{"id":33069,"date":"2021-11-19T12:44:02","date_gmt":"2021-11-19T12:44:02","guid":{"rendered":"https:\/\/www.dubizzle.com\/blog\/cars\/?p=33069"},"modified":"2021-12-22T09:38:02","modified_gmt":"2021-12-22T09:38:02","slug":"car-diagnostic-test","status":"publish","type":"post","link":"https:\/\/www.dubizzle.com\/blog\/cars\/car-diagnostic-test\/","title":{"rendered":"What is a Car Diagnostic Test and its Significance"},"content":{"rendered":"\n<p>A car diagnostic test comes in handy when you don\u2019t know what is wrong with your car \u2013 it\u2019s as simple as that. All car owners may think that they know their cars best but when it comes to identifying the problem behind an unexplained illuminated check engine light, you have to resort to a full car diagnostic test in that case.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>WHAT IS A CAR DIAGNOSTIC TEST?<\/strong><\/h2>\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\/11\/18123834\/Car-Diagnostic-Test-E-181121-1024x640.jpg\" alt=\"car engine diagnostic test \" class=\"wp-image-33104\" srcset=\"https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123834\/Car-Diagnostic-Test-E-181121-1024x640.jpg 1024w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123834\/Car-Diagnostic-Test-E-181121-300x188.jpg 300w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123834\/Car-Diagnostic-Test-E-181121-768x480.jpg 768w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123834\/Car-Diagnostic-Test-E-181121-640x400.jpg 640w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123834\/Car-Diagnostic-Test-E-181121-421x263.jpg 421w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123834\/Car-Diagnostic-Test-E-181121-558x349.jpg 558w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123834\/Car-Diagnostic-Test-E-181121-363x227.jpg 363w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123834\/Car-Diagnostic-Test-E-181121-250x156.jpg 250w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123834\/Car-Diagnostic-Test-E-181121-368x230.jpg 368w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123834\/Car-Diagnostic-Test-E-181121-774x484.jpg 774w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123834\/Car-Diagnostic-Test-E-181121-672x420.jpg 672w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123834\/Car-Diagnostic-Test-E-181121-437x273.jpg 437w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123834\/Car-Diagnostic-Test-E-181121-301x188.jpg 301w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123834\/Car-Diagnostic-Test-E-181121-240x150.jpg 240w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123834\/Car-Diagnostic-Test-E-181121-771x482.jpg 771w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123834\/Car-Diagnostic-Test-E-181121-669x418.jpg 669w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123834\/Car-Diagnostic-Test-E-181121-435x272.jpg 435w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>A car diagnostic test check the engine bay thoroughly to determine if all the parts are functioning properly <\/figcaption><\/figure>\n\n\n\n<p>A automotive diagnostic test is a digital analysis of a car\u2019s different internal parts and computer systems. This test is performed using professional car diagnostic tools and software by an automotive technician. They collect data created in the vehicle\u2019s computer system, analyse and then fix problems (if any) detected during the test in the engine, throttle, oil tank, transmission and others.&nbsp;<\/p>\n\n\n\n<p>A full car diagnostic test requires professional expertise and knowledge as well as special tools. However, to some extent you can DIY, if you know <a href=\"https:\/\/www.dubizzle.com\/blog\/cars\/car-diagnostic-tool-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\">how to use an automotive diagnostic tool<\/a>.\u00a0<\/p>\n\n\n\n<p>Read on to gain some basic knowledge of car engine diagnostic tests and its importance.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>BENEFITS OF CAR DIAGNOSTIC TESTS<\/strong><\/h2>\n\n\n\n<p>If you\u2019re wondering whether car diagnostic tests are even worth the effort or not, here are some reasons to change your mind.<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>These tests help detect errors way before they cause severe issues in the engine bay, hence, save you from expensive repairs.\u00a0<\/li><li>Besides extending the life of your vehicle, these tests can save the lives of those commuting with you as well as passengers in other vehicles . An automotive diagnostic test can alert you that its time to change your car brakes before they become spongy or completely fail.\u00a0<\/li><li>It checks your <a href=\"https:\/\/www.dubizzle.com\/blog\/cars\/car-computer-importance\/\" target=\"_blank\" rel=\"noreferrer noopener\">car\u2019s onboard computer system<\/a> for stored information or notifications by the manufacturer. The data, if extracted, can aid auto technicians fix the issue easily.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>HOW OFTEN A CAR DIAGNOSTIC TEST SHOULD BE PERFORMED?