{"id":109667,"date":"2024-06-27T19:17:20","date_gmt":"2024-06-28T02:17:20","guid":{"rendered":"https:\/\/blogv2prod.wpenginepowered.com\/blog\/?p=109667"},"modified":"2025-04-28T17:54:40","modified_gmt":"2025-04-29T00:54:40","slug":"why-is-my-car-starting-slow-slow-start-causes-and-prevention","status":"publish","type":"post","link":"https:\/\/www.carparts.com\/blog\/why-is-my-car-starting-slow-slow-start-causes-and-prevention\/","title":{"rendered":"Why is My Car Starting Slow? Slow Start Causes and Prevention"},"content":{"rendered":"<!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.0 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/REC-html40\/loose.dtd\">\n<html><body><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span><style>.kadence-column109667_d70e1e-83 > .kt-inside-inner-col,.kadence-column109667_d70e1e-83 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column109667_d70e1e-83 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column109667_d70e1e-83 > .kt-inside-inner-col{flex-direction:column;}.kadence-column109667_d70e1e-83 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column109667_d70e1e-83 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column109667_d70e1e-83{position:relative;}@media all and (max-width: 1024px){.kadence-column109667_d70e1e-83 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column109667_d70e1e-83 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column109667_d70e1e-83 inner-column-1 qk-look-widget\"><div class=\"kt-inside-inner-col\">\n<div class=\"wp-block-ultimate-post-row ultp-block-0ddb9d  qk-main-wrap\"><div class=\"ultp-row-wrapper\"><div class=\"ultp-row-content\">\n<div class=\"wp-block-ultimate-post-column ultp-block-6725f5\"><div class=\"ultp-column-wrapper\"><style>.wp-block-kadence-advancedheading.kt-adv-heading109667_d55e56-95, .wp-block-kadence-advancedheading.kt-adv-heading109667_d55e56-95[data-kb-block=\"kb-adv-heading109667_d55e56-95\"]{text-align:center;font-size:20px;font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-heading109667_d55e56-95 mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading109667_d55e56-95[data-kb-block=\"kb-adv-heading109667_d55e56-95\"] mark.kt-highlight{font-family:Inter;font-weight:500;font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading109667_d55e56-95 img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading109667_d55e56-95[data-kb-block=\"kb-adv-heading109667_d55e56-95\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<div class=\"kt-adv-heading109667_d55e56-95 summary-title wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading109667_d55e56-95\"><span>Summary<\/span><\/div>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Struggling to start your car is not only a hassle but also a possible sign of larger car problems.<\/li>\n\n\n\n<li>Common reasons behind a slow-starting car include extreme temperatures, a malfunctioning starter motor, poor fuel quality, car battery problems, bad sensors, and wiring issues.<\/li>\n\n\n\n<li>The best ways to prevent slow car starts include changing the fuel filter, cleaning the fuel injectors, charging the car battery, and replacing faulty parts.<\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div><\/div>\n<\/div><\/div>\n\n\n\n\n\n<p>&ldquo;Why is my car taking so long to start?&rdquo; We&rsquo;ve all asked ourselves this question at least once. It&rsquo;s frustrating when your vehicle struggles to start properly. It can keep you from getting to work on time or staying on top of your schedule. What&rsquo;s more, a vehicle that&rsquo;s slow to start is usually a sign of larger problems, such as issues with the wiring or worn and damaged components.<br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why is My Car Slow to Start? Common Causes<\/h2>\n\n\n\n<p>If your car is slow to start, it might be due to extreme temperatures, a faulty starter motor, a weak car battery, or wiring issues.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Hot or Cold Temperatures<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/06\/battery-issues-cause-car-starting-slow-1024x683.jpg\" alt=\"battery issues cause car starting slow\" class=\"wp-image-109670\" style=\"width:1024px;height:683px\" srcset=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/06\/battery-issues-cause-car-starting-slow-1024x683.jpg 1024w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/06\/battery-issues-cause-car-starting-slow-300x200.jpg 300w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/06\/battery-issues-cause-car-starting-slow-768x512.jpg 768w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/06\/battery-issues-cause-car-starting-slow-1536x1025.jpg 1536w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/06\/battery-issues-cause-car-starting-slow-600x400.jpg 600w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/06\/battery-issues-cause-car-starting-slow-1200x800.jpg 1200w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/06\/battery-issues-cause-car-starting-slow-150x100.jpg 150w, https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/06\/battery-issues-cause-car-starting-slow.jpg 2000w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><figcaption class=\"wp-element-caption\">When the temperature is too high, the fluid inside the battery might evaporate and reduce its electrical output.<\/figcaption><\/figure>\n\n\n\n<p>When the temperature is too high, the fluid inside the battery might evaporate and reduce its electrical output. This means the starter motor will have a more difficult time powering up, preventing the vehicle from starting quickly.