6.7 Cummins Coolant Temp Sensor Location

The 6.7 Cummins coolant temperature sensor is located in the engine block of the diesel engine. The location is typically on the passenger side of the engine, near the front of the cylinder head, and may be indicated by a red or yellow plastic plug with wiring coming off it. This sensor monitors and regulates engine temperature by sending signals to various components such as fans, injectors, glow plugs and other parts that require cooling.

It’s important to check this sensor regularly for any signs of failure or corrosion from leaks as it can lead to serious damage if left unchecked.

When it comes to keeping your 6.7 Cummins running smoothly, having a properly functioning coolant temperature sensor is essential for monitoring engine performance. Luckily, the location of this important component is relatively easy to find – it’s located near the thermostat housing on the driver side of the engine block. To access and inspect it, you’ll need to remove the intake manifold and disconnect several hoses from their respective fittings before you can reach it.

With some patience and care, replacing or cleaning this crucial part should be a breeze!

Coolant Temperature Sensor Cummings Diesel

Where is the Coolant Temperature Sensor on a Cummins?

The coolant temperature sensor on a Cummins engine is typically located near the thermostat housing. This component measures the temperature of the coolant, allowing your engine to adjust its operation based on real-time information. A malfunctioning or damaged sensor can cause various issues with your vehicle’s performance, so it’s important that this part is in good condition and functioning properly.

Depending on your model of Cummins engine, you may find the coolant temperature sensor either at the top or bottom of the thermostat housing; some models have two sensors for better accuracy. Before attempting to replace this component yourself, be sure to consult an experienced mechanic for advice – improper installation could lead to serious damage being done to your vehicle’s cooling system.

Where are Coolant Temp Sensors Located?

Coolant temperature sensors are an important component of any vehicle’s engine, as they monitor the temperature of the coolant and signal to the computer when it is time for certain actions. Generally speaking, these sensors are located in one of two places: either on the engine block or on the radiator. On most engines, you will find them mounted near where a hose connects from the radiator to the engine itself.

The location varies depending on your car make and model, so be sure to consult your owner’s manual if you need help locating it. Additionally, keep in mind that not all vehicles have a coolant temp sensor; some use other methods such as thermostats instead.

How Do I Know If My Coolant Temp Sensor is Bad?

When it comes to determining whether or not your coolant temperature sensor is bad, there are a few telltale signs that you can look out for. Firstly, if your engine’s dashboard light indicates an overheating warning even though the temperatures appear normal on the gauge then this could be an indication that the sensor is malfunctioning. If you have access to a diagnostic tool then you can use it to check for any codes related to the coolant temperature sensor which will also provide further evidence of a potential issue.

Additionally, if your vehicle has been running excessively hot and consuming more fuel than usual it could also point towards a faulty coolant temp sensor as this would prevent accurate readings from being taken by the ECU. Finally, checking for visible signs of corrosion or damage around where the wiring harness connects with its plug will help determine whether or not replacing this part should be on your agenda!

What Temp Should My 6.7 Cummins Run?

When it comes to figuring out what temperature your 6.7 Cummins should run, the best advice is to consult your vehicle’s owner’s manual. This will provide you with the specific temperature range that is recommended for optimal performance and longevity of your engine. Typically, a 6.7 Cummins should operate at an ideal coolant temperature between 180-220 degrees Fahrenheit (82-104 degrees Celsius).

If the engine runs hotter than this range, it can cause damage over time due to excessive heat or even overheating if not taken care of properly. Checking the coolant level frequently and making sure all components are in good working order is important in keeping temperatures within safe limits. Additionally, avoid running heavy loads or hauling large items as those activities may put more strain on the engine and push temperatures higher than normal.

Keep up with regular maintenance intervals such as oil changes so that all fluids are kept clean and fresh for optimal operation of your 6.7 Cummins engine!

6.7 Cummins Coolant Temp Sensor Location

Credit: www.standardbrand.com

6.7 Cummins Coolant Sensor

The 6.7 Cummins Coolant Sensor is an important component of the engine system in your Dodge Ram 2500 or 3500, as it helps to regulate the temperature of its diesel engine. It monitors coolant levels and sends signals back to the ECU when there are any abnormalities that could lead to overheating or other issues with your vehicle. The sensor also plays a role in controlling fuel economy by ensuring that all components of the cooling system work together efficiently and without fail.

This makes it an essential part of maintaining optimal performance from your truck’s engine!

6.7 Cummins Coolant Temp Sensor Replacement

The 6.7 Cummins coolant temp sensor is a vital component in your engine and must be replaced periodically in order to ensure that the temperature of the engine remains within an optimal range. Replacing this part requires that you drain the cooling system, remove any old parts, install the new coolant temp sensor, then refill and bleed the cooling system. It’s important to use genuine OEM parts for this job as lower-quality aftermarket components may not fit properly or provide accurate readings.

6.7 Cummins Bad Coolant Temp Sensor

A bad coolant temperature sensor can cause a variety of issues in the 6.7 Cummins engine, such as increased fuel consumption, difficulty starting in cold weather, misfiring and poor performance. The coolant temperature sensor monitors the temperature of the engine’s coolant and sends signals to the vehicle’s computer for proper operation. If this sensor fails or becomes damaged it will result in inaccurate readings being sent to your vehicles ECU which can lead to these aforementioned issues.

It is important that if you suspect a faulty coolant temperature sensor on your 6.7 Cummins engine you have it replaced as soon as possible to prevent further damage or problems with your vehicle’s performance.


In conclusion, it is important to understand the location of the 6.7 Cummins coolant temp sensor in order to properly diagnose any issues with your engine temperature. This blog post provided a comprehensive overview of where this sensor can be found, as well as some tips for troubleshooting if you’re having trouble locating it. Knowing where this sensor is located and how to access it could save time and money when dealing with cooling system problems on your 6.7 Cummins engine.


  • Zayn

    Zohn Zayn Smith is a seasoned automotive enthusiast with over 15 years of experience in the industry. As the Founder and Chief Editor of Truckguider, he specializes in Dodge Ram models, including the Ram 1500 and Ram 2500. His deep understanding of these trucks makes him a trusted authority on everything from performance and maintenance to towing capabilities.

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