{"id":53352,"date":"2017-10-18T08:20:38","date_gmt":"2017-10-18T13:20:38","guid":{"rendered":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/?p=53352"},"modified":"2017-10-18T08:20:38","modified_gmt":"2017-10-18T13:20:38","slug":"throttle-position-sensor-2003-ford-ranger","status":"publish","type":"post","link":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2017\/10\/throttle-position-sensor-2003-ford-ranger","title":{"rendered":"Throttle Position Sensor 2003 Ford Ranger 3.0 v6"},"content":{"rendered":"<p><img decoding=\"async\" class=\"alignnone size-full wp-image-36199\" src=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/08\/2002-ford-ranger.jpg\" alt=\"Ford Ranger\" width=\"600\" height=\"388\" srcset=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/08\/2002-ford-ranger.jpg 600w, https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/08\/2002-ford-ranger-300x194.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>Diagnosed a bad <a href=\"https:\/\/www.freeautomechanic.com\/tps-throttle-position-sensor.html\">throttle position sensor<\/a>. Installed a new one. Ran great for about a minute. Went back to running rough. Installed another new tps. Again it ran good for about a minute. Then it ran rough again. With the voltmeter I confirmed I had good 12 volt power going in. On the third wire I confirmed a good ground loop. But on the signal wire it should read 0.9 volts on closed throttle and 5.0 volts on wide open throttle. It gave 0.3 volts closed throttle to wide open throttle. Could my signal wire be grounded somewhere? Or could my computer be fried?<\/p>\n<hr \/>\n<h3>Throttle Position Sensor<\/h3>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-53628\" src=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2017\/09\/2003-ford-ranger-tps-connector-diagram.jpg\" alt=\"tps connector diagram 2003 Ford Ranger\" width=\"289\" height=\"272\" srcset=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2017\/09\/2003-ford-ranger-tps-connector-diagram.jpg 289w, https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2017\/09\/2003-ford-ranger-tps-connector-diagram-24x24.jpg 24w\" sizes=\"(max-width: 289px) 100vw, 289px\" \/><\/p>\n<h4>Testing for short or open in wiring harness<\/h4>\n<h5><strong>Check TP Circuit for open in harness<\/strong><\/h5>\n<ul>\n<li>Turn ignition switch to off position. Leave TP sensor disconnected. Disconnect PCM connector(s). Inspect connector for loose, damaged or corroded terminals, and repair as needed.<\/li>\n<li>Using a digital multi-meter, measure resistance of TP circuit between PCM harness connector and TP sensor connector.<\/li>\n<li>If resistance is less than 5 ohms go to next step below. If resistance is 5 ohms or more, repair open in TP circuit.<\/li>\n<\/ul>\n<h5><strong>Check TP Circuit for short to SIG RTN or PWR GND in harness<\/strong><\/h5>\n<ul>\n<li>Ensure PCM is disconnected. Disconnect scan tool from Data Link Connector.<\/li>\n<li>Using a Digital multi-meter, measure resistance between TP circuit, and SIG RTN and PWR GND circuits at PCM harness connector. If either resistance measurement is 10k\/ohms or less, repair short between circuits.<\/li>\n<li>If both resistance measurements are more than 10k\/ohms, replace the PCM.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Diagnosed a bad throttle position sensor. Installed a new one. Ran great for about a minute. Went back to running rough. Installed another new tps. Again it ran good for about a minute. Then it ran rough again. With the voltmeter I confirmed I had good 12 volt power going in. On the third wire&hellip;&nbsp;<a href=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2017\/10\/throttle-position-sensor-2003-ford-ranger\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">Throttle Position Sensor 2003 Ford Ranger 3.0 v6<\/span><\/a><\/p>\n","protected":false},"author":14723,"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":[434,20174,20175],"class_list":["post-53352","post","type-post","status-publish","format-standard","hentry","category-auto-repair-questions","category-ford","tag-ranger","tag-testing-for-short-or-open-in-wiring-harness","tag-throttle-position-sensor"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.0 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Throttle Position Sensor 2003 Ford Ranger 3.0 v6 - 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\/2017\/10\/throttle-position-sensor-2003-ford-ranger\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Throttle Position Sensor 2003 Ford Ranger 3.0 v6\" \/>\n<meta property=\"og:description\" content=\"Diagnosed a bad throttle position sensor. Installed a new one. Ran great for about a minute. Went back to running rough. Installed another new tps. Again it ran good for about a minute. Then it ran rough again. With the voltmeter I confirmed I had good 12 volt power going in. On the third wire&hellip;&nbsp;Read More &raquo;Throttle Position Sensor 2003 Ford Ranger 3.0 v6\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2017\/10\/throttle-position-sensor-2003-ford-ranger\" \/>\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=\"2017-10-18T13:20:38+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/08\/2002-ford-ranger.jpg\" \/>\n<meta name=\"author\" content=\"jarred\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"jarred\" \/>\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":"Throttle Position Sensor 2003 Ford Ranger 3.0 v6 - 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\/2017\/10\/throttle-position-sensor-2003-ford-ranger","og_locale":"en_US","og_type":"article","og_title":"Throttle Position Sensor 2003 Ford Ranger 3.0 v6","og_description":"Diagnosed a bad throttle position sensor. Installed a new one. Ran great for about a minute. Went back to running rough. Installed another new tps. Again it ran good for about a minute. Then it ran rough again. With the voltmeter I confirmed I had good 12 volt power going in. On the third wire&hellip;&nbsp;Read More &raquo;Throttle Position Sensor 2003 Ford Ranger 3.0 v6","og_url":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2017\/10\/throttle-position-sensor-2003-ford-ranger","og_site_name":"FreeAutoMechanic Advice","article_publisher":"https:\/\/www.facebook.com\/freeautomechanic","article_published_time":"2017-10-18T13:20:38+00:00","og_image":[{"url":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/08\/2002-ford-ranger.jpg","type":"","width":"","height":""}],"author":"jarred","twitter_card":"summary_large_image","twitter_misc":{"Written by":"jarred","Est. reading time":"1 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