<\/p>\n\n\n\n<p>Meanwhile, if it&rsquo;s too cold, the battery won&rsquo;t hold as much charge as usual. Condensation can corrode the battery as well. On top of that, the cold temperatures can make the engine oil thicker. The viscosity would increase friction, making it harder for the starter motor to spin.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Malfunctioning Starter Motor<\/h3>\n\n\n\n<p>One of the biggest indicators that a <a href=\"https:\/\/www.carparts.com\/blog\/bad-starter-symptoms\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"bad starter motor\">bad starter motor<\/a> is responsible for a slow-starting car is if the starter makes strange clicking noises when the key is turned.<\/p>\n\n\n\n<p>The sounds could mean that the motor isn&rsquo;t working as quickly as usual and that power isn&rsquo;t properly allocated to it. If this happens, it&rsquo;s time to repair the starter motor or <a href=\"https:\/\/www.carparts.com\/starter\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"have it replaced\">have it replaced<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Poor Fuel Quality<\/h3>\n\n\n\n<p>Using low-quality fuel can damage your vehicle&rsquo;s <a href=\"https:\/\/www.carparts.com\/spark-plug\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"spark plugs\">spark plugs<\/a> and <a href=\"https:\/\/www.carparts.com\/fuel-injector\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"injectors\">injectors<\/a>, making it more difficult for your vehicle to start. Poor quality can clog the <a href=\"https:\/\/www.carparts.com\/fuel-line\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"fuel line\">fuel line<\/a>, making it slower to start.<\/p>\n\n\n\n<p>In more severe cases, a <a href=\"https:\/\/www.carparts.com\/blog\/symptoms-of-a-bad-or-failing-fuel-injection-line\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"clogged fuel line\">clogged fuel line<\/a> can prevent a vehicle from starting entirely due to the obstruction of fuel.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Car Battery Issues<\/h3>\n\n\n\n<p>The more a vehicle is used, the quicker its battery wears out. Because the <a href=\"https:\/\/www.carparts.com\/battery\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"car battery\">car battery<\/a> and alternator are what provides the spark plugs with power, your engine won&rsquo;t be able to start if either grows weak or runs out of charge.<\/p>\n\n\n\n<p>A battery that ran out of charge is easy to fix. You simply need to <a href=\"https:\/\/www.carparts.com\/blog\/how-to-recharge-a-car-battery\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"recharge it\">recharge it<\/a>. However, if the battery itself is damaged, then it might be time to <a href=\"https:\/\/www.carparts.com\/blog\/how-to-replace-a-car-battery\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"replace it\">replace it<\/a>. Look for signs of <a href=\"https:\/\/www.carparts.com\/blog\/how-to-spot-and-prevent-a-corroded-car-battery\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"corrosion\">corrosion<\/a> and damage from overuse.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Wiring Issues<\/h3>\n\n\n\n<p>If the wires attached to the starter motors come undone or get damaged in any way, your car might struggle to start. It&rsquo;s a good idea to <a href=\"https:\/\/www.carparts.com\/blog\/tips-and-tricks-to-reading-automotive-wiring-diagrams\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"inspect the wiring\">inspect the wiring<\/a> to make sure there are no signs of damage or corrosion.<\/p>\n\n\n\n<p>If the wires are loose, adjust them until they&rsquo;re secure once more. If the car still struggles to start or starts slowly after ensuring the wiring is in acceptable condition, you might have to consult an expert.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Bad Sensors<\/h3>\n\n\n\n<p>The <a href=\"https:\/\/www.carparts.com\/engine-control-module\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"powertrain control module\">powertrain control module<\/a> (PCM) uses readings from various sensors to tweak the engine&rsquo;s ignition for maximum efficiency. If the <a href=\"https:\/\/www.carparts.com\/crankshaft-position-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"crankshaft position sensor\">crankshaft position sensor<\/a>, <a href=\"https:\/\/www.carparts.com\/camshaft-position-sensor\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"camshaft position sensor\">camshaft position sensor<\/a>, or other sensors develop issues that make them send inaccurate signals, the engine might have trouble starting.<\/p>\n\n\n\n\n\n\n<h2 class=\"wp-block-heading\">How to Prevent Slow Car Starts<\/h2>\n\n\n\n<p>Dealing with slow-starting cars is stressful. Fortunately, there are ways to keep your car starting efficiently, like changing the fuel filter, cleaning the fuel injectors, ensuring the battery is charged, and replacing faulty parts.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Change the Fuel Filter<\/h3>\n\n\n\n<p>It&rsquo;s a good practice to <a href=\"https:\/\/www.carparts.com\/blog\/how-to-replace-a-fuel-filter\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"replace your vehicle&rsquo;s fuel filter\">replace your vehicle&rsquo;s fuel filter<\/a> at least once every two years.<\/p>\n\n\n\n<p>The <a href=\"https:\/\/www.carparts.com\/fuel-filter\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"fuel filter\">fuel filter<\/a> prevents impurities and other contaminants from reaching the engine. Unfortunately, it could get clogged over time, especially if you use low-quality oil.<\/p>\n\n\n\n<p>By replacing the fuel filter before it gets clogged, you can prevent slow car starts brought about by increased fuel pressure.