{"id":5783,"date":"2026-05-22T08:00:00","date_gmt":"2026-05-22T08:00:00","guid":{"rendered":"https:\/\/www.zamulecars.com\/uncategorized\/itv-diesel-euro-5-6-opacidad-alta-no-apta-mallorca\/"},"modified":"2026-07-15T12:54:08","modified_gmt":"2026-07-15T12:54:08","slug":"itv-diesel-euro-5-6-opacidad-alta-no-apta-mallorca","status":"publish","type":"post","link":"https:\/\/www.zamulecars.com\/en\/uncategorized\/itv-diesel-euro-5-6-opacidad-alta-no-apta-mallorca\/","title":{"rendered":"ITV diesel Euro 5\/6 with high opacity: failed and how to pass it at Zamule"},"content":{"rendered":"<style>\nbody{background:#0a0a09 !important;margin:0 !important}\nbody .et_pb_section,body .et_pb_row,body .et_pb_row .et_pb_column,body .et_pb_section_regular,body article.post,body article.page,body .et_pb_post_content,body .entry-content,body main,body #main-content,body #left-area,body .container,body .et_post_meta_wrapper,body .et-l--body{padding:0 !important;margin:0 !important;max-width:100% 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0}\n.zb-price-tag{display:inline-block;background:#f7941d;color:#1d1d1b;font-size:10px;font-weight:900;\n  letter-spacing:.5px;padding:5px 10px;border-radius:6px;text-transform:uppercase;margin-bottom:10px}\n.zb-price h3{margin:0 0 6px;font-size:18px;font-weight:900;color:#fff;line-height:1.2}\n.zb-price-num{font-size:28px;font-weight:900;color:#f7941d;line-height:1;margin-bottom:8px}\n.zb-price-num small{font-size:13px;font-weight:700;color:#cfcfca;display:block;margin-top:3px}\n\n\/* RELATED *\/\n.zb-rel{background:#14140f;color:#fff;padding:40px 24px}\n.zb-rel-wrap{max-width:980px;margin:0 auto}\n.zb-rel h2{font-size:22px;font-weight:900;color:#fff;margin:0 0 20px;text-align:center}\n.zb-rel h2 em{color:#f7941d;font-style:normal}\n.zb-rel-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}\n@media(max-width:560px){.zb-rel-grid{grid-template-columns:1fr}}\n.zb-rel-card{background:#2a2a26;border:1px solid #3a3a36;border-radius:12px;padding:16px;\n  display:flex;flex-direction:column;gap:4px;text-decoration:none;color:#fff;transition:.15s}\n.zb-rel-card:hover{border-color:#f7941d;background:rgba(247,148,29,.06)}\n.zb-rel-card strong{color:#f7941d;font-size:13px;font-weight:800;letter-spacing:.3px;text-transform:uppercase}\n.zb-rel-card span{font-size:14px;color:#cfcfca;line-height:1.4}\n\n\/* FOOTER MINI *\/\n.zb-foot{background:#0a0a09;color:#8a8a87;padding:30px 24px;text-align:center;border-top:1px solid rgba(255,255,255,.08)}\n.zb-foot p{margin:0;font-size:13px}\n.zb-foot a{color:#f7941d;font-weight:700}\n<\/style>\n\n\n<div class=\"zb\">\n\n  <nav class=\"zb-crumb\">\n    <a href=\"\/en\/\">Home<\/a> \u00b7 <a href=\"\/en\/blog\/\">Blog<\/a> \u00b7 <strong>ITV diesel &middot; High opacity<\/strong>\n  <\/nav>\n\n  <article class=\"zb-hero\">\n    <div class=\"zb-hero-wrap\">\n      <span class=\"zb-cat\">FAST MECHANICS &middot; ITV &middot; DIESEL<\/span>\n      <h1 class=\"zb-h1\">ITV for diesel <em>failed due to opacity<\/em>: how to pass it at Zamule<\/h1>\n      <div class=\"zb-meta\">\n        <span>?? 