{"product_id":"merc-1148","title":"Mercury MerCruiser TMAP Sensor Assembly 8M0087834","description":"\u003ch2 data-section-id=\"ruj2l9\" data-start=\"42\" data-end=\"114\"\u003eMercury \/ MerCruiser Quicksilver \u003cstrong data-start=\"78\" data-end=\"114\"\u003eTMAP Sensor Assembly — 8M0087834\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp data-start=\"116\" data-end=\"522\"\u003eThe \u003cstrong data-start=\"120\" data-end=\"174\"\u003eMercury Quicksilver 8M0087834 TMAP Sensor Assembly\u003c\/strong\u003e is a genuine OEM \u003cstrong data-start=\"192\" data-end=\"252\"\u003etemperature and manifold absolute pressure (TMAP) sensor\u003c\/strong\u003e used on many \u003cstrong data-start=\"266\" data-end=\"301\"\u003eMerCruiser MPI gasoline engines\u003c\/strong\u003e. It measures both \u003cstrong data-start=\"320\" data-end=\"375\"\u003eintake manifold pressure and intake air temperature\u003c\/strong\u003e, sending real-time data to the engine control module (ECM) to optimize fuel injection and ignition timing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"524\" data-end=\"527\"\u003e\n\u003ch3 data-section-id=\"uvdx3z\" data-start=\"529\" data-end=\"551\"\u003eKey Specifications\u003c\/h3\u003e\n\u003cul data-start=\"552\" data-end=\"810\"\u003e\n\u003cli data-section-id=\"olc6v7\" data-start=\"552\" data-end=\"582\"\u003e\n\u003cp data-start=\"554\" data-end=\"582\"\u003e\u003cstrong data-start=\"554\" data-end=\"570\"\u003ePart Number:\u003c\/strong\u003e 8M0087834\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1qcswj5\" data-start=\"583\" data-end=\"656\"\u003e\n\u003cp data-start=\"585\" data-end=\"656\"\u003e\u003cstrong data-start=\"585\" data-end=\"604\"\u003eComponent Type:\u003c\/strong\u003e TMAP sensor (MAP + intake air temperature sensor)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"13ym30o\" data-start=\"657\" data-end=\"704\"\u003e\n\u003cp data-start=\"659\" data-end=\"704\"\u003e\u003cstrong data-start=\"659\" data-end=\"673\"\u003eOEM Brand:\u003c\/strong\u003e Mercury Marine \/ Quicksilver\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1b5glq4\" data-start=\"705\" data-end=\"810\"\u003e\n\u003cp data-start=\"707\" data-end=\"810\"\u003e\u003cstrong data-start=\"707\" data-end=\"724\"\u003eTypical MSRP:\u003c\/strong\u003e about \u003cstrong data-start=\"731\" data-end=\"748\"\u003e$110–$130 USD\u003c\/strong\u003e depending on supplier \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"812\" data-end=\"815\"\u003e\n\u003ch3 data-section-id=\"10g5ahp\" data-start=\"817\" data-end=\"839\"\u003eCompatible Engines\u003c\/h3\u003e\n\u003cp data-start=\"840\" data-end=\"908\"\u003eCommonly used on \u003cstrong data-start=\"857\" data-end=\"896\"\u003eMerCruiser MPI engines with ECM 555\u003c\/strong\u003e, including:\u003c\/p\u003e\n\u003cul data-start=\"910\" data-end=\"1078\"\u003e\n\u003cli data-section-id=\"1dqcqt5\" data-start=\"910\" data-end=\"929\"\u003e\n\u003cp data-start=\"912\" data-end=\"929\"\u003e\u003cstrong data-start=\"912\" data-end=\"927\"\u003e4.3L MPI V6\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"lqf3n9\" data-start=\"930\" data-end=\"949\"\u003e\n\u003cp data-start=\"932\" data-end=\"949\"\u003e\u003cstrong data-start=\"932\" data-end=\"947\"\u003e5.0L MPI V8\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"smdhqm\" data-start=\"950\" data-end=\"976\"\u003e\n\u003cp data-start=\"952\" data-end=\"976\"\u003e\u003cstrong data-start=\"952\" data-end=\"974\"\u003e5.7L \/ 350 MAG MPI\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1h1yk5g\" data-start=\"977\" data-end=\"996\"\u003e\n\u003cp data-start=\"979\" data-end=\"996\"\u003e\u003cstrong data-start=\"979\" data-end=\"994\"\u003e377 MAG MPI\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1mrjhbx\" data-start=\"997\" data-end=\"1020\"\u003e\n\u003cp data-start=\"999\" data-end=\"1020\"\u003e\u003cstrong data-start=\"999\" data-end=\"1018\"\u003e383 MAG Stroker\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1yxx4xe\" data-start=\"1021\" data-end=\"1078\"\u003e\n\u003cp data-start=\"1023\" data-end=\"1078\"\u003e\u003cstrong data-start=\"1023\" data-end=\"1038\"\u003eMX 6.2L MPI\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1080\" data-end=\"1227\"\u003eThese engines are typically found in \u003cstrong data-start=\"1117\" data-end=\"1186\"\u003eAlpha and Bravo sterndrive boats as well as inboard installations\u003c\/strong\u003e. