{"id":10382,"date":"2026-02-26T22:52:16","date_gmt":"2026-02-26T14:52:16","guid":{"rendered":"https:\/\/tommykwan.com\/blog\/?p=10382"},"modified":"2026-02-26T22:52:16","modified_gmt":"2026-02-26T14:52:16","slug":"%e4%b8%80%e6%96%87%e6%90%9e%e6%b8%85-backfiring-afterfiring-over-lean-over-rich-pre-ignition-detonation","status":"publish","type":"post","link":"https:\/\/tommykwan.com\/blog\/aviation\/%e4%b8%80%e6%96%87%e6%90%9e%e6%b8%85-backfiring-afterfiring-over-lean-over-rich-pre-ignition-detonation\/","title":{"rendered":"\u4e00\u6587\u641e\u6e05: Backfiring , Afterfiring, Over-lean, Over-rich, Pre-ignition, Detonation"},"content":{"rendered":"<p>Backfiring<\/p>\n<ul>\n<li>fuel-air mixture is ignited in intake manifold<\/li>\n<li>indicate over-lean mixture<\/li>\n<\/ul>\n<p>Afterfiring<\/p>\n<ul>\n<li>fuel-air mixture is ignited in exhaust system<\/li>\n<li>lot of black smoke and bright orange flame induced at the exhaust pipe<\/li>\n<li>indicate over-rich mixture, or no-ignition<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Over-lean<\/p>\n<ul>\n<li>incorrect mixture &#8211; air is far more than fuel<\/li>\n<li>can induce backfiring and detonation<\/li>\n<\/ul>\n<p>Over-rich<\/p>\n<ul>\n<li>incorrect mixture &#8211; fuel is far more than fuel<\/li>\n<li>can induce afterfiring<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Pre-ignition<\/p>\n<ul>\n<li>fuel-air mixture ignited before preset time<\/li>\n<li>can induced because of spark plug fouling<\/li>\n<li>can lead to detonation<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Detonation<\/p>\n<ul>\n<li>uncontrolled explosive ignition of fuel-air mixture<\/li>\n<li>can lead to engine failure<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Backfiring fuel-air mixture is ignited in intake manifold indicate over-lean mixture Afterfiring fuel-air mixture is ignited in exhaust system lot of black smoke and bright orange flame induced at the exhaust pipe indicate over-rich mixture, or no-ignition &nbsp; Over-lean incorrect mixture &#8211; air is far more than fuel can induce backfiring and detonation Over-rich incorrect<a class=\"read-more \" href=\"https:\/\/tommykwan.com\/blog\/aviation\/%e4%b8%80%e6%96%87%e6%90%9e%e6%b8%85-backfiring-afterfiring-over-lean-over-rich-pre-ignition-detonation\/\" title=\"Read More\"> <span class=\"button default\">Read More<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[64],"tags":[],"class_list":["post-10382","post","type-post","status-publish","format-standard","hentry","category-aviation"],"_links":{"self":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/10382","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/comments?post=10382"}],"version-history":[{"count":1,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/10382\/revisions"}],"predecessor-version":[{"id":10383,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/posts\/10382\/revisions\/10383"}],"wp:attachment":[{"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/media?parent=10382"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/categories?post=10382"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tommykwan.com\/blog\/wp-json\/wp\/v2\/tags?post=10382"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}