{"id":2928,"date":"2021-05-05T10:32:14","date_gmt":"2021-05-05T10:32:14","guid":{"rendered":"https:\/\/www.dubizzle.com\/blog\/cars\/?p=2928"},"modified":"2021-11-26T11:42:27","modified_gmt":"2021-11-26T11:42:27","slug":"car-glow-plug-working","status":"publish","type":"post","link":"https:\/\/www.dubizzle.com\/blog\/cars\/car-glow-plug-working\/","title":{"rendered":"Glow Plug in a Car &#8211; What Is It and How It Works"},"content":{"rendered":"\n<ul class=\"post-jumplink wp-block-list\"><li><a href=\"#h-what-is-a-glow-plug\">What is a glow plug?<\/a><\/li><li><a href=\"#h-how-do-glow-plugs-work\">Glow plug working<\/a><\/li><li><a href=\"#h-types-of-glow-plugs-in-a-car\">Glow plug types<\/a><\/li><li><a href=\"#h-what-are-the-signs-of-a-bad-glow-plug\">Signs of a bad glow plug<\/a><\/li><\/ul>\n\n\n\n<p>A glow plug is an integral part of a diesel engine in vehicles. Its function is similar to that of a spark plug in a petrol engine i.e. to start the engine. However, where a spark plug sparks ignition, a glow plug heats the air and fuel mixture, which in turn ignites the car engine. Here is a detailed guide on glow plug in a car &#8211; its types, components, warnings signs and more.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-a-glow-plug\">What is a glow plug?<\/h2>\n\n\n\n<p>A glow plug is a small heating device in diesel-powered cars. While glow plugs are not necessary all the time, they play an important role in starting a diesel engine. The reason is while a spark is required to ignite the air\/fuel mixture to start the engine, diesel can self-combust if the temperature and pressure are high enough. During summers, diesel engines may not require glow plugs at all.\u00a0<\/p>\n\n\n\n<p>Learn the <a href=\"https:\/\/www.dubizzle.com\/blog\/cars\/petrol-vs-diesel-engine\/\" target=\"_blank\" rel=\"noreferrer noopener\">difference between petrol and diesel engines <\/a>to understand the plugs better. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-does-a-glow-plug-work\">How does a glow plug work?<\/h2>\n\n\n\n<p>Diesel fuel may not ignite during cold weather. What happens is the diesel fuel does not ignite and prevents the air\/fuel mixture from starting the engine. Glow plugs solve the problem. A glow plug in a car acts like a source of heat and increases the diesel fuel temperature making it hot enough to ignite the engine.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-components-of-a-glow-plug\">Components of a glow plug<\/h2>\n\n\n\n<p>A glow plug is made of several components :&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Heating coil<\/li><li>Terminal nut<\/li><li>Regulating coil<\/li><li>Centre electrode<\/li><li>Thread<\/li><li>Insulation powder, which separates the coil from the heater tube<\/li><li>A metal or ceramic shell that covers the exterior<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081423\/Glow-plug-in-a-car-body-A-050520210110-1024x640.jpg\" alt=\"a diesel powered engine of a car\" class=\"wp-image-2930\" srcset=\"https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081423\/Glow-plug-in-a-car-body-A-050520210110-1024x640.jpg 1024w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081423\/Glow-plug-in-a-car-body-A-050520210110-300x188.jpg 300w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081423\/Glow-plug-in-a-car-body-A-050520210110-768x480.jpg 768w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081423\/Glow-plug-in-a-car-body-A-050520210110-640x400.jpg 640w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081423\/Glow-plug-in-a-car-body-A-050520210110-421x263.jpg 421w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081423\/Glow-plug-in-a-car-body-A-050520210110-558x349.jpg 558w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081423\/Glow-plug-in-a-car-body-A-050520210110-363x227.jpg 363w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081423\/Glow-plug-in-a-car-body-A-050520210110-250x156.jpg 250w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081423\/Glow-plug-in-a-car-body-A-050520210110-368x230.jpg 368w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081423\/Glow-plug-in-a-car-body-A-050520210110-774x484.jpg 774w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081423\/Glow-plug-in-a-car-body-A-050520210110-672x420.jpg 672w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081423\/Glow-plug-in-a-car-body-A-050520210110-437x273.jpg 437w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081423\/Glow-plug-in-a-car-body-A-050520210110-301x188.jpg 301w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081423\/Glow-plug-in-a-car-body-A-050520210110-240x150.jpg 240w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081423\/Glow-plug-in-a-car-body-A-050520210110-771x482.jpg 771w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081423\/Glow-plug-in-a-car-body-A-050520210110-669x418.jpg 669w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081423\/Glow-plug-in-a-car-body-A-050520210110-435x272.jpg 435w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>Only