{"id":38235,"date":"2017-01-20T09:59:01","date_gmt":"2017-01-20T14:59:01","guid":{"rendered":"http:\/\/www.freeautomechanic.com\/mechanic\/forum\/?p=38235"},"modified":"2017-01-20T09:59:01","modified_gmt":"2017-01-20T14:59:01","slug":"code-p0302-2004-ford-focus","status":"publish","type":"post","link":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2017\/01\/code-p0302-2004-ford-focus","title":{"rendered":"Code P0302 2004 Ford Focus"},"content":{"rendered":"<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-38337\" src=\"\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2017\/01\/2004-ford-focus-ztw.jpg\" alt=\"2004 Ford Focus\" width=\"600\" height=\"386\" srcset=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2017\/01\/2004-ford-focus-ztw.jpg 600w, https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2017\/01\/2004-ford-focus-ztw-300x193.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>I have a 2004 Ford Focus ZTW 2.3l with Engine Code P0302. The engine is missing on cylinder #2. This happens once the car is well warmed up. I tried replacing the spark plugs and that specific coil to no avail.<\/p>\n<hr \/>\n<p>RESPONSE<\/p>\n<h3>Ford Code P0302 &#8211; Cylinder 2 Misfire Detected<\/h3>\n<p>When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the <a href=\"\/\/www.freeautomechanic.com\/ckp-crank-position-sensor.html\">Crankshaft Position (CKP) sensor <\/a>signal to vary, the <a href=\"\/\/www.freeautomechanic.com\/pcm-engine-computer.html\">Engine Control Module (ECM)<\/a> can determine that a misfire is occurring.<\/p>\n<p>The P0302 code means that the cylinder 2 is misfiring or is randomly misfiring. Start by checking for intake leaks an if no leaks are found the next step is to replace the spark plugs on cylinder 2. If the problem persist more tests needs to be done to diagnose problem, continue with Possible Cause.<\/p>\n<h4>Code P0302 Possible causes<\/h4>\n<ul>\n<li>Faulty spark plug 2<\/li>\n<li>Clogged or faulty fuel injector 2<\/li>\n<li>Faulty ignition coil 2<\/li>\n<li>Fuel injector 2 harness is open or shorted<\/li>\n<li>Fuel injector 2 circuit poor electrical connection<\/li>\n<li>Ignition coil 2 harness is open or shorted<\/li>\n<li>Ignition coil 2 circuit poor electrical connection<\/li>\n<li>Insufficient cylinder 2 compression<\/li>\n<li>Incorrect fuel pressure<\/li>\n<li>Intake air leak<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>I have a 2004 Ford Focus ZTW 2.3l with Engine Code P0302. The engine is missing on cylinder #2. This happens once the car is well warmed up. I tried replacing the spark plugs and that specific coil to no avail. RESPONSE Ford Code P0302 &#8211; Cylinder 2 Misfire Detected When a misfire occurs, engine&hellip;&nbsp;<a href=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2017\/01\/code-p0302-2004-ford-focus\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">Code P0302 2004 Ford Focus<\/span><\/a><\/p>\n","protected":false},"author":14276,"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":[1,5],"tags":[10866,410,10445],"class_list":["post-38235","post","type-post","status-publish","format-standard","hentry","category-auto-repair-questions","category-ford","tag-code-p0302","tag-focus","tag-p0302"],"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>Code P0302 2004 Ford Focus - FreeAutoMechanic Advice<\/title>\n<meta name=\"description\" content=\"I have a 2004 Ford Focus ZTW 2.3l with Engine Code P0302. 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