22 May 2026<\/span>\n        <span>\ud83d\udcdd <strong>Zamule technical team<\/strong><\/span>\n        <span>? 5 min read<\/span>\n        <span>?? Palma de Mallorca<\/span>\n      <\/div>\n    <\/div>\n  <\/article>\n\n  <section class=\"zb-art\">\n    <div class=\"zb-art-wrap\">\n\n      <p>You've passed the <strong>ITV with your diesel car and it failed due to high opacity<\/strong>It's one of the most common rejections we see when vehicles arrive at our workshop. And for most, there's a solution without you having to replace your DPF or catalytic converter.<\/p><p>We explain what the ITV measures, what causes high opacity, and how we solve it at Zamule Cars Palma de Mallorca with a protocol tested on hundreds of cars.<\/p>\n\n      <h2>What does the ITV measure and what is the legal limit<\/h2>\n      <p>The ITV measures the <strong>exhaust smoke opacity<\/strong> with an approved opacimeter during a free acceleration test. The current legal limits in Spain:<\/p><ul><li><strong>Euro 6 (registrations &gt; Sep 2015):<\/strong> the 0.70 m limit?<\/li><li><strong>Euro 5 (Jul 2009 to Aug 2015):<\/strong> the 1.50 m limit?<\/li><li>Older cars: more permissive limits based on registration<\/li><\/ul><p>When a car reaches 2-7 m? (which is normal for a saturated DPF or a clogged intake) the ITV is <strong>automatically failed<\/strong>.<\/p><p>Most common causes we see in the workshop:<\/p><ul><li>Saturated or inefficient DPF<\/li><li>EGR valve stuck due to carbon build-up (constantly admits dirty gases)<\/li><li>Leaky turbo or oil<\/li><li>Injectors that aren't atomizing properly<\/li><li>Faulty lambda probe or NOx sensor<\/li><li>Oil heavily diluted with diesel (dirty combustion)<\/li><li>Heavy soot buildup from urban use<\/li><\/ul>\n\n      <h2>If you're going to do your ITV soon, check out these symptoms<\/h2>\n      <p>If your car has <strong>one or more<\/strong> of these symptoms, there's a serious risk of failing:<\/p><ul><li>Grey or black smoke when accelerating<\/li><li>Loss of power<\/li><li>Yellow engine light<\/li><li>Recurring emergency mode<\/li><li>High fuel consumption<\/li><li>Smell of burnt diesel<\/li><li>Oil above maximum level (dilution)<\/li><li>Frequent short urban trips<\/li><li>No decarbonization in the last 80,000-100,000 km<\/li><\/ul>\n\n      <div class=\"zb-codes\">\n        <h3>?? Related OBD-II codes<\/h3>\n        <ul>\n          <li><strong>P244A<\/strong> High DPF differential pressure<\/li><li><strong>P2002<\/strong> Low DPF efficiency<\/li><li><strong>P0401 \/ P0402<\/strong> EGR flow (dirty intake)<\/li><li><strong>P0299<\/strong> Turbo low boost<\/li><li><strong>P0420 \/ P0421<\/strong> Catalyst efficiency<\/li><li><strong>P0263-P0272<\/strong> Cylinder injector contribution<\/li>\n        <\/ul>\n      <\/div>\n\n      <h2>Zamule pre-ITV diesel protocol 95% approval rate<\/h2>\n      <p>When a client arrives with a failed ITV or suspects they won't pass, this is our protocol:<\/p><ol><li><strong>OEM Diagnostic<\/strong> + fault code reading + real opacity measurement with approved opacimeter<\/li><li>Identification of the real cause (DPF, EGR, turbo, injectors, oil)<\/li><li><strong>Hydrogen decarbonisation<\/strong> Intensive (2h, 180\u20ac + VAT) - resolves mild and medium cases<\/li><li>If the DPF is heavily saturated: <strong>Thorough DPF cleaning<\/strong> professional (from 280?)