diesel-powered engines require glow plugs \n<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-types-of-glow-plugs-in-a-car\">Types of glow plugs in a car<\/h2>\n\n\n\n<p>Glow plugs come in different shapes and sizes today. You should choose the right glow plug based on the model and make of your vehicle. Glow plugs are not interchangeable. Following are the different kinds of a car glow plug: &nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Standard<\/li><li>Self-regulating metal<\/li><li>Quick start<\/li><li>Quick glow system<\/li><li>Pressure sensor glow plug<\/li><\/ul>\n\n\n\n<p>Furthermore, ceramic glow plugs also have two types. These are new high-temperature ceramic and self-regulating ceramic. Both differ in the glow plugs\u2019 capacity to generate maximum voltage and temperature.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-are-the-signs-of-a-bad-glow-plug\">What are the signs of a bad glow plug?<\/h2>\n\n\n\n<p>Since glow plugs play an important role in diesel-powered car engines, driving a car with a faulty glow plug may not be easy. When the glow plugs malfunction, a <a href=\"https:\/\/www.dubizzle.com\/blog\/cars\/car-dashboard-warning-lights\/\" target=\"_blank\" rel=\"noreferrer noopener\">warning light on the dashboard<\/a> flashes. This is a glow plug warning. If this happens, you need to get the glow plugs fixed.\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081540\/Glow-plug-in-a-car-cover-body-C-050520210110-1024x640.jpg\" alt=\"Glow plug warning light in a car\u2019s dashboard\" class=\"wp-image-2932\" srcset=\"https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081540\/Glow-plug-in-a-car-cover-body-C-050520210110-1024x640.jpg 1024w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081540\/Glow-plug-in-a-car-cover-body-C-050520210110-300x188.jpg 300w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081540\/Glow-plug-in-a-car-cover-body-C-050520210110-768x480.jpg 768w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081540\/Glow-plug-in-a-car-cover-body-C-050520210110-640x400.jpg 640w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081540\/Glow-plug-in-a-car-cover-body-C-050520210110-421x263.jpg 421w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081540\/Glow-plug-in-a-car-cover-body-C-050520210110-558x349.jpg 558w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081540\/Glow-plug-in-a-car-cover-body-C-050520210110-363x227.jpg 363w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081540\/Glow-plug-in-a-car-cover-body-C-050520210110-250x156.jpg 250w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081540\/Glow-plug-in-a-car-cover-body-C-050520210110-368x230.jpg 368w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081540\/Glow-plug-in-a-car-cover-body-C-050520210110-774x484.jpg 774w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081540\/Glow-plug-in-a-car-cover-body-C-050520210110-672x420.jpg 672w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081540\/Glow-plug-in-a-car-cover-body-C-050520210110-437x273.jpg 437w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081540\/Glow-plug-in-a-car-cover-body-C-050520210110-301x188.jpg 301w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081540\/Glow-plug-in-a-car-cover-body-C-050520210110-240x150.jpg 240w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081540\/Glow-plug-in-a-car-cover-body-C-050520210110-771x482.jpg 771w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081540\/Glow-plug-in-a-car-cover-body-C-050520210110-669x418.jpg 669w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081540\/Glow-plug-in-a-car-cover-body-C-050520210110-435x272.jpg 435w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>When the glow plugs are not functioning properly, the warning light on the car display shows up<\/figcaption><\/figure>\n\n\n\n<p>However, an early diagnosis of a faulty glow plug in a car is recommended. This way, you can opt for glow plugs replacement without running the risk of being stranded on the road. Given below are the major signs of a faulty glow plug:&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Engine misfiring<\/li><li>Hard starting<\/li><li>Rough idling<\/li><li><a href=\"https:\/\/www.dubizzle.com\/blog\/cars\/white-smoke-from-exhaust\/\" target=\"_blank\" rel=\"noreferrer noopener\">White smoke<\/a><\/li><li>Black smoke<\/li><li>Decreased fuel efficiency<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"640\" src=\"https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081729\/Glow-plug-in-a-car-cover-body-B-050520210110-1024x640.jpg\" alt=\"A mechanic replacing glow plugs in a diesel engine \" class=\"wp-image-2935\" srcset=\"https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081729\/Glow-plug-in-a-car-cover-body-B-050520210110-1024x640.jpg 1024w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081729\/Glow-plug-in-a-car-cover-body-B-050520210110-300x188.jpg 300w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081729\/Glow-plug-in-a-car-cover-body-B-050520210110-768x480.jpg 