{"id":158091,"date":"2025-12-18T10:38:48","date_gmt":"2025-12-18T10:38:48","guid":{"rendered":"https:\/\/www.dubizzle.com\/blog\/cars\/?p=158091"},"modified":"2025-12-18T11:36:01","modified_gmt":"2025-12-18T11:36:01","slug":"water-car-fuel-tank","status":"publish","type":"post","link":"https:\/\/www.dubizzle.com\/blog\/cars\/water-car-fuel-tank\/","title":{"rendered":"Signs of Water in a Petrol Tank and Step-by-Step Fixes"},"content":{"rendered":"\n<ul class=\"wp-block-list\">\n<li><a href=\"#h-causes-of-water-in-the-petrol-tank\">Causes<\/a>&nbsp;<\/li>\n\n\n\n<li><a href=\"#h-key-signs-of-water-in-a-car-fuel-tank\">Key Signs<\/a><\/li>\n\n\n\n<li><a href=\"#h-step-by-step-fixes-for-water-in-a-petrol-tank\">Step-by-Step Fixes<\/a><\/li>\n\n\n\n<li><a href=\"#h-faqs\">FAQs<\/a><\/li>\n<\/ul>\n\n\n\n<p>Water contamination in a petrol tank is a serious yet often overlooked issue. The presence of water in a petrol tank may remain undetected until a vehicle begins to exhibit performance issues. Even minimal water contamination can disrupt combustion, reduce fuel efficiency and cause long-term damage to essential engine components if not addressed promptly. Recognising early signs of fuel contamination helps prevent costly repairs, maintain engine performance and avoid breakdowns.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-causes-of-water-in-the-petrol-tank\">Causes of Water in the Petrol Tank<\/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\/2024\/08\/26090727\/body-iMage2-Auto-Anatomy-Car-Fuel-Tank-1-1024x640.jpg\" alt=\"A car\u2019s fuel system can easily be affected by water contamination, causing engine problems.\" class=\"wp-image-126303\" srcset=\"https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2024\/08\/26090727\/body-iMage2-Auto-Anatomy-Car-Fuel-Tank-1-1024x640.jpg 1024w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2024\/08\/26090727\/body-iMage2-Auto-Anatomy-Car-Fuel-Tank-1-300x188.jpg 300w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2024\/08\/26090727\/body-iMage2-Auto-Anatomy-Car-Fuel-Tank-1-768x480.jpg 768w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2024\/08\/26090727\/body-iMage2-Auto-Anatomy-Car-Fuel-Tank-1-640x400.jpg 640w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2024\/08\/26090727\/body-iMage2-Auto-Anatomy-Car-Fuel-Tank-1-421x263.jpg 421w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2024\/08\/26090727\/body-iMage2-Auto-Anatomy-Car-Fuel-Tank-1-558x349.jpg 558w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2024\/08\/26090727\/body-iMage2-Auto-Anatomy-Car-Fuel-Tank-1-363x227.jpg 363w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2024\/08\/26090727\/body-iMage2-Auto-Anatomy-Car-Fuel-Tank-1-250x156.jpg 250w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2024\/08\/26090727\/body-iMage2-Auto-Anatomy-Car-Fuel-Tank-1-368x230.jpg 368w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2024\/08\/26090727\/body-iMage2-Auto-Anatomy-Car-Fuel-Tank-1-774x484.jpg 774w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2024\/08\/26090727\/body-iMage2-Auto-Anatomy-Car-Fuel-Tank-1-672x420.jpg 672w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2024\/08\/26090727\/body-iMage2-Auto-Anatomy-Car-Fuel-Tank-1-437x273.jpg 437w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2024\/08\/26090727\/body-iMage2-Auto-Anatomy-Car-Fuel-Tank-1-301x188.jpg 301w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2024\/08\/26090727\/body-iMage2-Auto-Anatomy-Car-Fuel-Tank-1-240x150.jpg 240w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2024\/08\/26090727\/body-iMage2-Auto-Anatomy-Car-Fuel-Tank-1-771x482.jpg 771w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2024\/08\/26090727\/body-iMage2-Auto-Anatomy-Car-Fuel-Tank-1-669x418.jpg 669w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2024\/08\/26090727\/body-iMage2-Auto-Anatomy-Car-Fuel-Tank-1-435x272.jpg 435w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Water can enter a car\u2019s fuel system more easily than expected, potentially harming engine performance.<\/figcaption><\/figure>\n\n\n\n<p>A car\u2019s fuel system is vulnerable to water contamination, which can occur more easily than many realise.&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Condensation<\/strong>: When temperatures drop overnight, moisture forms inside partially filled tanks. Over time, these droplets settle at the bottom since water is heavier than petrol.