<\/li><li>If the intake is carbonized: disassembly + ultrasound (from 580 ? for commercial \/ 980 ? for high-end)<\/li><li>Oil change + filter if diluted<\/li><li>Final verification with approved opacimeter <strong>in our workshop before its ITV inspection<\/strong><\/li><li>Written report with before\/after values<\/li><\/ol><blockquote>We guarantee opacity below the limit, or we repeat the work free of charge. Success rate at Zamule: <strong>95% pass rate on first attempt ITV<\/strong>.<\/blockquote>\n\n      <div class=\"zb-price\">\n        <span class=\"zb-price-tag\">? Estimated price Zamule<\/span>\n        <h3>Zamule Pre-ITV Diesel Pack<\/h3>\n        <div class=\"zb-price-num\">from 180 ?<small>+ VAT decarbonization + opacity meter verification<\/small><\/div>\n        <p style=\"margin:8px 0 0;font-size:14px;color:#cfcfca\">Pre-diagnosis, intensive 2-hour hydrogen decarbonization, opacity verification before and after with an approved opacimeter, and guaranteed ITV pass or we repeat it free of charge. If professional DPF cleaning is required: from an additional 280 EUR.<\/p>\n      <\/div>\n\n      <h2>Prevention &amp; how to avoid this problem again<\/h2>\n      <ul><li><strong>Annual hydrogen engine cleaning<\/strong> (120-180 ? + VAT the best insurance)<\/li><li>Oil change every 15,000 km maximum with DPF spec oil (low-SAPS)<\/li><li>Fuel filter every 30,000-40,000 km<\/li><li>Mixed driving: at least 1 long journey (45+ min) per week<\/li><li>Air filter every 30,000 km<\/li><li>Refuel at high-turnover petrol stations<\/li><li>DPF cleaning every 100,000 km as maintenance<\/li><li>If you mainly drive in the city, come for a pre-ITV check 2-3 weeks before the due date.<\/li><\/ul>\n\n      <div class=\"zb-cta\">\n        <h3>Does your car have <em>these symptoms?<\/em><\/h3>\n        <p>Diagnosis from 49 ? + VAT deductible if you repair with us. 6-month written warranty.<\/p>\n        <div class=\"zb-cta-btns\">\n          <a href=\"https:\/\/wa.me\/34682931164?text=Hola%20Zamule%2C%20mi%20coche%20di\u00e9sel%20no%20pas\u00f3%20la%20ITV%20por%20opacidad\" target=\"_blank\" rel=\"noopener\" class=\"zb-cta-btn\">?? WhatsApp 682 931 164<\/a>\n          <a href=\"tel:+34682931164\" class=\"zb-cta-btn zb-cta-btn--out\">?? Call<\/a>\n        <\/div>\n      <\/div>\n\n      <h2>Conclusion <em>act today, save tomorrow<\/em><\/h2>\n      <p>Passing the ITV with correct opacity is <strong>perfectly possible<\/strong> without having to replace the entire DPF. The key: correct diagnosis + professional work + verification with an opacimeter. At Zamule Cars, we guarantee results or we repeat.<\/p><p><a href=\"\/en\/limpieza-fap-dpf-palma-mallorca\/\">More about DPF cleaning<\/a> \u00b7 <a href=\"\/en\/descarbonizacion-motor-hidrogeno-palma-mallorca\/\">Hydrogen engine decarbonization<\/a>.