<\/strong><\/h2>\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\/11\/18123442\/Car-diagnostic-test-181120210535-1024x640.jpg\" alt=\"check engine light on indicating a problem \" class=\"wp-image-33093\" srcset=\"https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123442\/Car-diagnostic-test-181120210535-1024x640.jpg 1024w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123442\/Car-diagnostic-test-181120210535-300x188.jpg 300w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123442\/Car-diagnostic-test-181120210535-768x480.jpg 768w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123442\/Car-diagnostic-test-181120210535-640x400.jpg 640w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123442\/Car-diagnostic-test-181120210535-421x263.jpg 421w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123442\/Car-diagnostic-test-181120210535-558x349.jpg 558w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123442\/Car-diagnostic-test-181120210535-363x227.jpg 363w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123442\/Car-diagnostic-test-181120210535-250x156.jpg 250w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123442\/Car-diagnostic-test-181120210535-368x230.jpg 368w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123442\/Car-diagnostic-test-181120210535-774x484.jpg 774w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123442\/Car-diagnostic-test-181120210535-672x420.jpg 672w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123442\/Car-diagnostic-test-181120210535-437x273.jpg 437w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123442\/Car-diagnostic-test-181120210535-301x188.jpg 301w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123442\/Car-diagnostic-test-181120210535-240x150.jpg 240w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123442\/Car-diagnostic-test-181120210535-771x482.jpg 771w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123442\/Car-diagnostic-test-181120210535-669x418.jpg 669w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123442\/Car-diagnostic-test-181120210535-435x272.jpg 435w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>A car diagnostic test can be performed when the check engine light turns on<\/figcaption><\/figure>\n\n\n\n<p>The need for a car diagnostic test usually arises when the vehicle\u2019s <a href=\"https:\/\/www.dubizzle.com\/blog\/cars\/car-dashboard-warning-lights\/\" target=\"_blank\" rel=\"noreferrer noopener\">dashboard illuminates a warning\u00a0 light<\/a>, i.e. \u201ccheck engine light\u201d. By learning how to do a simple diagnostic test by yourself, you can do it as frequently as you want to prevent minor problems compounding into bigger chaos. This enables car owners to save the cost of repairs by fixing small issues instead of waiting for the vehicle to break down.\u00a0However, either you <a href=\"https:\/\/uae.dubizzle.com\/motors\/used-cars\/\" target=\"_blank\" rel=\"noreferrer noopener\">buy a used car in the UAE<\/a> or new one, make sure that a diagnostic test is performed on a regular basis to ensure its performance. <\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>WHAT PARTS OF CAR ARE TESTED IN CAR DIAGNOSTIC TESTS?<\/strong><\/h2>\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\/11\/18123212\/Car-Diagnostic-Test-D-181121-1024x640.jpg\" alt=\"check brake responsiveness with car diagnostic test\" class=\"wp-image-33090\" srcset=\"https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123212\/Car-Diagnostic-Test-D-181121-1024x640.jpg 1024w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123212\/Car-Diagnostic-Test-D-181121-300x188.jpg 300w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123212\/Car-Diagnostic-Test-D-181121-768x480.jpg 768w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123212\/Car-Diagnostic-Test-D-181121-640x400.jpg 640w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123212\/Car-Diagnostic-Test-D-181121-421x263.jpg 421w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123212\/Car-Diagnostic-Test-D-181121-558x349.jpg 558w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123212\/Car-Diagnostic-Test-D-181121-363x227.jpg 363w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123212\/Car-Diagnostic-Test-D-181121-250x156.jpg 250w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123212\/Car-Diagnostic-Test-D-181121-368x230.jpg 368w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123212\/Car-Diagnostic-Test-D-181121-774x484.jpg 774w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123212\/Car-Diagnostic-Test-D-181121-672x420.jpg 672w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123212\/Car-Diagnostic-Test-D-181121-437x273.jpg 437w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123212\/Car-Diagnostic-Test-D-181121-301x188.jpg 301w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123212\/Car-Diagnostic-Test-D-181121-240x150.jpg 240w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123212\/Car-Diagnostic-Test-D-181121-771x482.jpg 771w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123212\/Car-Diagnostic-Test-D-181121-669x418.jpg 669w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123212\/Car-Diagnostic-Test-D-181121-435x272.jpg 435w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>A car diagnostic test can help identify problems with the brakes<\/figcaption><\/figure>\n\n\n\n<p>Although they analyse various aspects of the vehicle, they specifically check issues with:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Car\u2019s engine and individual components<\/li><li>Car\u2019s transmission and responsiveness<\/li><li>Brake responsiveness<\/li><li>Contamination or faults with <a href=\"https:\/\/www.dubizzle.com\/blog\/cars\/car-exhaust-system\/\" target=\"_blank\" rel=\"noreferrer noopener\">car\u2019s exhaust system<\/a><\/li><li>Wear and tear or breakage with major components including, but not limited to, fuel injector, ignition coils, throttle.