{"id":58139,"date":"2019-10-16T06:32:41","date_gmt":"2019-10-16T13:32:41","guid":{"rendered":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/?p=58139"},"modified":"2019-10-16T06:33:55","modified_gmt":"2019-10-16T13:33:55","slug":"lean-condition-1986-chevy-camaro-2-8-mpfi","status":"publish","type":"post","link":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2019\/10\/lean-condition-1986-chevy-camaro-2-8-mpfi","title":{"rendered":"Lean Condition 1986 Chevy Camaro 2.8 MPFI"},"content":{"rendered":"<p><img decoding=\"async\" class=\"alignnone size-full wp-image-34354\" src=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/02\/1986-chevy-camaro.jpg\" alt=\"1986-chevy-camaro\" width=\"589\" height=\"226\" srcset=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/02\/1986-chevy-camaro.jpg 589w, https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/02\/1986-chevy-camaro-300x115.jpg 300w\" sizes=\"(max-width: 589px) 100vw, 589px\" \/><\/p>\n<p>Need help diagnosing lean condition, poor acceleration. Have had two shops try to fix with no luck. Did some parts shot gunning myself but still no change.<\/p>\n<hr \/>\n<p><!-- In-Article --><ins class=\"adsbygoogle\" style=\"display: block; text-align: center;\" data-ad-layout=\"in-article\" data-ad-format=\"fluid\" data-ad-client=\"ca-pub-5950293074584657\" data-ad-slot=\"3814845838\"><\/ins> <script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><\/p>\n<hr \/>\n<p>In 1986 almost all manufacturers decided to go with excessive vacuum controls on the engine. The most common cause of a lean condition is related to a vacuum leak. With this engine having so many vacuum lines I would start there first and then consider the intake gasket may also be leaking due to age. Lastly check the fuel injectors. There is a <a href=\"https:\/\/www.freeautomechanic.com\/technical-service-bulletins-and-recalls.html\">technical service bulletin<\/a> out that concerns the fuel injectors becoming clogged and causing a lean condition and a lack of power.<\/p>\n<h3>TSB# 03-06-04-030F<\/h3>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-58257\" src=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2019\/10\/1986-chevy-camaro-tsb-03-06-04-030F.png\" alt=\"1986-chevy-camaro-tsb-03-06-04-030F\" width=\"908\" height=\"651\" srcset=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2019\/10\/1986-chevy-camaro-tsb-03-06-04-030F.png 908w, https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2019\/10\/1986-chevy-camaro-tsb-03-06-04-030F-300x215.png 300w, https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2019\/10\/1986-chevy-camaro-tsb-03-06-04-030F-768x551.png 768w\" sizes=\"(max-width: 908px) 100vw, 908px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Need help diagnosing lean condition, poor acceleration. Have had two shops try to fix with no luck. Did some parts shot gunning myself but still no change. In 1986 almost all manufacturers decided to go with excessive vacuum controls on the engine. The most common cause of a lean condition is related to a vacuum&hellip;&nbsp;<a href=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2019\/10\/lean-condition-1986-chevy-camaro-2-8-mpfi\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">Lean Condition 1986 Chevy Camaro 2.8 MPFI<\/span><\/a><\/p>\n","protected":false},"author":15432,"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":[1,3],"tags":[7465,23762],"class_list":["post-58139","post","type-post","status-publish","format-standard","hentry","category-auto-repair-questions","category-chevy","tag-camaro","tag-lean-condition"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.0 (Yoast SEO v27.1.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Lean Condition 1986 Chevy Camaro 2.8 MPFI - 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\/2019\/10\/lean-condition-1986-chevy-camaro-2-8-mpfi\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lean Condition 1986 Chevy Camaro 2.8 MPFI\" \/>\n<meta property=\"og:description\" content=\"Need help diagnosing lean condition, poor acceleration. Have had two shops try to fix with no luck. Did some parts shot gunning myself but still no change. In 1986 almost all manufacturers decided to go with excessive vacuum controls on the engine. The most common cause of a lean condition is related to a vacuum&hellip;&nbsp;Read More &raquo;Lean Condition 1986 Chevy Camaro 2.8 MPFI\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2019\/10\/lean-condition-1986-chevy-camaro-2-8-mpfi\" \/>\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=\"2019-10-16T13:32:41+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-10-16T13:33:55+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/02\/1986-chevy-camaro.jpg\" \/>\n<meta name=\"author\" content=\"Daniel Fahrendorff\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Daniel Fahrendorff\" \/>\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":"Lean Condition 1986 Chevy Camaro 2.8 MPFI - 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\/2019\/10\/lean-condition-1986-chevy-camaro-2-8-mpfi","og_locale":"en_US","og_type":"article","og_title":"Lean Condition 1986 Chevy Camaro 2.8 MPFI","og_description":"Need help diagnosing lean condition, poor acceleration. Have had two shops try to fix with no luck. Did some parts shot gunning myself but still no change. In 1986 almost all manufacturers decided to go with excessive vacuum controls on the engine. 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