{"product_id":"12v-fuel-injector-tester-diy-cleaning-tool-dual-injector","title":"12V Fuel Injector Tester \u0026 DIY Cleaning Tool – Test 2 at Once","description":"\n\u003ch2\u003eDiagnose \u0026amp; Clean Fuel Injectors Like a Pro — Right in Your Driveway\u003c\/h2\u003e\n\u003cp\u003eStop guessing and start diagnosing. The \u003cstrong\u003e12V Upgraded Fuel Injector Tester \u0026amp; DIY Cleaning Tool\u003c\/strong\u003e lets you quickly identify stuck, leaking, or worn-out fuel injectors without an expensive trip to the mechanic. One of its standout features: you can \u003cstrong\u003etest two injectors simultaneously\u003c\/strong\u003e, saving you time on multi-cylinder engines. With four selectable pulse signal modes and a continuous working mode, this tool gives you full control over your injector diagnostics — all powered directly by your 12V car battery.\u003c\/p\u003e\n\n\u003cp\u003eIncludes \u003cstrong\u003e2 DIY cleaning heads\u003c\/strong\u003e so you can flush and clean injectors right at home (cleaning fluid sold separately).\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTest Two Injectors at Once\u003c\/strong\u003e — Dual pulse output terminals let you check two injectors simultaneously for faster diagnostics.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4 Pulse Signal Output Modes\u003c\/strong\u003e — Single pulse, short pulse, long pulse, and continuous pulse modes to suit any testing scenario.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12V Battery Powered\u003c\/strong\u003e — Connects directly to your vehicle's battery; no external power source needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMode Lock Function\u003c\/strong\u003e — Ensures consistent, repeatable results when testing multiple injectors back-to-back.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY Cleaning Ready\u003c\/strong\u003e — Comes with 2 cleaning heads so you can perform injector cleaning at home (cleaning oil not included).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible with Fuel Pressure Testers\u003c\/strong\u003e — Works seamlessly alongside any standard fuel pressure tester for comprehensive diagnostics.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignal Indicator Light\u003c\/strong\u003e — Illuminates during pulse output so you always know when the tool is actively testing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIdentifies Stuck, Leaking \u0026amp; Dead Injectors\u003c\/strong\u003e — Pinpoints exactly which injectors are failing so you only replace what's needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003ePulse Mode Guide\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse; width:100%;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background:#f4f4f4;\"\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:8px;\"\u003eMode\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:8px;\"\u003eType\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:8px;\"\u003eOutput Description\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eMode 1\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eSingle Pulse\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e1 pulse at ~255 ms pulse width — great for basic open\/close checks\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eMode 2\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eShort Pulse\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e50 pulses at ~7 ms — simulates normal fuel injection bursts\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eMode 3\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eLong Pulse\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e100 pulses at ~3.5 ms — extended actuation for thorough spray pattern testing\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e\u003cstrong\u003eMode 4\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eContinuous Pulse\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eContinuous output at ~50 pulses per 1450 ms — ideal for DIY cleaning cycles\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eTurn off the vehicle engine completely.\u003c\/li\u003e\n  \u003cli\u003eDisconnect the wire plug from the fuel injector(s) to be tested.\u003c\/li\u003e\n  \u003cli\u003eConnect the tester's two pulse output terminals to the fuel injector(s).\u003c\/li\u003e\n  \u003cli\u003eAttach the red clip to the \u003cstrong\u003epositive (+)\u003c\/strong\u003e terminal of your 12V car battery, and the black clip to the \u003cstrong\u003enegative (−)\u003c\/strong\u003e terminal.\u003c\/li\u003e\n  \u003cli\u003ePress \u003cstrong\u003e\"Mode Set\"\u003c\/strong\u003e to choose your desired pulse mode (displayed on screen).\u003c\/li\u003e\n  \u003cli\u003ePress \u003cstrong\u003e\"Pulse\"\u003c\/strong\u003e to begin testing — the signal indicator light will illuminate.\u003c\/li\u003e\n  \u003cli\u003eTo retest, press \u003cstrong\u003e\"Pulse\"\u003c\/strong\u003e again. To change modes, press \u003cstrong\u003e\"Reset\"\u003c\/strong\u003e and re-select.\u003c\/li\u003e\n  \u003cli\u003eWhen finished, restore all vehicle connections to their original state.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eSafety Warnings\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAlways turn off the engine before use.\u003c\/li\u003e\n  \u003cli\u003eUse only in well-ventilated areas — avoid inhaling fuel vapors or exhaust gas.\u003c\/li\u003e\n  \u003cli\u003eDo not smoke or use open flames near the vehicle during testing.\u003c\/li\u003e\n  \u003cli\u003eAvoid splashing fuel onto hot engine components.\u003c\/li\u003e\n  \u003cli\u003eDo not short-circuit the battery terminals.\u003c\/li\u003e\n  \u003cli\u003eKeep clear of rotating or moving engine parts.