{"product_id":"aem-x-series-wideband-uego-afr-gauge-kit","title":"AEM X-Series Wideband UEGO AFR Gauge Kit with Sensor - 30-0300","description":"\u003cp\u003eThe AEM 30-0300 is a 52 mm digital gauge with a built-in wideband controller that measures air\/fuel ratio (AFR) for monitoring and tuning. The kit includes an AEM\/FAE wideband oxygen sensor and a weld-in bung.\u003c\/p\u003e\u003cp\u003eAlready running a wideband sensor? The \u003ca href=\"\/products\/aem-x-series-wideband-uego-afr-gauge-only-no-sensor\"\u003eX-Series wideband gauge without sensor\u003c\/a\u003e works only with an AEM\/FAE or Bosch LSU 4.9 wideband sensor. Factory narrowband O2 sensors and Bosch LSU 4.2 sensors will not work with it.\u003c\/p\u003e\u003ch2\u003eFitment and requirements\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGas, E85 or race-fuel engines, carbureted or EFI, where you can weld the supplied bung into the exhaust\u003c\/li\u003e\n\u003cli\u003eAEM places the sensor about 18 inches downstream of the exhaust port or turbo, and ahead of any catalytic converter\u003c\/li\u003e\n\u003cli\u003eNeeds switched 12V power and ground\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat it does\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eShows AFR, lambda or O2 percent, switchable from the face buttons\u003c\/li\u003e\n\u003cli\u003eAuto-detects an AEM\/FAE or Bosch LSU 4.9 sensor and shows which one is connected\u003c\/li\u003e\n\u003cli\u003eFree-air or resistor-trim calibration modes\u003c\/li\u003e\n\u003cli\u003eTypical response time 20 ms (AEM rating)\u003c\/li\u003e\n\u003cli\u003e0-5V analog, RS232 and AEMnet CAN outputs for logging\u003c\/li\u003e\n\u003cli\u003eAccepts up to 16V supply\u003c\/li\u003e\n\u003cli\u003e52 mm (2-1\/16 inch) body with a slim 0.825 inch depth\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat is in the box\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eX-Series AFR gauge\u003c\/li\u003e\n\u003cli\u003eAEM\/FAE wideband oxygen sensor\u003c\/li\u003e\n\u003cli\u003eWeld-in mild steel O2 sensor bung\u003c\/li\u003e\n\u003cli\u003eSensor cable and power\/IO cable\u003c\/li\u003e\n\u003cli\u003eMounting bracket and knurled nuts\u003c\/li\u003e\n\u003cli\u003eButt connectors\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation and limitations\u003c\/h2\u003e\u003cp\u003eWeld the bung where AEM recommends, about 18 inches after the exhaust port or turbo and before any catalytic converter. Power the gauge from switched 12V so the sensor heater shuts off with the key.\u003c\/p\u003e\u003cp\u003eRunning with the sensor installed but unpowered, or on leaded fuel, shortens sensor life. Full details: \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0840\/9301\/0238\/files\/AEM-30-0300-X-Series-Wideband-Instructions.pdf\"\u003eAEM X-Series wideband instructions (PDF)\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number: 30-0300\u003c\/li\u003e\n\u003cli\u003eBrand: AEM\u003c\/li\u003e\n\u003cli\u003eWarranty: 1 year manufacturer warranty\u003c\/li\u003e\n\u003cli\u003eCountry of origin: United States\u003c\/li\u003e\n\u003cli\u003ePackaged size: 5.5 x 5.4 x 5.3 in, 1.33 lb\u003c\/li\u003e\n\u003cli\u003eUPC: 840879024437\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eDoes the AEM 30-0300 kit include an oxygen sensor?\u003c\/h3\u003e\u003cp\u003eYes. It includes an AEM\/FAE wideband sensor and a weld-in bung. The 30-0300NS is the same gauge without the sensor.\u003c\/p\u003e\u003ch3\u003eWhich replacement sensors work with the 30-0300?\u003c\/h3\u003e\u003cp\u003eAEM\/FAE wideband sensors and Bosch LSU 4.9 sensors; the gauge detects which one is connected. The \u003ca href=\"\/products\/aem-bosch-replacement-uego-sensor-1\"\u003eBosch LSU 4.9 replacement sensor 30-2004\u003c\/a\u003e is a Bosch LSU 4.9.\u003c\/p\u003e\u003ch3\u003eCan I log the 30-0300 with an HP Tuners MPVI4?\u003c\/h3\u003e\u003cp\u003eYes, with extra hardware. Wire the gauge 0-5V output into an analog input through HP Tuners' \u003ca href=\"\/products\/prolink-cable-for-mpvi3\"\u003ePROLINK+ cable\u003c\/a\u003e (sold separately) and enter AEM's output scaling from the instructions in VCM Scanner. See the \u003ca href=\"\/products\/hp-tuners-mpvi4-tuner-1\"\u003eHP Tuners MPVI4\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eCan I change the bezel color?\u003c\/h3\u003e\u003cp\u003eYes. The \u003ca href=\"\/products\/aem-x-series-wideband-uego-afr-gauge-accessory-kit\"\u003esilver bezel and white face kit 30-0300-ACC\u003c\/a\u003e swaps in a silver bezel and white face.\u003c\/p\u003e","brand":"AEM","offers":[{"title":"Default Title","offer_id":53686467428670,"sku":"30-0300","price":230.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0840\/9301\/0238\/files\/dbb5a6503b59c0671c699d5c670b05ea_781216c3-6369-4869-bb36-07a64d456a08.jpg?v=1794417964","url":"https:\/\/tunerstore.com\/products\/aem-x-series-wideband-uego-afr-gauge-kit","provider":"The Tuner Store","version":"1.0","type":"link"}