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Clean Your Fuel Injectors<\/h3>\n\n\n\n<p><a href=\"https:\/\/www.carparts.com\/blog\/how-to-clean-fuel-injectors\/\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"Cleaning and unclogging\">Cleaning and unclogging<\/a> your vehicle&rsquo;s fuel injectors at least once every three years is one of the best ways to prevent car starting issues.<\/p>\n\n\n\n<p>A fuel injector that&rsquo;s full of debris can affect the engine in many ways, such as by changing the trajectory of the fuel. This prevents it from getting injected into the engine, preventing the engine from starting.<\/p>\n\n\n\n<p>Clogged fuel injectors also increase the pressure of the fuel and alter the air\/fuel mixture, preventing it from igniting properly. Cleaning the fuel injectors not only keeps the air\/fuel mixture balanced but also ensures the fuel is in optimum condition for combustion. It&rsquo;s also strongly recommended to use fuel additives to flush the fuel system and fuel injectors to keep your engine in good condition.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Keep Your Car Battery Charged<\/h3>\n\n\n\n<p>As mentioned previously, a dead or dying car battery will make it take longer for your car to start &mdash; assuming it can start at all.<\/p>\n\n\n\n<p>It&rsquo;s a good idea to ensure your battery won&rsquo;t run out of charge. This means investing in a car <a href=\"https:\/\/www.carparts.com\/battery-charger\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"battery charger\">battery charger<\/a> and some <a href=\"https:\/\/www.carparts.com\/jumper-cables\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"jumper cables\">jumper cables<\/a> or bringing your vehicle to a service center or auto shop regularly.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Replace Faulty Parts<\/h3>\n\n\n\n<p>If any of the parts related to starting your vehicle, such as the battery, the starter motor, or wires, are malfunctioning or damaged, don&rsquo;t put off replacing them.<\/p>\n\n\n\n<p>It&rsquo;s a good practice to perform maintenance on your vehicle at least once a year to ensure everything is working as intended. If you&rsquo;ve noticed that your vehicle starts slowly or struggles to start at all, it might be worth bringing it to a professional for diagnosis.<\/p>\n<\/body><\/html>\n","protected":false},"excerpt":{"rendered":"<p><span class=\"span-reading-time rt-reading-time\" style=\"display: block;\"><span class=\"rt-label rt-prefix\">Reading Time: <\/span> <span class=\"rt-time\"> 4<\/span> <span class=\"rt-label rt-postfix\">minutes<\/span><\/span>&ldquo;Why is my car taking so long to start?&rdquo; We&rsquo;ve all asked ourselves this question at least once. It&rsquo;s frustrating&#8230; <a href=\"https:\/\/www.carparts.com\/blog\/why-is-my-car-starting-slow-slow-start-causes-and-prevention\/\" rel=\"nofollow\">Read More<\/a><\/p>\n","protected":false},"author":4,"featured_media":109668,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":true,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[52,3744],"tags":[73,3981,1199,1185,1209,4212,2016,1171,1030],"ppma_author":[2607,3742],"class_list":{"0":"post-109667","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-diy","8":"category-ignition-system","9":"tag-battery","10":"tag-battery-charger-2","11":"tag-fuel-filter-2","12":"tag-fuel-injector-2","13":"tag-fuel-line","14":"tag-hard-start","15":"tag-jumper-cables-2","16":"tag-spark-plug-2","17":"tag-starter","18":"entry"},"acf":{"adrotate_specific_mobile_ad":"","adrotate_specific_desktop_ad":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Why is My Car Starting Slow? Slow Start Causes and Prevention - In The Garage with CarParts.com<\/title>\n<meta name=\"description\" content=\"It\u2019s frustrating when your car struggles to start properly. Here are the possible reasons why your car starts slow and how to prevent them.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.carparts.com\/blog\/why-is-my-car-starting-slow-slow-start-causes-and-prevention\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Why is My Car Starting Slow? Slow Start Causes and Prevention - In The Garage with CarParts.com\" \/>\n<meta property=\"og:description\" content=\"It\u2019s frustrating when your car struggles to start properly. Here are the possible reasons why your car starts slow and how to prevent them.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carparts.com\/blog\/why-is-my-car-starting-slow-slow-start-causes-and-prevention\/\" \/>\n<meta property=\"og:site_name\" content=\"In The Garage with CarParts.com\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/carpartscom\" \/>\n<meta property=\"article:published_time\" content=\"2024-06-28T02:17:20+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-04-29T00:54:40+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carparts.com\/blog\/wp-content\/uploads\/2024\/06\/car-starting-slow-driver-frustrated.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2000\" \/>\n\t<meta property=\"og:image:height\" content=\"1326\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:site\" content=\"@carpartscom\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-is-my-car-starting-slow-slow-start-causes-and-prevention\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carparts.com\\\/blog\\\/why-is-my-car-starting-slow-slow-start-causes-and-prevention\\\/\"},\"author\":[{\"@type\":\"Person\",\"$id\":\"4\",\"name\":\"CarParts.com Research Team\",\"jobTitle\":\"Expert Automotive Writer\",\"description\":\"The CarParts.com Research Team is composed of experienced automotive and tech writers working with (ASE)-certified automobile technicians and automotive journalists to bring up-to-date, helpful information to car owners in the US. 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