{"product_id":"84286040-sonda-lambda","title":"84286040 SENSOR","description":"\u003cp\u003eSENSOR SONDAS LAMBDA IVECO\u003c\/p\u003e\n\u003ch2 class=\"\" data-end=\"276\" data-start=\"246\"\u003e🔧 O que é a sonda lambda?\u003c\/h2\u003e\n\u003cp class=\"\" data-end=\"451\" data-start=\"278\"\u003eÉ um \u003cstrong data-end=\"354\" data-start=\"284\"\u003esensor que mede a quantidade de oxigénio (O₂) nos gases de escape\u003c\/strong\u003e, e permite saber se a combustão foi \u003cstrong data-end=\"425\" data-start=\"397\"\u003erica (muito combustível)\u003c\/strong\u003e ou \u003cstrong data-end=\"450\" data-start=\"428\"\u003epobre (muito ar)\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cblockquote data-end=\"596\" data-start=\"453\"\u003e\n\n\u003cp class=\"\" data-end=\"596\" data-start=\"455\"\u003e🔍 “Lambda” = relação ar\/combustível ideal (14,7:1 para gasolina, diferente no diesel, mas usada como referência na gestão eletrónica).\u003c\/p\u003e\n\n\n\u003c\/blockquote\u003e\n\u003chr class=\"\" data-end=\"601\" data-start=\"598\"\u003e\n\u003ch2 class=\"\" data-end=\"624\" data-start=\"603\"\u003e⚙️ Como funciona?\u003c\/h2\u003e\n\u003col data-end=\"1189\" data-start=\"626\"\u003e\n\n\u003cli class=\"\" data-end=\"735\" data-start=\"626\"\u003e\n\n\u003cp class=\"\" data-end=\"735\" data-start=\"629\"\u003eA sonda encontra-se no \u003cstrong data-end=\"678\" data-start=\"657\"\u003esistema de escape\u003c\/strong\u003e, normalmente antes do catalisador (\u003cstrong data-end=\"733\" data-start=\"715\"\u003epré-catalítico\u003c\/strong\u003e).\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"898\" data-start=\"736\"\u003e\n\n\u003cp class=\"\" data-end=\"898\" data-start=\"739\"\u003eTem um elemento cerâmico (geralmente dióxido de zircónio) que gera uma tensão quando deteta a diferença de oxigénio entre o escape e o ar exterior.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"1043\" data-start=\"899\"\u003e\n\n\u003cp class=\"\" data-end=\"982\" data-start=\"902\"\u003eA ECU lê esta tensão e \u003cstrong data-end=\"966\" data-start=\"928\"\u003eajusta a injeção de combustível\u003c\/strong\u003e para otimizar:\u003c\/p\u003e\n\n\u003cul data-end=\"1043\" data-start=\"986\"\u003e\n\n\u003cli class=\"\" data-end=\"999\" data-start=\"986\"\u003e\n\n\u003cp class=\"\" data-end=\"999\" data-start=\"988\"\u003eCombustão.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"1013\" data-start=\"1003\"\u003e\n\n\u003cp class=\"\" data-end=\"1013\" data-start=\"1005\"\u003eConsumo.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"1043\" data-start=\"1017\"\u003e\n\n\u003cp class=\"\" data-end=\"1043\" data-start=\"1019\"\u003eEmissões (NOx, HC, CO).\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"1189\" data-start=\"1044\"\u003e\n\n\u003cp class=\"\" data-end=\"1091\" data-start=\"1047\"\u003eNos motores Euro 6 também ajuda a controlar:\u003c\/p\u003e\n\n\u003cul data-end=\"1189\" data-start=\"1095\"\u003e\n\n\u003cli class=\"\" data-end=\"1116\" data-start=\"1095\"\u003e\n\n\u003cp class=\"\" data-end=\"1116\" data-start=\"1097\"\u003eO \u003cstrong data-end=\"1115\" data-start=\"1100\"\u003esistema EGR\u003c\/strong\u003e.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"1155\" data-start=\"1120\"\u003e\n\n\u003cp class=\"\" data-end=\"1155\" data-start=\"1122\"\u003eA \u003cstrong data-end=\"1154\" data-start=\"1125\"\u003einjeção de AdBlue (SCR)\u003c\/strong\u003e.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"1189\" data-start=\"1159\"\u003e\n\n\u003cp class=\"\" data-end=\"1189\" data-start=\"1161\"\u003eA \u003cstrong data-end=\"1188\" data-start=\"1164\"\u003eregeneração do FAP\u003c\/strong\u003e.