Browse

Antiques Collectibles Apparel Baby Kids Items Books， Movies And Music Electronics Free Stuff Garden Outdoor Health Beauty Home Goods Home Improvement Supplies Musical Instruments Office Supplies Pet Supplies Sporting Goods Ticket Toys Games Transportation Others

Used Cars New Cars Others

Business Crafts Design And Web Events Home Improvement Legal Lessons Personal Pets Photography Repair And Technical Support Wellness Writing， Translation， And Transcription Others

Activities & Groups Artists & Musicians Classes & Lessons Events Friendship & Networking Lost & Found Rideshare Sports Teams Volunteers Travel & Travel Partners Skills & Language Swap Other

What to Do When Engine Coolant Temperature is Too High?

2 Answers

DelElaina

07/29/25 7:13am

Engine coolant temperature is too high solution is: unscrew the radiator cap a small crack, wait for the water vapor to slowly discharge, after the radiator pressure drops, add cold water or coolant. The main functions of coolant are: 1. When parking in winter, prevent the coolant from freezing and cracking the radiator and freezing the engine cylinder block or cover; 2. When the temperature is high in summer, it can effectively prevent boiling and avoid the phenomenon of boiling over. The reasons for the engine coolant temperature being too high are: 1. The outer surface of the radiator is too dirty or internally clogged; 2. Insufficient or leaking coolant; 3. Damaged thermostat; 4. Damaged water pump; 5. Damaged cooling fan and control system.

Was this review help?

3

0

Share

VanNevaeh

08/12/25 10:33am

I encountered a temperature gauge warning light shortly after driving, so I immediately pulled over to a safe spot, turned off the engine, and let it cool down. Common causes include insufficient coolant or leaks, so the first step is to check the fluid reservoir level. If it's empty or too low, wait for the car to cool before adding distilled water or the same type of coolant as a temporary fix. Issues with the cooling system, such as a malfunctioning fan or a clogged radiator, can also cause overheating. Hot summer weather combined with traffic jams and running the AC increases the load. Regularly clean dust and debris from the radiator and replace the coolant every two years to prevent degradation. Ignoring overheating can lead to head gasket damage or even engine failure, so after such an incident, it's best to take the car to a repair shop for a thorough inspection of components like the water pump and thermostat.

Was this review help?

3

3

Share

Expand All

More Forum Discussions

What Causes the Engine Malfunction Indicator to Flash?

The engine malfunction light may illuminate due to the following 7 main reasons: Sensor failure: Sensors such as coolant temperature, crankshaft position, air flow, intake temperature, and oxygen sensors, when damaged, poorly connected, or signaling interrupted, prevent the vehicle's ECU from accurately obtaining engine data, triggering the malfunction light. Fuel quality issues: Failure to use the fuel and engine oil as recommended by the manufacturer may cause engine wear, leading to the malfunction light activation. Poor fuel mixture combustion: Poor combustion can result in engine carbon buildup or knocking. When detected by the oxygen sensor and reported to the ECU, the malfunction light will illuminate as a warning. Issues like spark plug failure, ignition coil failure, fuel pump failure, or clogged fuel lines can all cause poor fuel mixture combustion. Turbocharging problems: The intake boost piping or turbocharger can also trigger the engine malfunction light. The most common issue is turbocharger damage, accompanied by symptoms such as oil leaks, excessive oil consumption, reduced power, metallic noises, or blue/black smoke from the exhaust. Intake problems: If the vehicle's intake system is compromised, it may lead to engine pipe blockages, and in severe cases, the malfunction light will illuminate. A dirty or uncleaned air filter can cause intake issues. Exhaust problems: Exhaust system failures can also activate the engine malfunction light. Common causes include rear oxygen sensor failure, catalytic converter issues, exhaust camshaft and bearing failures, with the catalytic converter being the most frequent. Using leaded gasoline, lead or silicon-containing lubricant additives, physical damage to the catalytic converter, or fuel system malfunctions can easily lead to catalytic converter problems. Anti-theft system malfunction: If the vehicle's electronic anti-theft system fails or if there's a mismatch between the anti-theft controller and the engine ECU, the anti-theft system can prevent the engine from operating normally, accompanied by the malfunction light activation. If the engine malfunction light is on, follow these steps: First, check if the engine is running normally, looking for signs like shaking or black smoke. If such symptoms are present, avoid restarting the engine. Especially, do not restart if the light is red. If the engine can be started, turn it off and wait 5-10 minutes. Without pressing the brake, press the start button once or turn the key halfway to the 'ON' position without depressing the clutch. The vehicle will initiate a self-check upon powering up. Observe if the malfunction light turns off after 5-10 seconds. If the light remains on, visit a service station as soon as possible. Technicians can use a portable diagnostic tool to read the fault codes, identify the issue, and perform targeted repairs.