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1229\" data-end=\"1232\"\u003e\n\u003ch3 data-section-id=\"1212f2c\" data-start=\"1234\" data-end=\"1246\"\u003eFunction\u003c\/h3\u003e\n\u003cp data-start=\"1247\" data-end=\"1324\"\u003eThe TMAP sensor performs two key measurements inside the \u003cstrong data-start=\"1304\" data-end=\"1323\"\u003eintake manifold\u003c\/strong\u003e:\u003c\/p\u003e\n\u003col data-start=\"1326\" data-end=\"1505\"\u003e\n\u003cli data-section-id=\"d8t4lj\" data-start=\"1326\" data-end=\"1413\"\u003e\n\u003cp data-start=\"1329\" data-end=\"1367\"\u003e\u003cstrong data-start=\"1329\" data-end=\"1365\"\u003eManifold Absolute Pressure (MAP)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1371\" data-end=\"1413\"\u003e\n\u003cli data-section-id=\"1yfzfpz\" data-start=\"1371\" data-end=\"1413\"\u003e\n\u003cp data-start=\"1373\" data-end=\"1413\"\u003eDetermines engine load and air density\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1uo8kso\" data-start=\"1415\" data-end=\"1505\"\u003e\n\u003cp data-start=\"1418\" data-end=\"1452\"\u003e\u003cstrong data-start=\"1418\" data-end=\"1450\"\u003eIntake Air Temperature (IAT)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1456\" data-end=\"1505\"\u003e\n\u003cli data-section-id=\"1paew89\" data-start=\"1456\" data-end=\"1505\"\u003e\n\u003cp data-start=\"1458\" data-end=\"1505\"\u003eHelps adjust fuel mixture and ignition timing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-start=\"1507\" data-end=\"1540\"\u003eThe ECM uses this information to:\u003c\/p\u003e\n\u003cul data-start=\"1541\" data-end=\"1720\"\u003e\n\u003cli data-section-id=\"lmxizo\" data-start=\"1541\" data-end=\"1576\"\u003e\n\u003cp data-start=\"1543\" data-end=\"1576\"\u003eOptimize the \u003cstrong data-start=\"1556\" data-end=\"1574\"\u003eair-fuel ratio\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"18suode\" data-start=\"1577\" data-end=\"1631\"\u003e\n\u003cp data-start=\"1579\" data-end=\"1631\"\u003eImprove \u003cstrong data-start=\"1587\" data-end=\"1629\"\u003eengine performance and fuel efficiency\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ewng5m\" data-start=\"1632\" data-end=\"1720\"\u003e\n\u003cp data-start=\"1634\" data-end=\"1720\"\u003eMaintain \u003cstrong data-start=\"1643\" data-end=\"1680\"\u003esmooth idle and throttle response\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1722\" data-end=\"1725\"\u003e\n\u003ch3 data-section-id=\"1mlm6to\" data-start=\"1727\" data-end=\"1770\"\u003eCommon Symptoms of a Failed TMAP Sensor\u003c\/h3\u003e\n\u003cp data-start=\"1771\" data-end=\"1797\"\u003eA faulty sensor can cause:\u003c\/p\u003e\n\u003cul data-start=\"1799\" data-end=\"1921\"\u003e\n\u003cli data-section-id=\"l5gvkb\" data-start=\"1799\" data-end=\"1813\"\u003e\n\u003cp data-start=\"1801\" data-end=\"1813\"\u003eRough idle\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"jrh1go\" data-start=\"1814\" data-end=\"1835\"\u003e\n\u003cp data-start=\"1816\" data-end=\"1835\"\u003ePoor acceleration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"yvjb5j\" data-start=\"1836\" data-end=\"1866\"\u003e\n\u003cp data-start=\"1838\" data-end=\"1866\"\u003eIncreased fuel consumption\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"151votu\" data-start=\"1867\" data-end=\"1891\"\u003e\n\u003cp data-start=\"1869\" data-end=\"1891\"\u003eEngine warning codes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1mjutzg\" data-start=\"1892\" data-end=\"1921\"\u003e\n\u003cp data-start=\"1894\" data-end=\"1921\"\u003eHard starting or stalling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1923\" data-end=\"1989\"\u003eReplacing the sensor restores accurate engine management readings.\u003c\/p\u003e\n\u003chr data-start=\"1991\" data-end=\"1994\"\u003e\n\u003cp data-start=\"1996\" data-end=\"2186\"\u003e⚠️ \u003cstrong data-start=\"1999\" data-end=\"2015\"\u003eFitment Tip:\u003c\/strong\u003e\u003cbr data-start=\"2015\" data-end=\"2018\"\u003eAlways verify compatibility using the \u003cstrong data-start=\"2056\" data-end=\"2080\"\u003eengine serial number\u003c\/strong\u003e. Many MPI engines look identical but use different sensor calibrations depending on the ECM generation.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOEM parts ship same or next day for fast Canada wide shipping.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eType: Temperature\/Manifold Absolute Pressure (TMAP) sensor assembly\u003c\/li\u003e\n\u003cli\u003eCompatible with: Mercury MerCruiser marine engines\u003c\/li\u003e\n\u003cli\u003ePart Number: 8M0087834\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MERC","offers":[{"title":"Default Title","offer_id":43563913805860,"sku":"8M0087834","price":190.14,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0743\/5799\/7604\/files\/fe659679-bf72-4be0-927a-9623b166fb2b.png?v=1773357125","url":"https:\/\/marisolmarine.com\/products\/merc-1148","provider":"Marisol Marine Company","version":"1.0","type":"link"}