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ol\u003e\n\u003chr class=\"\" data-end=\"1194\" data-start=\"1191\"\u003e\n\u003ch2 class=\"\" data-end=\"1222\" data-start=\"1196\"\u003e📍 Onde está localizada?\u003c\/h2\u003e\n\u003cp class=\"\" data-end=\"1264\" data-start=\"1224\"\u003eEm camiões IVECO modernos, pode haver:\u003c\/p\u003e\n\u003cul data-end=\"1478\" data-start=\"1266\"\u003e\n\n\u003cli class=\"\" data-end=\"1371\" data-start=\"1266\"\u003e\n\n\u003cp class=\"\" data-end=\"1371\" data-start=\"1268\"\u003e\u003cstrong data-end=\"1325\" data-start=\"1268\"\u003e1 sonda lambda antes do catalisador (pré-catalítica)\u003c\/strong\u003e → controla a mistura e a eficiência da combustão.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"1478\" data-start=\"1372\"\u003e\n\n\u003cp class=\"\" data-end=\"1478\" data-start=\"1374\"\u003e\u003cstrong data-end=\"1427\" data-start=\"1374\"\u003e1 sonda depois do catalisador (pós-catalítica)\u003c\/strong\u003e → verifica a eficiência do catalisador ou do FAP.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp class=\"\" data-end=\"1584\" data-start=\"1480\"\u003eLocalização habitual:\u003cbr data-end=\"1502\" data-start=\"1499\"\u003e🔧 Enroscadas no tubo de escape, mesmo antes e\/ou depois do catalisador ou DPF.\u003c\/p\u003e\n\u003chr class=\"\" data-end=\"1589\" data-start=\"1586\"\u003e\n\u003ch2 class=\"\" data-end=\"1636\" data-start=\"1591\"\u003e📈 Sinais típicos (em volts ou amperes)\u003c\/h2\u003e\n\u003cdiv class=\"pointer-events-none relative left-[50%]! flex w-[100cqw] translate-x-[-50%] justify-center *:pointer-events-auto\"\u003e\n\n\u003cdiv class=\"tableContainer horzScrollShadows\"\u003e\n\n\u003ctable data-end=\"1937\" data-start=\"1638\" class=\"min-w-full\"\u003e\n\n\u003cthead data-end=\"1689\" data-start=\"1638\"\u003e\n\n\u003ctr data-end=\"1689\" data-start=\"1638\"\u003e\n\n\u003cth data-end=\"1654\" data-start=\"1638\"\u003eTipo de sonda\u003c\/th\u003e\n\n\u003cth data-end=\"1671\" data-start=\"1654\"\u003eSinal gerado\u003c\/th\u003e\n\n\u003cth data-end=\"1689\" data-start=\"1671\"\u003eComportamento\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/thead\u003e\n\n\u003ctbody data-end=\"1937\" data-start=\"1742\"\u003e\n\n\u003ctr data-end=\"1836\" data-start=\"1742\"\u003e\n\n\u003ctd data-end=\"1767\" data-start=\"1742\" class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\"\u003eTradicional (zircónio)\u003c\/td\u003e\n\n\u003ctd data-end=\"1812\" data-start=\"1767\" class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)] min-w-[calc(var(--thread-content-max-width)\/3)]\"\u003e0,1 V (mistura pobre) a 0,9 V (mistura rica)\u003c\/td\u003e\n\n\u003ctd data-end=\"1836\" data-start=\"1812\" class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\"\u003eOscila continuamente\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"1937\" data-start=\"1837\"\u003e\n\n\u003ctd data-end=\"1871\" data-start=\"1837\" class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\"\u003eSonda de banda larga (wideband)\u003c\/td\u003e\n\n\u003ctd data-end=\"1902\" data-start=\"1871\" class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\"\u003eSinal mais preciso, em mA ou V\u003c\/td\u003e\n\n\u003ctd data-end=\"1937\" data-start=\"1902\" class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\"\u003eDados mais estáveis e detalhados\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\u003chr class=\"\" data-end=\"1942\" data-start=\"1939\"\u003e\n\u003ch2 class=\"\" data-end=\"1986\" data-start=\"1944\"\u003e🚨 Sintomas de falha da sonda lambda\u003c\/h2\u003e\n\u003cul data-end=\"2228\" data-start=\"1988\"\u003e\n\n\u003cli class=\"\" data-end=\"2025\" data-start=\"1988\"\u003e\n\n\u003cp class=\"\" data-end=\"2025\" data-start=\"1990\"\u003e\u003cstrong data-end=\"2024\" data-start=\"1990\"\u003eConsumo elevado de combustível\u003c\/strong\u003e.