{"id":54600,"date":"2018-02-02T13:53:08","date_gmt":"2018-02-02T18:53:08","guid":{"rendered":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/?p=54600"},"modified":"2024-02-11T11:29:31","modified_gmt":"2024-02-11T19:29:31","slug":"engine-runs-at-4000-rpm-1996-gmc-suburban-4x4","status":"publish","type":"post","link":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2018\/02\/engine-runs-at-4000-rpm-1996-gmc-suburban-4x4","title":{"rendered":"Engine runs at 4,000 rpm 1996 GMC Suburban 4&#215;4"},"content":{"rendered":"<p><img decoding=\"async\" class=\"alignnone size-full wp-image-32973\" src=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/01\/1997-chevy-suburban.jpg\" alt=\"Chevy Suburban\" width=\"600\" height=\"267\" srcset=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/01\/1997-chevy-suburban.jpg 600w, https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/01\/1997-chevy-suburban-300x134.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>My Suburban wasn&#8217;t starting so I changed the Distributor and Rotor.\u00a0 It started but it runs at 4,000 RPM&#8217;s. I put a code scanner on it and got a P0102 code so I used <a href=\"https:\/\/www.freeautomechanic.com\/maf-mass-air-flow-sensor.html\">Mass Air Flow <\/a>Cleaner on it and tried again. Same thing, 4,000 RPM&#8217;s but no codes this time. Can you give me an answer because I&#8217;m stumped! I looked at the throttle spring and it seems to snap back OK, please help. It is a 1996 GMC Suburban 4&#215;4 4 door Automatic with a 5.7 liter engine.<\/p>\n<hr \/>\n<p>The engine running with a high idle is a classic description of a vacuum leak.<\/p>\n<h3>Chevy Code P0102<\/h3>\n<p>Mass Or Volume Air Flow A Circuit Low Input<\/p>\n<h4>Probable causes<\/h4>\n<ol>\n<li>Sensor or solenoid faulty<\/li>\n<li>Connector terminal contact is damaged or corroded<\/li>\n<li>Wire harness &#8211; Check harness for correct voltage, open, short to ground or short to voltage<\/li>\n<li>Update control unit software &#8211; Check for the latest control unit update<\/li>\n<li>Powertrain or Engine Control Module faulty<\/li>\n<li>Battery voltage low<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>My Suburban wasn&#8217;t starting so I changed the Distributor and Rotor.\u00a0 It started but it runs at 4,000 RPM&#8217;s. I put a code scanner on it and got a P0102 code so I used Mass Air Flow Cleaner on it and tried again. Same thing, 4,000 RPM&#8217;s but no codes this time. Can you give&hellip;&nbsp;<a href=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2018\/02\/engine-runs-at-4000-rpm-1996-gmc-suburban-4x4\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">Engine runs at 4,000 rpm 1996 GMC Suburban 4&#215;4<\/span><\/a><\/p>\n","protected":false},"author":14821,"featured_media":0,"comment_status":"open","ping_status":"open","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":[1,22],"tags":[21194,322,21193,526],"class_list":["post-54600","post","type-post","status-publish","format-standard","hentry","category-auto-repair-questions","category-gmc","tag-000-rpm","tag-high-idle","tag-runs-at-4","tag-suburban"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.0 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Engine runs at 4,000 rpm 1996 GMC Suburban 4x4 - 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\/2018\/02\/engine-runs-at-4000-rpm-1996-gmc-suburban-4x4\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Engine runs at 4,000 rpm 1996 GMC Suburban 4x4\" \/>\n<meta property=\"og:description\" content=\"My Suburban wasn&#8217;t starting so I changed the Distributor and Rotor.\u00a0 It started but it runs at 4,000 RPM&#8217;s. I put a code scanner on it and got a P0102 code so I used Mass Air Flow Cleaner on it and tried again. Same thing, 4,000 RPM&#8217;s but no codes this time. Can you give&hellip;&nbsp;Read More &raquo;Engine runs at 4,000 rpm 1996 GMC Suburban 4&#215;4\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2018\/02\/engine-runs-at-4000-rpm-1996-gmc-suburban-4x4\" \/>\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=\"2018-02-02T18:53:08+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-02-11T19:29:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/01\/1997-chevy-suburban.jpg\" \/>\n<meta name=\"author\" content=\"Jack Coble\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jack Coble\" \/>\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":"Engine runs at 4,000 rpm 1996 GMC Suburban 4x4 - 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\/2018\/02\/engine-runs-at-4000-rpm-1996-gmc-suburban-4x4","og_locale":"en_US","og_type":"article","og_title":"Engine runs at 4,000 rpm 1996 GMC Suburban 4x4","og_description":"My Suburban wasn&#8217;t starting so I changed the Distributor and Rotor.\u00a0 It started but it runs at 4,000 RPM&#8217;s. I put a code scanner on it and got a P0102 code so I used Mass Air Flow Cleaner on it and tried again. Same thing, 4,000 RPM&#8217;s but no codes this time. Can you give&hellip;&nbsp;Read More &raquo;Engine runs at 4,000 rpm 1996 GMC Suburban 4&#215;4","og_url":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2018\/02\/engine-runs-at-4000-rpm-1996-gmc-suburban-4x4","og_site_name":"FreeAutoMechanic Advice","article_publisher":"https:\/\/www.facebook.com\/freeautomechanic","article_published_time":"2018-02-02T18:53:08+00:00","article_modified_time":"2024-02-11T19:29:31+00:00","og_image":[{"url":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/01\/1997-chevy-suburban.jpg","type":"","width":"","height":""}],"author":"Jack Coble","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Jack Coble","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2018\/02\/engine-runs-at-4000-rpm-1996-gmc-suburban-4x4#article","isPartOf":{"@id":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2018\/02\/engine-runs-at-4000-rpm-1996-gmc-suburban-4x4"},"author":{"name":"Jack Coble","@id":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/#\/schema\/person\/67b574a56c9a720e2cdc9348a51288ff"},"headline":"Engine runs at 4,000 rpm 1996 GMC Suburban 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