{"id":32058,"date":"2016-06-27T14:16:57","date_gmt":"2016-06-27T19:16:57","guid":{"rendered":"http:\/\/www.freeautomechanic.com\/mechanic\/forum\/?p=32058"},"modified":"2016-06-27T14:16:57","modified_gmt":"2016-06-27T19:16:57","slug":"2004-hyundai-xg-350-l","status":"publish","type":"post","link":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2016\/06\/2004-hyundai-xg-350-l","title":{"rendered":"2004 Hyundai xg 350 l"},"content":{"rendered":"

\"2004What is the location of EGR valve and location of down stream o2 sensors.<\/p>\n

\n

RESPONSE<\/p>\n

The EGR valve is located on top of the engine. The downstream O2 Sensors<\/a> are located after the catalytic converter.<\/p>\n

EXHAUST GAS RECIRCULATION (EGR) SYSTEM DESCRIPTION<\/h2>\n
The Exhaust Gas Recirculation (EGR<\/span>) system lowers the nitrogen oxide (NOx) emission level. When the air\/fuel mixture combustion temperature is high, a large quantity of nitrogen oxides (NOx) is generated in the combustion chamber. Therefore, this system recirculates part of emission gas from the exhaust port of the cylinder head to the combustion chamber through the intake manifold to decrease the air\/fuel mixture combustion temperature, resulting in reduction of NOx.<\/span><\/div>\n
The EGR<\/span> flow rate is controlled by the EGR<\/span> valve so as not to dffect the driveability.<\/span><\/div>\n
OPERATION<\/div>\n
When the engine coolant temperature is low, the engine is at idle or when a wide open throttle operation is performed, the EGR<\/span> valve is kept closed, allowing no EGR<\/span>.<\/span><\/div>\n
In normal vehicle operation, after the engine has warmed up, the EGR<\/span> valve is opened to carry out EGR<\/span>.<\/span><\/div>\n
In addition, the engine control module monitors the EGR<\/span> system and illuminates the check engine\/malfunction indicator lamp to let the driver know that there is a malfunction.<\/span><\/div>\n
\"EGR<\/div>\n","protected":false},"excerpt":{"rendered":"

What is the location of EGR valve and location of down stream o2 sensors. RESPONSE The EGR valve is located on top of the engine. The downstream O2 Sensors are located after the catalytic converter. EXHAUST GAS RECIRCULATION (EGR) SYSTEM DESCRIPTION The Exhaust Gas Recirculation (EGR) system lowers the nitrogen oxide (NOx) emission level. When… Read More »2004 Hyundai xg 350 l<\/span><\/a><\/p>\n","protected":false},"author":12860,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[1,112],"tags":[10653],"class_list":["post-32058","post","type-post","status-publish","format-standard","hentry","category-auto-repair-questions","category-hyundai","tag-xg-350"],"yoast_head":"\n2004 Hyundai xg 350 l - FreeAutoMechanic Advice<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2016\/06\/2004-hyundai-xg-350-l\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"2004 Hyundai xg 350 l\" \/>\n<meta property=\"og:description\" content=\"What is the location of EGR valve and location of down stream o2 sensors. RESPONSE The EGR valve is located on top of the engine. The downstream O2 Sensors are located after the catalytic converter. EXHAUST GAS RECIRCULATION (EGR) SYSTEM DESCRIPTION The Exhaust Gas Recirculation (EGR) system lowers the nitrogen oxide (NOx) emission level. When… Read More »2004 Hyundai xg 350 l\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2016\/06\/2004-hyundai-xg-350-l\" \/>\n<meta property=\"og:site_name\" content=\"FreeAutoMechanic Advice\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/freeautomechanic\" \/>\n<meta property=\"article:published_time\" content=\"2016-06-27T19:16:57+00:00\" \/>\n<meta property=\"og:image\" content=\"\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/02\/2004-hyundai-xg350.jpg\" \/>\n<meta name=\"author\" content=\"Floyd East\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Floyd East\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"2004 Hyundai xg 350 l - FreeAutoMechanic Advice","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2016\/06\/2004-hyundai-xg-350-l","og_locale":"en_US","og_type":"article","og_title":"2004 Hyundai xg 350 l","og_description":"What is the location of EGR valve and location of down stream o2 sensors. RESPONSE The EGR valve is located on top of the engine. The downstream O2 Sensors are located after the catalytic converter. EXHAUST GAS RECIRCULATION (EGR) SYSTEM DESCRIPTION The Exhaust Gas Recirculation (EGR) system lowers the nitrogen oxide (NOx) emission level. 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