<\/p>\n\n    <\/div>\n  <\/section>\n\n  <section class=\"zb-rel\">\n    <div class=\"zb-rel-wrap\">\n      <h2>Related services <em>at Zamule Cars<\/em><\/h2>\n      <div class=\"zb-rel-grid\">\n        <a class=\"zb-rel-card\" href=\"\/en\/limpieza-fap-dpf-palma-mallorca\/\"><strong>?? DPF Cleaning<\/strong><span>Specific pass-through machinery, unique in Mallorca, from 280EUR<\/span><\/a><a class=\"zb-rel-card\" href=\"\/en\/descarbonizacion-motor-hidrogeno-palma-mallorca\/\"><strong>?? Engine decarbonization<\/strong><span>Hydrogen + additives pre-ITV pack from 180\u20ac + VAT<\/span><\/a><a class=\"zb-rel-card\" href=\"\/en\/reparacion-adblue-palma-mallorca\/\"><strong>?? AdBlue Repair<\/strong><span>NOx sensor + injector + pump (affects ITV in Euro 6)<\/span><\/a><a class=\"zb-rel-card\" href=\"\/en\/diagnostico-avanzado-palma-mallorca\/\"><strong>?? Advanced Diagnosis<\/strong><span>Approved opacimeter + multi-brand OEM diagnostics<\/span><\/a>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <div class=\"zb-foot\">\n    <p>Zamule Cars C\/ Gremi Fusters 11 07009 Palma de Mallorca <a href=\"tel:+34682931164\">+34 682 931 164<\/a> \u00b7 <a href=\"mailto:talleres@zamule.com\">talleres@zamule.com<\/a><\/p>\n  <\/div>\n\n<\/div>\n\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\":\"https:\/\/schema.org\",\n  \"@type\":\"BlogPosting\",\n  \"headline\":\"ITV di\u00e9sel Euro 5 Euro 6 opacidad alta no apta: causas reales y soluci\u00f3n profesional Zamule Cars Palma\",\n  \"image\":\"https:\/\/www.zamulecars.com\/wp-content\/uploads\/2026\/06\/06-itv-opacimetro-scaled.jpg\",\n  \"datePublished\":\"2026-05-22T10:00:00+02:00\",\n  \"dateModified\":\"2026-05-22T10:00:00+02:00\",\n  \"author\":{\"@type\":\"Organization\",\"name\":\"Zamule Cars\",\"url\":\"https:\/\/www.zamulecars.com\/\"},\n  \"publisher\":{\"@type\":\"Organization\",\"name\":\"Zamule Cars\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\/\/www.zamulecars.com\/wp-content\/uploads\/2026\/10\/zamule-logo-2026-horizontal-blanco.png\"}},\n  \"mainEntityOfPage\":{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.zamulecars.com\/blog\/itv-diesel-euro-5-6-opacidad-alta-no-apta-mallorca\/\"},\n  \"articleSection\":\"MEC\u00c1NICA R\u00c1PIDA \u00b7 ITV \u00b7 DI\u00c9SEL\",\n  \"keywords\":\"ITV di\u00e9sel opacidad alta no apta, Euro 5 6 opac\u00edmetro, taller ITV Palma Mallorca\",\n  \"inLanguage\":\"es-ES\"\n}\n<\/script>","protected":false},"excerpt":{"rendered":"<p>Inicio \u00b7 Blog \u00b7 ITV di\u00e9sel \u00b7 Opacidad alta MEC\u00c1NICA R\u00c1PIDA \u00b7 ITV \u00b7 DI\u00c9SEL ITV di\u00e9sel no apta por opacidad: c\u00f3mo aprobarla en Zamule \ud83d\udcc5 22 May 2026 \ud83d\udcdd Equipo t\u00e9cnico Zamule \u23f1 5 min lectura \ud83d\udccd Palma de Mallorca \u00bfHas pasado la ITV con tu coche di\u00e9sel y te ha salido \"no apta\" [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":5782,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"ITV di\u00e9sel opacidad alta no apta","_yoast_wpseo_title":"ITV di\u00e9sel Euro 5\/6 con opacidad alta | Zamule Cars","_yoast_wpseo_metadesc":"\u00bfHas pasado la ITV con tu coche di\u00e9sel y te ha salido \"no apta\" por opacidad alta? 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