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-long-does-a-car-diagnostic-test-take\"><strong>HOW LONG DOES A CAR DIAGNOSTIC TEST TAKE?<\/strong><\/h2>\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\/11\/18123636\/Car-Diagnostic-Test-C-181121-1024x640.jpg\" alt=\"professional car diagnostic tool \" class=\"wp-image-33096\" srcset=\"https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123636\/Car-Diagnostic-Test-C-181121-1024x640.jpg 1024w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123636\/Car-Diagnostic-Test-C-181121-300x188.jpg 300w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123636\/Car-Diagnostic-Test-C-181121-768x480.jpg 768w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123636\/Car-Diagnostic-Test-C-181121-640x400.jpg 640w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123636\/Car-Diagnostic-Test-C-181121-421x263.jpg 421w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123636\/Car-Diagnostic-Test-C-181121-558x349.jpg 558w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123636\/Car-Diagnostic-Test-C-181121-363x227.jpg 363w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123636\/Car-Diagnostic-Test-C-181121-250x156.jpg 250w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123636\/Car-Diagnostic-Test-C-181121-368x230.jpg 368w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123636\/Car-Diagnostic-Test-C-181121-774x484.jpg 774w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123636\/Car-Diagnostic-Test-C-181121-672x420.jpg 672w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123636\/Car-Diagnostic-Test-C-181121-437x273.jpg 437w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123636\/Car-Diagnostic-Test-C-181121-301x188.jpg 301w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123636\/Car-Diagnostic-Test-C-181121-240x150.jpg 240w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123636\/Car-Diagnostic-Test-C-181121-771x482.jpg 771w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123636\/Car-Diagnostic-Test-C-181121-669x418.jpg 669w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2021\/11\/18123636\/Car-Diagnostic-Test-C-181121-435x272.jpg 435w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption>Technicians have professional car diagnostic tools to perform the test <\/figcaption><\/figure>\n\n\n\n<p>Full car diagnostic tests are done with a basic scanner (OBD-II) using a diagnostic software that takes only a few minutes. However, doing an automotive diagnostic test is only the initial part of the maintenance process. To reap value from these tests, the key step is carrying out repair based on the information received and taking preventative measures.<\/p>\n\n\n\n<p>We have detailed the procedure of car diagnostic test in a few pointers:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>The scanner examines the \u201ccheck engine\u201d light code. The car\u2019s computer, alongside the warning light, generates another code (trouble code) that indicates the source of the underlying problem.\u00a0<\/li><li>The technician plugs the diagnostic scanner in the car, in order to read the trouble codes. After which they translate the <a href=\"https:\/\/www.dubizzle.com\/blog\/cars\/car-diagnostic-codes\/\" target=\"_blank\" rel=\"noreferrer noopener\">codes on the diagnostic test tool<\/a> to take necessary measures.<\/li><li>The technician researches your vehicle to identify where exactly the problem is and what it is. If the check engine light code indicates that the exhaust system is not working, the technician will then first check that.\u00a0<\/li><li>Once the issue is identified, the technician performs the repairs that may either include damaged parts replacement or clean the clogged parts caused by dirt and debris.<\/li><li>Another final car engine diagnostic test may be performed after the repairs to ensure everything is fixed.<\/li><\/ol>\n\n\n\n<p>If you\u2019ve read it through, you would\u00a0 understand the value and significance of performing car diagnostic tests. These tests are significant and should be performed regularly for timely maintenance of the vehicle. If you <a href=\"https:\/\/uae.dubizzle.com\/motors\/auto-accessories-parts\/automotive-tools\/\" target=\"_blank\" rel=\"noreferrer noopener\">buy automotive tools<\/a> for the test, you can easily do it at home to ensure your vehicle is performing well. An automotive diagnostic test will save your car from getting damaged in the long-run due to malfunctioning of other auto parts.\u00a0<\/p>\n\n\n\n<p>Stay tuned to the <a href=\"https:\/\/www.dubizzle.com\/blog\/cars\/\" target=\"_blank\" rel=\"noreferrer noopener\">UAE\u2019s top auto blog<\/a> for more automotive maintenance and repair guides.\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Do you know how a car diagnostic test can help save expensive repairs? Read here to find out how. <\/p>\n","protected":false},"author":3,"featured_media":33083,"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-33069","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>Car Diagnostic Test: Benefits, Frequency &amp; More | dubizzle<\/title>\n<meta name=\"description\" content=\"Do you know what is a car diagnostic test and how to do it? 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