\u003c\/li\u003e\n  \u003cli\u003eWear approved safety goggles at all times.\u003c\/li\u003e\n  \u003cli\u003eFollow all warnings in your vehicle's maintenance manual.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× 12V Fuel Injector Tester (choice of Black or Orange)\u003c\/li\u003e\n  \u003cli\u003e2× DIY Cleaning Heads\u003c\/li\u003e\n  \u003cli\u003e\u003cem\u003eNote: Batteries and cleaning fluid not included.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003cp\u003eFor more automotive safety tips and DIY vehicle maintenance guidance, visit the U.S. Consumer Product Safety Commission (CPSC).\u003c\/p\u003e\n\n\u003cp\u003eYou might also find these related tools useful in your garage:\u003cbr\u003e\n\u003ca href=\"\/products\/120ml-heavy-duty-metal-rust-remover-anti-rust-coating-spray\"\u003e120ml Heavy-Duty Metal Rust Remover \u0026amp; Anti-Rust Spray\u003c\/a\u003e\u003cbr\u003e\n\u003ca href=\"\/products\/100-pack-disposable-nitrile-gloves-latex-free-white-oil-proof\"\u003e100-Pack Disposable Nitrile Gloves – Latex-Free, Oil-Proof\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Can this fuel injector tester work on both gasoline and diesel vehicles?\u003c\/h4\u003e\n\u003cp\u003eA: This 12V fuel injector tester is primarily designed for gasoline (petrol) fuel injectors. It may work on certain diesel injector types, but we recommend checking your vehicle's injector specifications before use to ensure compatibility.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Do I need to remove the injectors from the engine to test them?\u003c\/h4\u003e\n\u003cp\u003eA: No. You can test fuel injectors while they are still installed in the engine. Simply disconnect the injector's wire connector, connect the tester's pulse output terminals in its place, hook up to the 12V battery, and run your chosen pulse mode to diagnose the injector's condition.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What cleaning fluid should I use with the DIY cleaning heads?\u003c\/h4\u003e\n\u003cp\u003eA: The cleaning fluid is not included and must be purchased separately. Use a fuel injector cleaning solution specifically formulated for automotive fuel injectors. Always handle cleaning fluids in a well-ventilated area and follow the cleaning fluid manufacturer's safety instructions.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I know if a fuel injector has failed using this tester?\u003c\/h4\u003e\n\u003cp\u003eA: Connect the tester and select a pulse mode. A healthy injector will click audibly as it opens and closes. A stuck-open or stuck-closed injector may produce no click, a weak click, or visible fuel leakage during the test. The signal indicator light confirms the tester is sending pulse signals to the injector throughout the test cycle.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Can this fuel injector tester work on both gasoline and diesel vehicles?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This 12V fuel injector tester is primarily designed for gasoline (petrol) fuel injectors. It may work on certain diesel injector types, but we recommend checking your vehicle's injector specifications before use to ensure compatibility.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need to remove the injectors from the engine to test them?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. You can test fuel injectors while they are still installed in the engine. Simply disconnect the injector's wire connector, connect the tester's pulse output terminals in its place, hook up to the 12V battery, and run your chosen pulse mode to diagnose the injector's condition.\"}}, {\"@type\": \"Question\", \"name\": \"What cleaning fluid should I use with the DIY cleaning heads?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The cleaning fluid is not included and must be purchased separately. Use a fuel injector cleaning solution specifically formulated for automotive fuel injectors. Always handle cleaning fluids in a well-ventilated area and follow the cleaning fluid manufacturer's safety instructions.\"}}, {\"@type\": \"Question\", \"name\": \"How do I know if a fuel injector has failed using this tester?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Connect the tester and select a pulse mode. A healthy injector will click audibly as it opens and closes. A stuck-open or stuck-closed injector may produce no click, a weak click, or visible fuel leakage during the test. The signal indicator light confirms the tester is sending pulse signals to the injector throughout the test cycle.\"}}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"Tester black","offer_id":47710880890985,"sku":"14:29#Tester black","price":64.53,"currency_code":"USD","in_stock":true},{"title":"Tester orange","offer_id":47710880923753,"sku":"14:173#Tester orange","price":64.36,"currency_code":"USD","in_stock":true},{"title":"Tester Kit Orange","offer_id":47710880956521,"sku":"14:94#Tester Kit Orange","price":73.18,"currency_code":"USD","in_stock":true},{"title":"Tester Kit Black","offer_id":47710880989289,"sku":"14:201447325#Tester Kit Black","price":72.66,"currency_code":"USD","in_stock":true},{"title":"Fuel Injector Tester","offer_id":47710881022057,"sku":"14:350852#Fuel Injector Tester","price":64.03,"currency_code":"USD","in_stock":true},{"title":"Fuel Injector Tester 1","offer_id":47710881054825,"sku":"14:691#Fuel Injector Tester","price":64.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/Sb1a98725deab4085ad9c171d03e38317z.webp?v=1782062514","url":"https:\/\/oasis-select.com\/products\/12v-fuel-injector-tester-diy-cleaning-tool-dual-injector","provider":"Oasis Select","version":"1.0","type":"link"}