How to Use the Mercedes-Benz Headlight Cleaning Function?

The usage of the Mercedes-Benz headlight cleaning function is to press the windshield cleaning button five times consecutively while the headlights are on. The Mercedes-Benz lineup includes models such as the Mercedes-Benz E-Class, S-Class, GLC, A-Class, GLS, and Maybach S-Class. Taking the 2021 Mercedes-Benz GLC as an example, it features a 5-door, 5-seat SUV crossover body structure. Its dimensions are: length 4729mm, width 1890mm, height 1602mm, wheelbase 2873mm, fuel tank capacity 66L, luggage capacity 580L, and curb weight 1840kg.

What are the causes of engine shaking when the car is cold?

Car cold engine shaking causes are: 1. Engine mechanical failure, uneven cylinder pressure; 2. Intake pipe leakage, excessive carbon deposits on intake valves and intake pipes, or excessive dirt on throttle and intake pipe walls; 3. Abnormal water temperature and intake temperature signals or circuit faults; 4. Excessive carbon deposits on spark plugs or damaged ignition coils; 5. High-voltage wires and distributor cap leakage; 6. Excessive internal carbon deposits in fuel injectors causing poor sealing or blockage. Solutions for car cold engine shaking: 1. Check for engine faults or clean engine carbon deposits; 2. Check the working condition of spark plugs and ignition coils; 3. Check for circuit issues.

What is the difference between the c200 and c200l?

The difference between the c200 and c200l lies in their body dimensions: the c200 measures 4526mm in length, 1728mm in width, and 1427mm in height; the c200l measures 4784mm in length, 1810mm in width, and 1457mm in height. The Mercedes-Benz C-Class is equipped with an active safety system, intelligent lighting system, preventive safety system, passenger safety protection system, and rescue tools. Externally, the car has a stylish and premium appearance, with the new front fascia design being more dynamic, and the scratch-resistant paint being a major highlight. The interior features fine craftsmanship and excellent sound quality.

Does Flooring the Gas Pedal Damage the Car?

Flooring the gas pedal can damage the car, manifesting in the following ways: 1. Incomplete Combustion: Frequent flooring of the gas pedal will inevitably lead to severe carbon buildup in the engine; 2. Engine Wear: At high RPM and under heavy load, if the engine oil has poor characteristics, internal engine wear intensifies, potentially causing mechanical damage such as cylinder scoring, especially when the engine is cold; 3. Damage to the Drivetrain: Besides harming the engine, flooring the gas pedal can also cause certain damage to the drivetrain, especially in automatic transmission models. Shifting gears at high speeds generates massive impact forces that the clutch or torque converter must absorb. Although these components are designed to withstand impacts, excessive wear shortens their lifespan.

Are Engine Coolant and Antifreeze the Same Thing?

Engine coolant and antifreeze are the same thing, and their functions are: 1. To provide anti-corrosion protection for the engine's cooling system; 2. To prevent the water from boiling when the engine temperature reaches 100 degrees Celsius; 3. To prevent the formation of scale, thereby avoiding a reduction in the radiator's cooling efficiency; 4. To ensure the engine operates normally under low temperatures. The method for replacing antifreeze is: 1. Open the vehicle's engine hood, and you can see the coolant reservoir in the upper right corner; 2. Open the antifreeze plug under the radiator to drain the old antifreeze; 3. Add new antifreeze, tighten the cap, and the antifreeze replacement is complete.

Trending Ranking

What is the difference between Castrol 5w30 and 5w40?

How to Use the Civic's Air Conditioning?

How to Start the Mazda 3 When the Key Fob Battery Dies?

What are the reasons for a car stalling after ignition?

Can You Shift from Third Gear Back to First Gear?

What level is the Volvo C30?

What are the maintenance items for small cars?

Is the fuel filter of Haima S5 externally mounted or internally mounted?

How to Use BMW Headlight Automatic Cleaning?

Where is the fuel tank switch located in the Passat?

More Forum Discussions

Will the car engine get water in on rainy days?

Where is the anti-theft screw for Mercedes S400?

What is the fuel consumption of the Geely Emgrand automatic transmission?

What are the body dimensions of the Jaguar F-TYPE?

Help

Cookie

Cookie Settings

© 2025 Servanan International Pte. Ltd.