What the Flashing Red and Blue Temperature Light on Your Subaru Means

Subaru’s temperature light flashes red and blue to indicate an overheating engine.

Subaru Temperature Light Flashing Red And Blue

The Subaru temperature light flashing red and blue is a warning indicator, indicating that your vehicle may be overheating, or in danger of doing so. Checking your engine temperature and taking measures to cool it should be done immediately. It is important to note that this light is separate from the Check Engine Light and should not be confused with it. If the Subaru temperature light continues to flash red and blue, contact a licensed mechanic or service provider as soon as possible doing so could help avoid more costly repairs in the future.

What Causes Subaru Temperature Light Flashing Red And Blue?

When the Subaru temperature light flashes red and blue, it indicates a warning or error code is being stored in the vehicle’s computer. This could be caused by a variety of factors, from low coolant levels to an overheating engine. Checking and retrieving fault codes from the vehicle’s computer is the first step in diagnosing the issue.

Checking Subaru Coolant Level

One of the most common causes of a flashing temperature warning light is low coolant levels. Symptoms can include a decrease in engine performance and visible signs of coolant leaks, so if you notice any of these its important to check your coolant level straight away. Low or empty coolant reservoirs can also result in an overheating engine, so its important to make sure theyre full before you drive.

Understanding How Engine Cooling System Works

The radiator and thermostat are key components of an engine cooling system, working together to ensure that your engine runs at an optimal temperature and doesnt overheat. The radiator absorbs heat from the engine and transfers it out into the atmosphere while regulating your engine temperature with its thermostat. If something goes wrong with either component then your engine can become too hot and cause serious damage to other parts of your vehicle like the head gasket or piston rings.

Subaru Parts Used for Temperature Light Flashing

Several Subaru parts are used for monitoring and controlling temperatures within the vehicle’s cooling system. The radiator plug sensor monitors coolant levels in the radiator, while a radiator cap sensor unit helps regulate pressure within the cooling system. Both components are important for preventing overheating engines as they help keep temperatures at optimal levels for efficient operation.

Signs Of An Overheating Engine

There are several signs that indicate that your engine is overheating, such as visible smoke or steam coming from under your hood, an increase in oil pressure or RPMs, or even a decrease in power output when accelerating. If you experience any of these symptoms then its important to stop driving immediately and diagnose what is causing your Subaru temperature light to flash red and blue before continuing on with your journey.

Preventative Maintenance Tips For Subaru Temperature Warning Light Issue

Maintaining a proper coolant level is essential to keeping your Subaru temperature warning light from flashing red and blue. A yearly service maintenance should include a check of the radiator and antifreeze levels, as well as an inspection to ensure that all of the hoses and clamps are tight and in good condition. Flushing the radiator for preventive maintenance is also recommended, as this will help clear away any debris that may have built up over time.

Car Diagnostics Steps For fixing Subaru Temperature Light Flashing Red And Blue

In order to properly diagnose a Subaru temperature light issue, it is important to use a diagnostic scanner and computerized information system packages available for automobile repairs. This will help identify any potential problems that may be causing the light to flash red and blue. Additionally, it is important to check the EGR (Exhaust Gas Recirculation) valve functionality and cleanliness in order to ensure that all components are working correctly.

Diagnosing Computer Issues in A Subaru Problem

When diagnosing computer issues in a Subaru, it is important to first perform internal diagnostics in order to ensure that all connections are working properly. This includes checking the wiring harness for damage or corrosion that could cause electrical misfire reactions internally in the computer parts. Additionally, it is important to test each component individually before attempting any repairs or replacements of components that control the temperature warning light.

Repair And Replacement Of Components That Control Subaru Temperature Warning Light

In order to repair or replace components that control Subaru temperature warning lights, it is necessary to identify which parts need attention first. Depending on the type of issue being addressed, this could involve replacing bad or faulty parts with new ones or installing a new radiator plug sensor. Once these repairs or replacements have been made, it may also be necessary to reset dashboard lights in order for them to function properly again.

FAQ & Answers

Q: What causes Subaru temperature light flashing red and blue?
A: The Subaru temperature light can flash both red and blue if there is an issue with the vehicle’s warning lights, fault codes, or coolant levels. It could be caused by a coolant leak or a low/empty coolant reservoir tank.

Q: How does the engine cooling system work?
A: The engine cooling system works by transferring heat from the engine to the outside air. The radiator and thermostat are key components in this process. If the engine overheats, the temperature warning light will flash both red and blue.

Q: What parts are used for Subaru temperature light flashing?
A: The radiator plug sensors and radiator cap sensor units are used in combination with one another to monitor the temperature of the engine in order to avoid overheating.

Q: What are signs of an overheating engine?
A: Common signs of an overheating engine include smoking or steam coming from under the hood, as well as a flashing temperature warning light.

Q: What preventive maintenance tips can I use to avoid Subaru temperature warning light issues?
A: It is important to maintain proper coolant levels, flush the radiator for preventive maintenance, and have regular yearly service maintenance done on your vehicle. Diagnostic scanners and computerized information systems packages are also available for automobile repairs if needed.

The Subaru temperature light flashing red and blue is likely indicative of a malfunctioning engine coolant temperature sensor. It is important to have this issue diagnosed and addressed by a qualified technician as soon as possible in order to avoid any potential damage to the engine or other vehicle components.