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"2060\" data-start=\"2026\"\u003e\n\n\u003cp class=\"\" data-end=\"2060\" data-start=\"2028\"\u003eFumo negro ou emissões anómalas.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"2087\" data-start=\"2061\"\u003e\n\n\u003cp class=\"\" data-end=\"2087\" data-start=\"2063\"\u003e\u003cstrong data-end=\"2086\" data-start=\"2063\"\u003ePerda de potência\u003c\/strong\u003e.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"2132\" data-start=\"2088\"\u003e\n\n\u003cp class=\"\" data-end=\"2132\" data-start=\"2090\"\u003eLuz do motor (\u003cstrong data-end=\"2120\" data-start=\"2104\"\u003eCheck Engine\u003c\/strong\u003e) acesa.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"2180\" data-start=\"2133\"\u003e\n\n\u003cp class=\"\" data-end=\"2180\" data-start=\"2135\"\u003eMau funcionamento do sistema \u003cstrong data-end=\"2179\" data-start=\"2166\"\u003eSCR ou FAP\u003c\/strong\u003e.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"2228\" data-start=\"2181\"\u003e\n\n\u003cp class=\"\" data-end=\"2228\" data-start=\"2183\"\u003e\u003cstrong data-end=\"2227\" data-start=\"2183\"\u003eRegenerações falhadas ou muito frequentes\u003c\/strong\u003e.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003chr class=\"\" data-end=\"2233\" data-start=\"2230\"\u003e\n\u003ch2 class=\"\" data-end=\"2271\" data-start=\"2235\"\u003e🛠️ Diagnóstico e códigos comuns\u003c\/h2\u003e\n\u003cp class=\"\" data-end=\"2328\" data-start=\"2273\"\u003eCom um equipamento de diagnóstico (IVECO EASY, Jaltest, TEXA):\u003c\/p\u003e\n\u003cul data-end=\"2446\" data-start=\"2330\"\u003e\n\n\u003cli class=\"\" data-end=\"2394\" data-start=\"2330\"\u003e\n\n\u003cp class=\"\" data-end=\"2394\" data-start=\"2332\"\u003ePode ver as tensões ou os valores de corrente em tempo real.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"2427\" data-start=\"2395\"\u003e\n\n\u003cp class=\"\" data-end=\"2427\" data-start=\"2397\"\u003eComparar a sonda 1 e a sonda 2.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"2446\" data-start=\"2428\"\u003e\n\n\u003cp class=\"\" data-end=\"2446\" data-start=\"2430\"\u003eCódigos comuns:\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cdiv class=\"pointer-events-none relative left-[50%]! flex w-[100cqw] translate-x-[-50%] justify-center *:pointer-events-auto\"\u003e\n\n\u003cdiv class=\"tableContainer horzScrollShadows\"\u003e\n\n\u003ctable data-end=\"2739\" data-start=\"2448\" class=\"min-w-full\"\u003e\n\n\u003cthead data-end=\"2472\" data-start=\"2448\"\u003e\n\n\u003ctr data-end=\"2472\" data-start=\"2448\"\u003e\n\n\u003cth data-end=\"2457\" data-start=\"2448\"\u003eCódigo\u003c\/th\u003e\n\n\u003cth data-end=\"2472\" data-start=\"2457\"\u003eDescrição\u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/thead\u003e\n\n\u003ctbody data-end=\"2739\" data-start=\"2498\"\u003e\n\n\u003ctr data-end=\"2557\" data-start=\"2498\"\u003e\n\n\u003ctd data-end=\"2506\" data-start=\"2498\" class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\"\u003eP0130\u003c\/td\u003e\n\n\u003ctd data-end=\"2557\" data-start=\"2506\" class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)] min-w-[calc(var(--thread-content-max-width)\/3)]\"\u003eCircuito da sonda lambda (banco 1, sensor 