<\/li>\n\n\n\n<li><strong>Faulty or loose fuel caps<\/strong>: Allow rainwater or moisture to seep in, especially during heavy rains or car washes.<\/li>\n\n\n\n<li><strong>External contamination<\/strong>: Occurs due to poorly maintained fuel storage or contaminated fuel supplies.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-key-signs-of-water-in-a-petrol-tank\">Key Signs of Water in a Petrol Tank<\/h2>\n\n\n\n<p>Spotting the signs of water in the <a href=\"https:\/\/www.dubizzle.com\/blog\/cars\/car-fuel-tank\/\" target=\"_blank\" rel=\"noreferrer noopener\">petrol tank<\/a> early can save you from costly repairs. Here\u2019s what to look out for:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-poor-engine-performance\">Poor Engine Performance<\/h3>\n\n\n\n<p>One of the earliest indicators is rough <a href=\"https:\/\/www.dubizzle.com\/blog\/cars\/car-engine-idling\/\" target=\"_blank\" rel=\"noreferrer noopener\">idling or inconsistent engine<\/a> behaviour. The engine may feel unstable, especially at low speeds, because water disrupts the proper combustion process.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-engine-sputtering-and-hesitation\">Engine Sputtering and Hesitation<\/h3>\n\n\n\n<p>If your car jerks or hesitates when you press the accelerator, water in the petrol tank could be interrupting fuel delivery and <a href=\"https:\/\/www.dubizzle.com\/blog\/cars\/car-ignition-system\/\" target=\"_blank\" rel=\"noreferrer noopener\">ignition<\/a> timing.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-difficulty-starting-the-engine\">Difficulty Starting the Engine<\/h3>\n\n\n\n<p>Hard starts or delayed ignition often indicate diluted fuel. In severe cases, the engine may refuse to start altogether.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-unexpected-engine-stalling\">Unexpected Engine Stalling<\/h3>\n\n\n\n<p>As water accumulates at the bottom of the tank, it can suddenly enter the fuel system, causing the <a href=\"https:\/\/www.dubizzle.com\/blog\/cars\/cars-engine-stalling-causes\/\" target=\"_blank\" rel=\"noreferrer noopener\">engine to stall<\/a> while driving or idling.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-reduced-fuel-efficiency\">Reduced Fuel Efficiency<\/h3>\n\n\n\n<p>Since water does not burn, your engine compensates by consuming more fuel. If mileage drops unexpectedly, contamination could be the cause.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-unusual-smell-or-sounds\">Unusual Smell or Sounds<\/h3>\n\n\n\n<p>Knocking, pinging noises or an unusual petrol smell can signal improper combustion due to water presence.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-steam-or-white-smoke-from-exhaust\">Steam or White Smoke from Exhaust<\/h3>\n\n\n\n<p>Excess moisture in the combustion chamber may produce visible steam or white smoke, especially during startup.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-step-by-step-fixes-for-water-in-a-petrol-tank\">Step-by-Step Fixes for Water in a Petrol Tank<\/h2>\n\n\n\n<p>The approach to fixing water contamination in your petrol tank depends on how much water is present. Small amounts can often be treated with additives, while larger quantities may require draining or professional cleaning.&nbsp;<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-1-use-fuel-additives-for-minor-contamination\">Step 1: Use Fuel Additives for Minor Contamination<\/h3>\n\n\n\n<p>For small amounts of water caused by condensation, water-removing fuel additives can help. These bind with moisture and allow it to pass safely through the combustion process.<\/p>\n\n\n\n<p>Add the recommended quantity to a full tank and drive normally to circulate the treated fuel.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-2-drain-and-refill-the-fuel-tank\">Step 2: Drain and Refill the Fuel Tank<\/h3>\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\/2025\/05\/30100047\/The-Risks-of-Topping-Off-Your-Petrol-Tank-1-1024x640.jpg\" alt=\"For persistent issues, fully drain and dry the tank before adding clean petrol.