{"product_id":"lisle-noid-light-injector-tester-27800-universal-led-suction-mount-for-efi-diagnostics-adjustable-probes","title":"Lisle Noid Light injector tester, 27800 universal LED suction-mount for EFI diagnostics, adjustable probes","description":"\u003cp\u003e\u003cstrong\u003eThe Lisle 27800 Universal Noid Light is a compact, suction-mount tester that verifies injector pulse patterns on most electronic fuel-injection systems.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for technicians and DIY mechanics, this noid light gives a clear visual check of injector electrical pulses without disassembling the fuel system. Its adjustable probe adapters and one-person, windshield-mount design let you observe injector firing from the driver’s seat while cranking the engine, making troubleshooting faster and safer.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the Lisle 27800 show injector firing?\u003c\/h3\u003e\n\u003cp\u003eWhen connected to an injector harness, the LED flashes in time with the injector’s control pulses. A steady flash pattern indicates normal pulsing, while no flash or a continuous glow points to wiring, ECU, or injector driver issues.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLED visible from front seat for single-person testing\u003c\/li\u003e\n  \u003cli\u003eFlashing = pulsed signal; steady\/no light = possible fault\u003c\/li\u003e\n  \u003cli\u003eConnects directly to injector harness for immediate feedback\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich injector types and vehicles will it work with?\u003c\/h3\u003e\n\u003cp\u003eThe tool is built to be universally compatible with most electronic fuel injection arrangements, including throttle body, ported, and sequential central port injectors. Two screw-on probe adapters increase probe diameter to match various connector sizes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdjustable probes fit multiple EFI connector shapes and sizes\u003c\/li\u003e\n  \u003cli\u003eAdapters screw on to create larger probe diameters\u003c\/li\u003e\n  \u003cli\u003eSuitable for throttle body, ported, and sequential systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat is the best way to mount and view the noid light during testing?\u003c\/h3\u003e\n\u003cp\u003eThe 27800 includes a suction cup attachment that secures the unit to the vehicle windshield or a metal panel, keeping the LED in your line of sight. This hands-free setup lets one person crank the engine and monitor injector pulses safely from the driver’s seat.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSuction cup for quick windshield or metal-panel mounting\u003c\/li\u003e\n  \u003cli\u003ePositionable for optimal viewing while cranking the ignition\u003c\/li\u003e\n  \u003cli\u003eOne-person operation reduces the need for a second helper\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat can the Lisle noid light diagnose and what can’t it do?\u003c\/h3\u003e\n\u003cp\u003eThe tool tells you whether an injector is receiving the proper electrical pulse, helping isolate faults in wiring, grounds, ECU outputs, or the injector itself. It does not measure fuel flow, injector opening times quantitatively, or internal injector mechanical health.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDiagnoses presence and timing of injector pulses\u003c\/li\u003e\n  \u003cli\u003eHelps narrow down electrical faults vs. mechanical fuel issues\u003c\/li\u003e\n  \u003cli\u003eNot a flow meter—no fuel pressure or volumetric testing capability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The Lisle 27800 is ideal for professional mechanics, service technicians, and skilled DIYers who regularly troubleshoot EFI systems and need a quick, reliable way to confirm injector pulse signals. Its compact size, adjustable probes, and single-operator mounting make it a practical addition to garage toolkits, mobile service vans, and diagnostic benches. Note the product is an electrical pulse tester—combine it with fuel-pressure and injector-flow tools when a comprehensive fuel-system diagnosis is required.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePackage Dimensions: 22.86 cm (L) x 14.478 cm (W) x 22.86 cm (H)\u003c\/li\u003e\n  \u003cli\u003eProduct Type: Auto Accessory\u003c\/li\u003e\n  \u003cli\u003ePackage Quantity: 1\u003c\/li\u003e\n  \u003cli\u003eCountry of Origin: China\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will the Lisle 27800 work on my port-injected car?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Its adjustable probes and adapters fit throttle body, ported, and sequential central port injectors on most EFI systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does a steady light mean when testing?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A steady (constant) light or no light indicates a wiring, ground, ECU output, or injector driver problem rather than normal pulsed operation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Lisle","offers":[{"title":"Default Title","offer_id":55168404947287,"sku":"B0002SR57Q","price":51.76,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/lisle-noid-light-front-view.jpg?v=1790402955","url":"https:\/\/britishgarage.co.uk\/products\/lisle-noid-light-injector-tester-27800-universal-led-suction-mount-for-efi-diagnostics-adjustable-probes","provider":"British Garage","version":"1.0","type":"link"}