{"id":4342,"date":"2026-06-20T09:04:43","date_gmt":"2026-06-20T09:04:43","guid":{"rendered":"https:\/\/garage-rr.ch\/?p=4342"},"modified":"2026-10-25T15:12:36","modified_gmt":"2026-10-25T13:12:36","slug":"perte-de-puissance-moteur-les-causes-possibles","status":"publish","type":"post","link":"https:\/\/garage-rr.ch\/en\/perte-de-puissance-moteur-les-causes-possibles\/","title":{"rendered":"Engine power loss: the possible causes"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"4342\" class=\"elementor elementor-4342\">\n\t\t\t\t<div class=\"has_ae_slider elementor-element elementor-element-fc2a8f8 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no ae-bg-gallery-type-default e-con e-parent\" data-id=\"fc2a8f8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"has_ae_slider elementor-element elementor-element-b8a8053 e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no ae-bg-gallery-type-default e-con e-child\" data-id=\"b8a8053\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1f64ec6 elementor-widget elementor-widget-text-editor\" data-id=\"1f64ec6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Engine power loss in Ecublens is a signal you should never ignore \u2014 your vehicle accelerates less well, struggles uphill or seems \u201crestricted\u201d for no apparent reason. Several mechanical or electronic causes can be behind it. Garage RR, your specialist in <a href=\"https:\/\/garage-rr.ch\/en\/nos-services\/turbo-moteur-et-boite\/\">engine diagnosis and repair in Ecublens<\/a>, explains the most common causes of power loss in the western Lausanne area.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"has_ae_slider elementor-element elementor-element-4853910 e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no ae-bg-gallery-type-default e-con e-child\" data-id=\"4853910\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"has_ae_slider elementor-element elementor-element-ea7ca3c e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no ae-bg-gallery-type-default e-con e-child\" data-id=\"ea7ca3c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9ca4237 elementor-widget elementor-widget-carex-image\" data-id=\"9ca4237\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"carex-image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\n\t\t\t\t\n\n\t\t\t<div class=\"sec-img img-grayscale\">\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t <img decoding=\"async\" src=\"https:\/\/garage-rr.ch\/wp-content\/uploads\/2026\/06\/garage-25.webp\" class=\"img-fluid\" alt=\"\"> \n\t\t\t\t\t\n\t\t\t<\/div>\t\t\t\t\t\n\n\t    \t\t\t\n\t\t\n\t\t\t\n        \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"has_ae_slider elementor-element elementor-element-0a17179 e-con-full e-flex wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no ae-bg-gallery-type-default e-con e-child\" data-id=\"0a17179\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-584c3d9 elementor-widget elementor-widget-carex-image\" data-id=\"584c3d9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"carex-image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\n\t\t\t\t\n\n\t\t\t<div class=\"sec-img img-grayscale\">\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t <img decoding=\"async\" src=\"https:\/\/garage-rr.ch\/wp-content\/uploads\/2026\/05\/2026.03.04_GarageRR_ChampsCourbes5_YannClu-10-scaled.jpg\" class=\"img-fluid\" alt=\"\"> \n\t\t\t\t\t\n\t\t\t<\/div>\t\t\t\t\t\n\n\t    \t\t\t\n\t\t\n\t\t\t\n        \t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"has_ae_slider elementor-element elementor-element-e73631f e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no ae-bg-gallery-type-default e-con e-child\" data-id=\"e73631f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a2bd71e elementor-widget elementor-widget-heading\" data-id=\"a2bd71e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">A turbo problem \u2014 a frequent cause of power loss<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-57273d6 elementor-widget elementor-widget-text-editor\" data-id=\"57273d6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>On turbocharged engines, a turbo failure is one of the most common causes of power loss. Typical symptoms:<\/p><ul><li>High-pitched whistling when accelerating<\/li><li>Blue or black exhaust smoke<\/li><li>Sluggish acceleration, especially uphill<\/li><\/ul><p>A failing turbo needs to be repaired quickly \u2014 the later the repair, the more the engine damage can worsen.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"has_ae_slider elementor-element elementor-element-af3fc21 e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no ae-bg-gallery-type-default e-con e-child\" data-id=\"af3fc21\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cfed305 elementor-widget elementor-widget-heading\" data-id=\"cfed305\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Clogged air filter or fuel filter<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9ac386c elementor-widget elementor-widget-text-editor\" data-id=\"9ac386c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A clogged filter stops the engine from breathing or being fuelled properly, causing a noticeable loss of power:<\/p><ul><li>Clogged air filter \u2014 reduces the oxygen supply needed for combustion\u00a0<\/li><li>Blocked fuel filter \u2014 restricts the engine\u2019s fuel supply<\/li><\/ul><p>Replacing these filters regularly as part of <a href=\"https:\/\/garage-rr.ch\/en\/nos-services\/entretien-et-expertise\/\">your vehicle\u2019s servicing<\/a> prevents this type of problem simply and cheaply.