768w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081729\/Glow-plug-in-a-car-cover-body-B-050520210110-640x400.jpg 640w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081729\/Glow-plug-in-a-car-cover-body-B-050520210110-421x263.jpg 421w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081729\/Glow-plug-in-a-car-cover-body-B-050520210110-558x349.jpg 558w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081729\/Glow-plug-in-a-car-cover-body-B-050520210110-363x227.jpg 363w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081729\/Glow-plug-in-a-car-cover-body-B-050520210110-250x156.jpg 250w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081729\/Glow-plug-in-a-car-cover-body-B-050520210110-368x230.jpg 368w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081729\/Glow-plug-in-a-car-cover-body-B-050520210110-774x484.jpg 774w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081729\/Glow-plug-in-a-car-cover-body-B-050520210110-672x420.jpg 672w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081729\/Glow-plug-in-a-car-cover-body-B-050520210110-437x273.jpg 437w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081729\/Glow-plug-in-a-car-cover-body-B-050520210110-301x188.jpg 301w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081729\/Glow-plug-in-a-car-cover-body-B-050520210110-240x150.jpg 240w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081729\/Glow-plug-in-a-car-cover-body-B-050520210110-771x482.jpg 771w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081729\/Glow-plug-in-a-car-cover-body-B-050520210110-669x418.jpg 669w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/05\/05081729\/Glow-plug-in-a-car-cover-body-B-050520210110-435x272.jpg 435w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>You can replace the faulty glow plugs yourself or hire the services of an auto mechanic <\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-faqs\">FAQs<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-is-the-cost-of-glow-plugs-in-the-uae\"><strong>What is the cost of glow plugs in the UAE?<\/strong><\/h3>\n\n\n\n<p>A new glow plug in the UAE may cost from AED 70 to AED 200.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-are-glow-plugs-easy-to-replace\"><strong>Are glow plugs easy to replace?<\/strong><\/h3>\n\n\n\n<p>Cars may have become more complex now but changing your vehicle&#8217;s glow plugs is mostly an easy job. You can do it yourself. However, before you start, make sure you have a Manual Torque Wrench, and the right glow plugs for your vehicle.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-should-i-replace-all-glow-plugs\"><strong>Should I replace all glow plugs?<\/strong><\/h3>\n\n\n\n<p><a href=\"https:\/\/www.dubizzle.com\/blog\/cars\/spark-plugs-in-a-car\/\" target=\"_blank\" rel=\"noreferrer noopener\">Spark plugs<\/a> and glow plugs should always be replaced in a complete set. Even if all the plugs are not malfunctioning, they are of the same age. Therefore, they are likely to go faulty one after another.\u00a0<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-how-long-do-glow-plugs-last-in-a-diesel-engine\"><strong>How long do glow plugs last in a diesel engine?<\/strong><\/h3>\n\n\n\n<p>On average, glow plugs should last from 150,000 to 180,000 km, depending on your driving style and road conditions.&nbsp;<\/p>\n\n\n\n<p>This is all about a glow plug in a car. Unfortunately, like most car parts, glow plugs are subject to wear and tear. To ensure your car continues to run smoothly, <a href=\"https:\/\/dubai.dubizzle.com\/motors\/auto-accessories-parts\/\" target=\"_blank\" rel=\"noreferrer noopener\">buy used or new car parts <\/a>at affordable rates. However, if the majority of your car parts are failing and the vehicle is beyond repair, you can always <a href=\"https:\/\/dubai.dubizzle.com\/motors\/used-cars\/\" target=\"_blank\" rel=\"noreferrer noopener\">buy a used car<\/a> under your budget.<\/p>\n\n\n\n<p>Stay tuned to the UAE&#8217;s top blog for more information on car parts, how cars work and more. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Glow plugs are a crucial part of car running on diesel engine.  Find out about their function, types and components. <\/p>\n","protected":false},"author":4,"featured_media":2938,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"dubizzle-taxonomy-car-year":[],"dubizzle-taxonomy-body-type":[],"dubizzle-taxonomy-car-doors":[],"dubizzle-taxonomy-car-cylinders":[],"dubizzle-taxonomy-car-extras":[],"dubizzle-taxonomy-car-color":[],"dubizzle-taxonomy-car-fuel-type":[],"class_list":{"0":"post-2928","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-parts-repairs"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.0 (Yoast SEO v26.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Glow Plug in a Car: Working, Types, Components &amp; More | dubizzle<\/title>\n<meta name=\"description\" content=\"Glow plugs play an important role in diesel engines. 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