

TLDR Summary

If you’re looking for the Harley engine temperature sensor location, you’re in the right place. The engine temperature sensor is a crucial part of your bike’s cooling system, and it’s important to know where it is located in case you need to replace it or troubleshoot an issue.

The engine temperature sensor on a Harley Davidson looks kind of like a spark plug but has a plastic oval end. It is typically located behind the horn, on the back of your front cylinder. Before you remove the sensor, check that it is secured in place. If you need to remove it, make sure to locate it away from engine heat and start the engine and run it until it’s hot.

If your bike stalls at idle only after the engine has warmed up, you might want to check the engine temperature sensor. The sensor can fail over time, causing issues with your bike’s cooling system. Make sure to replace the sensor if you notice any Harley engine temp sensor symptoms such as overheating or stalling.

In summary, the engine temperature sensor is a vital component of your Harley’s cooling system. Make sure you know where it is located and how to identify and fix any issues that come up. If you need to replace the sensor, make sure to do so promptly to avoid any further damage to your bike.

Harley Engine Temperature Sensor Basics

What is a Harley Engine Temperature Sensor?

The Harley engine temperature sensor is a small device that measures the temperature of your motorcycle’s engine. It’s located behind the horn, on the back of your front cylinder. The sensor looks like a spark plug with a plastic oval end. It sends a signal to your motorcycle’s electronic control module (ECM) that helps it determine the correct fuel and timing settings for your engine.

Why is the Harley Engine Temperature Sensor Important?

The Harley engine temperature sensor is very important because it helps your motorcycle’s ECM make sure that your engine is running at the correct temperature. If your engine is too hot or too cold, it can cause problems with your motorcycle’s performance. For example, if your engine is too cold, it may not run smoothly and may stall or hesitate. If your engine is too hot, it may overheat and cause damage to your motorcycle’s engine.

Some symptoms of a faulty Harley engine temperature sensor include stalling at idle after the engine has warmed up, poor fuel economy, and a check engine light. If you are experiencing any symptoms, go to a workshop to determine if your sensor needs to be replaced.

In conclusion, the Harley engine temperature sensor is a small but key part of your engine. It helps your motorcycle run smoothly and efficiently and can help prevent damage to your engine. If you have any performance-related issues with your motorcycle’s performance, it may be worth checking your sensor to see if it needs to be replaced.

Harley Engine Temperature Sensor Location

Where is the Harley Engine Temperature Sensor Located?

If you’re experiencing issues with your Harley’s engine temperature, it might be time to locate the engine temperature sensor. The Harley engine temperature sensor location can vary depending on the model of the bike, so it’s important to know where to look.

For Twin Cam engines, the Harley Twin Cam temp sensor is typically located on the front cylinder head, near the spark plug. On Sportster engines, the Sportster engine temp sensor is usually located on the rear cylinder head, near the exhaust pipe. For Evo engines, the Harley Evo engine temp sensor is often located on the left side of the engine, near the oil filter.

How to Locate the Harley Engine Temperature Sensor

To find Harley engine temperature sensor location, you can refer to the owner’s manual, do some research online or just re-read the section above. Once you know where the sensor is located, you can begin the process of accessing it.

First, make sure the engine is cool to the touch before attempting to remove the sensor. Then, remove any necessary components to gain access to the sensor. This may include removing the air cleaner and/or exhaust pipes.

Once you have access to the sensor, carefully remove it from the engine block. Be sure to handle the sensor with care, as it is a delicate component.

If you’re experiencing symptoms of a faulty engine temperature sensor, such as stalling or poor performance, it’s important to replace the sensor as soon as possible. A malfunctioning sensor can cause serious damage to your engine if left unchecked.

In conclusion, knowing the Harley engine temperature sensor location is very important for maintaining the health of your engine.

Testing the Harley Engine Temperature Sensor

Why Test the Harley Engine Temperature Sensor?

Testing the Harley engine temperature sensor is essential to ensure that your motorcycle’s engine is running at the optimal temperature. If the temperature sensor is not working correctly, which can cause overheating or for it to run too cool, leading to potential engine damage.

How to Test Harley Engine Temperature Sensor

Below is our step-by-step guide on how to test the Harley engine temperature sensor:

  1. Have the engine off and cooled down before testing the sensor.
  2. Locate the sensor, which looks like a spark plug with a plastic oval end, behind the horn on the back of the front cylinder.
  3. Remove the sensor, then plug the connector back into it.
  4. Keep the sensor away from the engine heat and start the engine.
  5. Keep the engine running until it reaches its normal operating temperature.
  6. Then utilize a multimeter to test the resistance of the sensor. The resistance should decrease as the temperature increases.
  7. Compare the resistance readings to the manufacturer’s specifications to determine if the sensor is working correctly.

If the resistance readings are not within the manufacturer’s specifications, then the sensor may need to be replaced. It is essential to replace the sensor with the correct part number to ensure that it works correctly with your motorcycle’s engine.

In conclusion, testing the Harley engine temperature sensor is a straightforward process that can help prevent potential engine damage. By following what we outlined, you’ll ensure that your motorcycle’s engine is running at the optimal temperature and avoid any potential issues.

Common Harley Engine Temperature Sensor Issues

Harley Engine Temp Sensor Symptoms

If you’re experiencing problems with your Harley engine, it could be due to a faulty engine temperature sensor. Some common symptoms of a bad temperature sensor include:

  • Engine stalling or misfiring
  • Poor fuel efficiency
  • Overheating
  • Check engine light turning on
  • Difficulty starting the engine

If you encounter any of the symptoms above, it’s important to check your engine temperature sensor.

How to Fix Harley Engine Temperature Sensor Issues

If you’ve determined that your engine temperature sensor is the problem, there are a few steps you can take to fix it. Here’s what you should do:

  1. Locate the sensor: The engine temperature sensor is typically located on the back of the front cylinder, behind the horn.
  2. Check the sensor’s connection: Make sure the sensor is properly secured in place and that its electrical connector is plugged in tightly.
  3. Test the sensor: Use a multimeter to test the resistance of the sensor. If the resistance is outside of the manufacturer’s recommended range, the sensor needs to be replaced.
  4. Replace the sensor: If the sensor is faulty, you’ll need to replace it with a new one. Harley Davidson dealerships typically carry replacement sensors.
  5. Install the new sensor: Once you have the new sensor, install it in place of the old one. Be sure to secure it tightly and plug in the electrical connector.

By following these steps, you can fix your Harley engine temperature sensor issues and get your bike running smoothly again. Remember, it’s important to regularly check your engine temperature sensor to prevent future problems.

Wrapping Up The Harley Engine Temperature Sensor Location

Now you’ve got a good idea about the Harley engine temperature sensor location and how to diagnose any potential issues with it. Remember, the engine temperature sensor is a critical component of your Harley Davidson motorcycle’s engine management system, and it is very important to keep it in good working condition.

If you notice any issues with your bike stalling at idle or if you see the temperature gauge fluctuating, you should check the engine temperature sensor. The Harley engine temperature sensor location is on the front cylinder head, and you can easily replace it if it is faulty.

When replacing the engine temperature sensor, make sure to use a high-quality replacement part from a reputable supplier. You can find replacement sensors from various sources, including online retailers, Harley Davidson dealerships, and motorcycle parts stores.

If you are unsure about how to replace the engine temperature sensor, you can always consult your motorcycle’s owner’s manual or seek the help of a qualified mechanic. With proper care and maintenance, your Harley Davidson motorcycle will provide you with years of reliable service and enjoyment.