{"id":18458,"date":"2021-05-11T16:59:21","date_gmt":"2021-05-11T15:59:21","guid":{"rendered":"https:\/\/www.kseal.com\/expert-advice\/engine-problems\/normal-engine-coolant-temperature"},"modified":"2024-07-01T16:23:07","modified_gmt":"2024-07-01T15:23:07","slug":"normal-engine-coolant-temperature","status":"publish","type":"page","link":"https:\/\/www.kseal.com\/nz\/expert-advice\/engine-problems\/normal-engine-coolant-temperature","title":{"rendered":"What is a normal engine coolant temperature?"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Several factors can influence your engine&#8217;s coolant temperature, including the engine&#8217;s workload, weather conditions, and the condition of the <\/span><a href=\"https:\/\/www.kseal.com\/nz\/expert-advice\/difference-between-coolant-antifreeze\"><span style=\"font-weight: 400;\">cooling system<\/span><\/a><span style=\"font-weight: 400;\">. It&#8217;s essential to regularly monitor your engine\u2019s (coolant) temperature gauge to ensure it remains within the normal range.<\/span><\/p>\n<p><b>Normal Coolant Temperature<\/b><\/p>\n<p><span style=\"font-weight: 400;\">If your engine\u2019s temperature gauge ever goes into the red zone, you should stop the car immediately before you cause any serious damage to the engine. Normal coolant temperature will be around 195 to 220 Fahrenheit (approx. 90\u00b0C)<\/span><span style=\"font-weight: 400;\">\u00a0<\/span><span style=\"font-weight: 400;\">and anything outside of this range can start causing problems.<\/span><\/p>\n<h2><b>Why is high coolant temperature a bad thing?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Although your vehicle may still run when the <\/span><a href=\"https:\/\/www.kseal.com\/nz\/expert-advice\/engine-problems\/why-is-my-car-overheating\"><span style=\"font-weight: 400;\">temperature is too high<\/span><\/a><span style=\"font-weight: 400;\">, you will be causing unseen damage to the engine internals. <\/span><span style=\"font-weight: 400;\">This can include the following:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Fuel combustion issues: <\/b><span style=\"font-weight: 400;\">High temperatures can lead to knocking or pinging, where fuel combusts prematurely in the engine.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Increased Fuel Consumption<\/b><span style=\"font-weight: 400;\">: The engine has to work harder, burning more fuel.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Piston Damage<\/b><span style=\"font-weight: 400;\">: Excessive heat can damage the pistons, leading to costly repairs.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Head Gasket Failure:<\/b><span style=\"font-weight: 400;\"> Prolonged high temperatures can cause the<\/span><a href=\"https:\/\/www.kseal.com\/nz\/expert-advice\/engine-problems\/how-to-fix-a-blown-head-gasket\"><span style=\"font-weight: 400;\"> head gasket to fail<\/span><\/a><span style=\"font-weight: 400;\"> or the engine head to crack or warp.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">If you have head gasket or<\/span> <a href=\"https:\/\/www.kseal.com\/nz\/expert-advice\/engine-problems\/engine-block\"><span style=\"font-weight: 400;\">engine block<\/span><\/a><span style=\"font-weight: 400;\"> damage then consider using <\/span><a href=\"https:\/\/www.kseal.com\/nz\/products\/k-seal\"><span style=\"font-weight: 400;\">K-Seal<\/span><\/a><span style=\"font-weight: 400;\"> to make a repair and save money over expensive mechanic bills.<\/span><\/p>\n<h2><b>Is low coolant temperature also a bad thing?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Similar to the way that coolant that is too-high in temperature can be an issue, coolant that is too-low in temperature can cause problems as well:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Reduced Engine Efficiency<\/b><span style=\"font-weight: 400;\">: Engines are designed to operate at optimal temperatures. When the coolant temperature is too low, the engine may not reach its ideal operating temperature, leading to reduced efficiency.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Increased Fuel Consumption<\/b><span style=\"font-weight: 400;\">: A cold engine requires more fuel to run properly. This is because the fuel does not <\/span><span style=\"font-weight: 400;\">vaporize <\/span><span style=\"font-weight: 400;\">as easily in a cold engine, leading to incomplete combustion and higher fuel usage.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Increased Emissions<\/b><span style=\"font-weight: 400;\">: Cold engines produce more emissions because the combustion process is less efficient. This can lead to higher levels of harmful pollutants being released into the environment.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Poor Heater Performance<\/b><span style=\"font-weight: 400;\">: The vehicle&#8217;s heater relies on hot coolant to warm the air that is blown into the cabin. If the coolant is too cold, the heater will not function effectively, leading to an uncomfortable driving experience in cold weather.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Engine freeze: <\/b><span style=\"font-weight: 400;\">if the temperature is so low that it is possible for your radiator to get too cold, this can result in your engine freezing up and the car not being able to start.