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"has_ae_slider elementor-element elementor-element-3e55b6f e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no ae-bg-gallery-type-default e-con e-child\" data-id=\"3e55b6f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e72a19b elementor-widget elementor-widget-heading\" data-id=\"e72a19b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">An electronic fault behind the power loss<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8c89e01 elementor-widget elementor-widget-text-editor\" data-id=\"8c89e01\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Modern vehicles contain many electronic sensors and control units. A malfunction in one of these components can trigger a \u201climp mode\u201d that deliberately limits engine power to protect it:<\/p><ul><li>Faulty pressure or air flow sensor<\/li><li>Failing lambda sensor<\/li><li>Engine warning light on the dashboard<\/li><\/ul><p>Only an accurate electronic diagnosis can identify the part concerned and avoid an unnecessary replacement.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"has_ae_slider elementor-element elementor-element-ced5aff e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no ae-bg-gallery-type-default e-con e-child\" data-id=\"ced5aff\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-586a96c elementor-widget elementor-widget-heading\" data-id=\"586a96c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"> Wear or a problem with the gearbox<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f4858f6 elementor-widget elementor-widget-text-editor\" data-id=\"f4858f6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A <a href=\"https:\/\/garage-rr.ch\/en\/nos-services\/turbo-moteur-et-boite\/\">gearbox<\/a> that slips, struggles to change gear or no longer transmits the engine\u2019s power to the wheels properly can feel like a general loss of power. This applies to both manual and automatic gearboxes.<\/p><p>If you feel jerking or a loss of efficiency when changing gear, have your <a href=\"https:\/\/garage-rr.ch\/en\/nos-services\/turbo-moteur-et-boite\/\">gearbox<\/a> checked quickly.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"has_ae_slider elementor-element elementor-element-85990ad e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no ae-bg-gallery-type-default e-con e-child\" data-id=\"85990ad\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dbbe7eb elementor-widget elementor-widget-heading\" data-id=\"dbbe7eb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Blocked exhaust system or catalytic converter<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a002107 elementor-widget elementor-widget-text-editor\" data-id=\"a002107\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A blocked exhaust system, particularly a clogged catalytic converter or particulate filter, stops exhaust gases from escaping properly and literally chokes the engine. This is common on diesel vehicles used mainly for short trips in town \u2014 typical of journeys between Ecublens, Renens and Lausanne.<\/p><p>Cleaning or replacing the component concerned usually restores the vehicle\u2019s full power.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"has_ae_slider elementor-element elementor-element-dd7418f e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no ae-bg-gallery-type-default e-con e-child\" data-id=\"dd7418f\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2c90e18 elementor-widget elementor-widget-heading\" data-id=\"2c90e18\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Power loss diagnosis and repair at Garage RR Ecublens<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5c6bf01 elementor-widget elementor-widget-text-editor\" data-id=\"5c6bf01\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>At Garage RR, your engine diagnosis and repair garage in Ecublens, our technicians use professional diagnostic tools to pinpoint the cause of a power loss \u2014 turbo, filters, sensors, gearbox or exhaust.<\/p><p>We work on all makes for drivers from Ecublens, Lausanne, Renens, Crissier, Saint-Sulpice and the whole western Lausanne area. Transparent quote before any work begins.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Engine power loss in Ecublens is a signal you should never ignore \u2014 your vehicle accelerates less well, struggles uphill or seems \u201crestricted\u201d for no apparent reason. Several mechanical or electronic causes can be behind it. Garage RR, your engine diagnosis and repair specialist in Ecublens, explains the most common causes of<\/p>","protected":false},"author":1,"featured_media":3643,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[50],"tags":[65,62,60],"class_list":["post-4342","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-reparations-diagnostics","tag-electronique-programmation","tag-entretien-moteur","tag-moteur-diagnostic"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Perte de Puissance Moteur Ecublens | Causes &amp; R\u00e9paration RR<\/title>\n<meta name=\"description\" content=\"Perte de puissance moteur : quelles sont les causes possibles ? 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