\" class=\"wp-image-144402\" srcset=\"https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2025\/05\/30100047\/The-Risks-of-Topping-Off-Your-Petrol-Tank-1-1024x640.jpg 1024w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2025\/05\/30100047\/The-Risks-of-Topping-Off-Your-Petrol-Tank-1-300x188.jpg 300w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2025\/05\/30100047\/The-Risks-of-Topping-Off-Your-Petrol-Tank-1-768x480.jpg 768w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2025\/05\/30100047\/The-Risks-of-Topping-Off-Your-Petrol-Tank-1-640x400.jpg 640w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2025\/05\/30100047\/The-Risks-of-Topping-Off-Your-Petrol-Tank-1-421x263.jpg 421w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2025\/05\/30100047\/The-Risks-of-Topping-Off-Your-Petrol-Tank-1-558x349.jpg 558w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2025\/05\/30100047\/The-Risks-of-Topping-Off-Your-Petrol-Tank-1-363x227.jpg 363w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2025\/05\/30100047\/The-Risks-of-Topping-Off-Your-Petrol-Tank-1-250x156.jpg 250w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2025\/05\/30100047\/The-Risks-of-Topping-Off-Your-Petrol-Tank-1-368x230.jpg 368w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2025\/05\/30100047\/The-Risks-of-Topping-Off-Your-Petrol-Tank-1-774x484.jpg 774w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2025\/05\/30100047\/The-Risks-of-Topping-Off-Your-Petrol-Tank-1-672x420.jpg 672w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2025\/05\/30100047\/The-Risks-of-Topping-Off-Your-Petrol-Tank-1-437x273.jpg 437w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2025\/05\/30100047\/The-Risks-of-Topping-Off-Your-Petrol-Tank-1-301x188.jpg 301w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2025\/05\/30100047\/The-Risks-of-Topping-Off-Your-Petrol-Tank-1-240x150.jpg 240w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2025\/05\/30100047\/The-Risks-of-Topping-Off-Your-Petrol-Tank-1-771x482.jpg 771w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2025\/05\/30100047\/The-Risks-of-Topping-Off-Your-Petrol-Tank-1-669x418.jpg 669w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2025\/05\/30100047\/The-Risks-of-Topping-Off-Your-Petrol-Tank-1-435x272.jpg 435w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Draining the tank and letting it dry before refilling with fresh petrol is the most effective solution for removing water contamination.<\/figcaption><\/figure>\n\n\n\n<p>If symptoms persist, draining the tank is the most effective solution. This removes both contaminated petrol and settled water. After draining, allow the tank to dry fully before refilling with clean petrol.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-3-siphon-the-contaminated-fuel\">Step 3: Siphon the Contaminated Fuel<\/h3>\n\n\n\n<p>When drain plugs aren\u2019t accessible, siphoning the lowest portion of the tank can remove most of the water. Dispose of contaminated fuel responsibly.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-4-clean-the-fuel-system\">Step 4: Clean the Fuel System<\/h3>\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\/2022\/08\/29124951\/auto-anatomy-Fuel-Injectors-body-02-20220610-1024x640.jpg\" alt=\"Water can spread in the fuel system, but a flush removes moisture and protects components.\" class=\"wp-image-68389\" srcset=\"https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2022\/08\/29124951\/auto-anatomy-Fuel-Injectors-body-02-20220610-1024x640.jpg 1024w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2022\/08\/29124951\/auto-anatomy-Fuel-Injectors-body-02-20220610-300x188.jpg 300w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2022\/08\/29124951\/auto-anatomy-Fuel-Injectors-body-02-20220610-768x480.jpg 768w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2022\/08\/29124951\/auto-anatomy-Fuel-Injectors-body-02-20220610-640x400.jpg 640w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2022\/08\/29124951\/auto-anatomy-Fuel-Injectors-body-02-20220610-421x263.jpg 421w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2022\/08\/29124951\/auto-anatomy-Fuel-Injectors-body-02-20220610-558x349.jpg 558w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2022\/08\/29124951\/auto-anatomy-Fuel-Injectors-body-02-20220610-363x227.jpg 363w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2022\/08\/29124951\/auto-anatomy-Fuel-Injectors-body-02-20220610-250x156.jpg 250w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2022\/08\/29124951\/auto-anatomy-Fuel-Injectors-body-02-20220610-368x230.jpg 368w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2022\/08\/29124951\/auto-anatomy-Fuel-Injectors-body-02-20220610-774x484.jpg 