1)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2618\" data-start=\"2558\"\u003e\n\n\u003ctd data-end=\"2566\" data-start=\"2558\" class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\"\u003eP0136\u003c\/td\u003e\n\n\u003ctd data-end=\"2618\" data-start=\"2566\" class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)] min-w-[calc(var(--thread-content-max-width)\/3)]\"\u003eFalha na sonda lambda depois do catalisador\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2679\" data-start=\"2619\"\u003e\n\n\u003ctd data-end=\"2627\" data-start=\"2619\" class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\"\u003eP0420\u003c\/td\u003e\n\n\u003ctd data-end=\"2679\" data-start=\"2627\" class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)] min-w-[calc(var(--thread-content-max-width)\/3)]\"\u003eEficiência do catalisador abaixo do limiar\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr data-end=\"2739\" data-start=\"2680\"\u003e\n\n\u003ctd data-end=\"2688\" data-start=\"2680\" class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)]\"\u003eP2296\u003c\/td\u003e\n\n\u003ctd data-end=\"2739\" data-start=\"2688\" class=\"max-w-[calc(var(--thread-content-max-width)*2\/3)] min-w-[calc(var(--thread-content-max-width)\/3)]\"\u003eProblema com a sonda de oxigénio de banda larga\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\u003chr class=\"\" data-end=\"2744\" data-start=\"2741\"\u003e\n\u003ch2 class=\"\" data-end=\"2770\" data-start=\"2746\"\u003e🧼 Pode ser limpa?\u003c\/h2\u003e\n\u003cp class=\"\" data-end=\"2851\" data-start=\"2772\"\u003eNão é recomendado. Se a sonda estiver contaminada com fuligem, óleo ou AdBlue:\u003c\/p\u003e\n\u003cul data-end=\"3050\" data-start=\"2853\"\u003e\n\n\u003cli class=\"\" data-end=\"2878\" data-start=\"2853\"\u003e\n\n\u003cp class=\"\" data-end=\"2878\" data-start=\"2855\"\u003ePode perder precisão.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"2912\" data-start=\"2879\"\u003e\n\n\u003cp class=\"\" data-end=\"2912\" data-start=\"2881\"\u003eGeralmente, é \u003cstrong data-end=\"2911\" data-start=\"2898\"\u003esubstituída\u003c\/strong\u003e.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli class=\"\" data-end=\"3050\" data-start=\"2913\"\u003e\n\n\u003cp class=\"\" data-end=\"3050\" data-start=\"2915\"\u003eEm alguns casos, uma \u003cstrong data-end=\"2983\" data-start=\"2937\"\u003elimpeza ligeira com limpa-contactos\u003c\/strong\u003e pode recuperar temporariamente a sua função, mas \u003cstrong data-end=\"3049\" data-start=\"3031\"\u003enão é o ideal\u003c\/strong\u003e.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003eExemplo:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModelo \u0026gt; \u003c\/strong\u003e35C15 2006\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eChassis \u0026gt;\u003c\/strong\u003e D376370\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFolha \u0026gt;\u003c\/strong\u003e 76-01-14\u003c\/p\u003e\n\u003cp\u003eOutro exemplo:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModelo \u0026gt; \u003c\/strong\u003e35S12 2016\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eChassis \u0026gt;\u003c\/strong\u003e D376370\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFolha \u0026gt;\u003c\/strong\u003e 76-01-15\u003c\/p\u003e","brand":"SVRECAMBIOS","offers":[{"title":"Default Title","offer_id":40995190046900,"sku":"84286040","price":103.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0594\/1251\/2948\/products\/84286040.jpg?v=1638393843","url":"https:\/\/prosvrecambios.es\/pt\/products\/84286040-sonda-lambda","provider":"SVRECAMBIOS","version":"1.0","type":"link"}