<\/span><\/li>\n<\/ul>\n<figure id=\"attachment_20055\" aria-describedby=\"caption-attachment-20055\" style=\"width: 400px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-20055\" src=\"https:\/\/www.kseal.com\/wp-content\/uploads\/2024\/07\/Piston-Damage.jpg\" alt=\"Worn and damaged motor piston housing.\" width=\"400\" height=\"300\" srcset=\"https:\/\/www.kseal.com\/wp-content\/uploads\/2024\/07\/Piston-Damage.jpg 683w, https:\/\/www.kseal.com\/wp-content\/uploads\/2024\/07\/Piston-Damage-300x225.jpg 300w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><figcaption id=\"caption-attachment-20055\" class=\"wp-caption-text\">Worn and damaged motor piston housing.<\/figcaption><\/figure>\n<h2><b>How to check your engine coolant temperature<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">Monitoring the engine coolant temperature is straightforward with the features available in modern cars<\/span><span style=\"font-weight: 400;\">. The engine (coolant) temperature display on your dashboard will give you a general idea if you are running too hot or too cold.<\/span><\/p>\n<figure id=\"attachment_16208\" aria-describedby=\"caption-attachment-16208\" style=\"width: 400px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-16208\" src=\"https:\/\/www.kseal.com\/wp-content\/uploads\/2019\/04\/engine-overheating.jpg\" alt=\"An engine warning light on the dashboard indicates the engine is overheating.\" width=\"400\" height=\"266\" srcset=\"https:\/\/www.kseal.com\/wp-content\/uploads\/2019\/04\/engine-overheating.jpg 725w, https:\/\/www.kseal.com\/wp-content\/uploads\/2019\/04\/engine-overheating-300x199.jpg 300w, https:\/\/www.kseal.com\/wp-content\/uploads\/2019\/04\/engine-overheating-360x240.jpg 360w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><figcaption id=\"caption-attachment-16208\" class=\"wp-caption-text\">Don&#8217;t let your engine overheat.<\/figcaption><\/figure>\n<p><span style=\"font-weight: 400;\">Cars built after 1996 will generally have an electronic temperature gauge and this can be checked using a diagnostics device. You can purchase a device yourself or have a mechanic check the gauge so you can be sure that the vehicle gauge is reading correctly.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Aside from manual checks, when a vehicle gets too hot, the<\/span><a href=\"https:\/\/www.kseal.com\/nz\/expert-advice\/what-is-the-engine-coolant-temperature-sensor-and-what-does-it-do\"><span style=\"font-weight: 400;\"> engine coolant temperature sensor<\/span><\/a><span style=\"font-weight: 400;\"> is also built in to measure the temperature of engine coolant. This works with the engine fuel unit (ECU) to adjust fuel injection and ignition timing. When the temperature gets too high, the ECU calculates the engine coolant temperature based on a resistance reading and adjusts the ignition timing, fuel mixture, and cooling fan to maintain a consistent temperature.<\/span><\/p>\n<h2><b>How can using K-Seal help your engine coolant temperature?<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">If you suspect there is a coolant leak then we recommend adding a bottle of <\/span><a href=\"https:\/\/www.kseal.com\/nz\/products\"><span style=\"font-weight: 400;\">K-Seal<\/span><\/a><span style=\"font-weight: 400;\"> to the cooling system. Use <\/span><a href=\"https:\/\/www.kseal.com\/nz\/using-k-seal\/instructions\/how-to-use-k-seal\"><span style=\"font-weight: 400;\">K-Seal Coolant Leak Repair<\/span><\/a><span style=\"font-weight: 400;\"> for general leaks or <\/span><a href=\"https:\/\/www.kseal.com\/nz\/products\/k-seal-ultimate\"><span style=\"font-weight: 400;\">K-Seal Ultimate for head gasket<\/span><\/a><span style=\"font-weight: 400;\">, head and block problems.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Once the leak is fixed, the coolant temperature should return to normal. Always keep an eye on the temperature gauge to ensure your engine remains within the optimal temperature range.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">By maintaining your engine at the correct coolant temperature, you ensure better performance, lower fuel consumption, and a longer lifespan for your vehicle.<\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Several factors can influence your engine&#8217;s coolant temperature, including the engine&#8217;s workload, weather conditions, and the condition of the cooling system. It&#8217;s essential to regularly monitor your engine\u2019s (coolant) temperature gauge to ensure it remains within the normal range. Normal Coolant Temperature If your engine\u2019s temperature gauge ever goes into the red zone, you should<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":170,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"acf":[],"_links":{"self":[{"href":"https:\/\/www.kseal.com\/nz\/wp-json\/wp\/v2\/pages\/18458"}],"collection":[{"href":"https:\/\/www.kseal.com\/nz\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.kseal.com\/nz\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.kseal.com\/nz\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kseal.com\/nz\/wp-json\/wp\/v2\/comments?post=18458"}],"version-history":[{"count":3,"href":"https:\/\/www.kseal.com\/nz\/wp-json\/wp\/v2\/pages\/18458\/revisions"}],"predecessor-version":[{"id":20101,"href":"https:\/\/www.kseal.com\/nz\/wp-json\/wp\/v2\/pages\/18458\/revisions\/20101"}],"up":[{"embeddable":true,"href":"https:\/\/www.kseal.com\/nz\/wp-json\/wp\/v2\/pages\/170"}],"wp:attachment":[{"href":"https:\/\/www.kseal.com\/nz\/wp-json\/wp\/v2\/media?parent=18458"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}