774w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2022\/08\/29124951\/auto-anatomy-Fuel-Injectors-body-02-20220610-672x420.jpg 672w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2022\/08\/29124951\/auto-anatomy-Fuel-Injectors-body-02-20220610-437x273.jpg 437w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2022\/08\/29124951\/auto-anatomy-Fuel-Injectors-body-02-20220610-301x188.jpg 301w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2022\/08\/29124951\/auto-anatomy-Fuel-Injectors-body-02-20220610-240x150.jpg 240w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2022\/08\/29124951\/auto-anatomy-Fuel-Injectors-body-02-20220610-771x482.jpg 771w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2022\/08\/29124951\/auto-anatomy-Fuel-Injectors-body-02-20220610-669x418.jpg 669w, https:\/\/d2hucwwplm5rxi.cloudfront.net\/wp-content\/uploads\/2022\/08\/29124951\/auto-anatomy-Fuel-Injectors-body-02-20220610-435x272.jpg 435w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Water can spread through the fuel system, but a full flush removes moisture and protects injectors, lines and filters.<\/figcaption><\/figure>\n\n\n\n<p>Water can travel beyond the tank and affect fuel lines, injectors and filters. A fuel system flush ensures all moisture and residue are removed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-step-5-seek-professional-help-for-severe-cases\">Step 5: Seek Professional Help for Severe Cases<\/h3>\n\n\n\n<p>If the vehicle continues to stall or misfire, professional servicing is essential. Mechanics can perform complete tank cleaning, replace damaged components and restore fuel quality safely.<\/p>\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-can-water-in-the-fuel-tank-damage-the-engine\">Can water in the fuel tank damage the engine?<\/h3>\n\n\n\n<p>Yes, water in the fuel tank can damage the engine by disrupting combustion, causing corrosion and clogging <a href=\"https:\/\/www.dubizzle.com\/blog\/cars\/fuel-injectors\/\" target=\"_blank\" rel=\"noreferrer noopener\">fuel injectors<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-how-does-water-get-into-a-car-s-petrol-tank\">How does water get into a car\u2019s petrol tank?<\/h3>\n\n\n\n<p>Water can enter a petrol tank through condensation, faulty fuel caps, leaks or contaminated fuel.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-what-should-i-do-first-if-i-suspect-water-in-my-fuel\">What should I do first if I suspect water in my fuel?<\/h3>\n\n\n\n<p>If you suspect water in your fuel, the first step is to stop driving and either use a water-removing additive for minor contamination or drain and clean the tank for severe cases.<\/p>\n\n\n\n<p>Water in a petrol tank may start as a minor issue, but it can quickly escalate into serious engine damage if ignored. From rough idling and sputtering to sudden stalling and poor mileage, the signs are often clear once you know what to look for. Acting early, using the right fixes and following preventive measures will keep your fuel system clean and your engine running smoothly.<\/p>\n\n\n\n<p>If you find yourself facing costly repairs and are considering a reliable upgrade or backup vehicle, explore these <a href=\"https:\/\/uae.dubizzle.com\/motors\/used-cars\/\" target=\"_blank\" rel=\"noreferrer noopener\">used cars for sale in the UAE<\/a> to find options that are road-ready.&nbsp;<\/p>\n\n\n\n<p>Keep reading <a href=\"https:\/\/www.dubizzle.com\/blog\/cars\/\" target=\"_blank\" rel=\"noreferrer noopener\">dubizzle\u2019s auto blog<\/a> to learn more about vehicle maintenance and protecting your engine from common fuel-related issues.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Spot water in your fuel early and prevent engine damage with simple fixes.<\/p>\n","protected":false},"author":55,"featured_media":158094,"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":[2690],"dubizzle-taxonomy-car-color":[],"dubizzle-taxonomy-car-fuel-type":[],"class_list":{"0":"post-158091","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-parts-repairs","8":"dubizzle-taxonomy-car-extras-clarity"},"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>Water in Petrol Tank: Signs, Fixes &amp; More | dubizzle<\/title>\n<meta name=\"description\" content=\"Discover the signs of water in a petrol tank, how it affects your engine 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