{"id":21608,"date":"2024-06-27T06:20:35","date_gmt":"2024-06-27T06:20:35","guid":{"rendered":"https:\/\/www.obd2tool.com\/blog\/?p=21608"},"modified":"2024-07-02T07:27:42","modified_gmt":"2024-07-02T07:27:42","slug":"detroit-ghg17-engine-fis-low-pressure-leak-test-with-dddl","status":"publish","type":"post","link":"https:\/\/www.obd2tool.com\/blog\/detroit-ghg17-engine-fis-low-pressure-leak-test-with-dddl\/","title":{"rendered":"Detroit GHG17 Engine FIS Low Pressure Leak Test with DDDL"},"content":{"rendered":"<h2>Introduction<\/h2>\n<p>This guide demonstrates how to perform a Fuel Injection System (FIS) low-pressure leak test on a Detroit GHG17 heavy-duty engine using the Detroit Diesel Diagnostic Link (DDDL) software.<\/p>\n<h3>Related Content<\/h3>\n<ul>\n<li><a href=\"https:\/\/www.obd2tool.com\/blog\/detroit-diesel-diagnostic-link-dddl-software-free-download\/\">2024 Detroit Diesel Diagnostic Link DDDL 8.19 8.09 Free Download<\/a><\/li>\n<li><a href=\"https:\/\/www.obd2tool.com\/goods-6833-JPRO+Professional+Diagnostic+Tool.html\">JPRO DLA+ 2.0 Adapter<\/a><\/li>\n<li><a href=\"https:\/\/www.obd2tool.com\/goods-5163-NEXIQ-2+USB+Link++Software+Diesel+Truck+Interface+And+Software+With+All+Installers.html\">NEXIQ USB Link Adapter<\/a><\/li>\n<\/ul>\n<h2>What You Need<\/h2>\n<ol>\n<li><strong>Diagnostic Software:<\/strong> <a href=\"https:\/\/www.obd2tool.com\/goods-10547-DDDL-Detroit-Diesel-DiagnosticLink.html\">DDDL 8.19<\/a><\/li>\n<li><strong>Air Pressure Test Kit:<\/strong> Fuel System<\/li>\n<li><strong>Fuel System Tool Update Kit<\/strong> without Motor Control Module (MCM) Cooler<\/li>\n<\/ol>\n<p><strong>Note:<\/strong> Refer to 13 TL-11REV for updates on Tool J-48710, which enhances leak detection accuracy in low-pressure fuel systems.<\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-full wp-image-21609\" src=\"https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-1.jpg\" alt=\"\" width=\"527\" height=\"425\" srcset=\"https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-1.jpg 527w, https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-1-300x242.jpg 300w\" sizes=\"(max-width: 527px) 100vw, 527px\" \/> <img loading=\"lazy\" class=\"alignnone size-full wp-image-21610\" src=\"https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-2.jpg\" alt=\"\" width=\"531\" height=\"366\" srcset=\"https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-2.jpg 531w, https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-2-300x207.jpg 300w\" sizes=\"(max-width: 531px) 100vw, 531px\" \/><\/p>\n<h2>Procedure<\/h2>\n<h3>Preliminary Steps<\/h3>\n<ol>\n<li>Shut off the engine, apply the parking brake, lock the wheels, and take all necessary safety precautions.<\/li>\n<li>Remove the fuel tank filler cap.<\/li>\n<li>Disconnect the fuel supply line from the fuel filter module.<\/li>\n<li>Install Tool J-48710 onto the fuel filter module.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-21611\" src=\"https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-3.jpg\" alt=\"\" width=\"918\" height=\"701\" srcset=\"https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-3.jpg 918w, https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-3-300x229.jpg 300w, https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-3-900x687.jpg 900w, https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-3-768x586.jpg 768w\" sizes=\"(max-width: 918px) 100vw, 918px\" \/><\/li>\n<\/ol>\n<h3>Pressurizing the System<\/h3>\n<ol start=\"5\">\n<li>Connect the air supply to Tool J-48710.<\/li>\n<li>Pressurize the fuel system to 517 kPa (75 psi) for six minutes.<\/li>\n<li>Close the ball valve on Tool J-48710.<\/li>\n<li>Wait for two minutes.<\/li>\n<li>Disconnect the return line from the fuel filter module and install the cap Tool J-48710 on the return line connector.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-21613\" src=\"https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-4.jpg\" alt=\"\" width=\"954\" height=\"674\" srcset=\"https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-4.jpg 954w, https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-4-300x212.jpg 300w, https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-4-900x636.jpg 900w, https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-4-768x543.jpg 768w\" sizes=\"(max-width: 954px) 100vw, 954px\" \/><\/li>\n<\/ol>\n<h3>Preparing for Diagnostics<\/h3>\n<ol start=\"10\">\n<li>Install the fuel tank filler cap.<\/li>\n<li>With the ignition ON and the engine OFF, connect to the MCM via DiagnosticLink.<\/li>\n<li>In DiagnosticLink, click the Service Routines tab.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-21614\" src=\"https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-5.jpg\" alt=\"\" width=\"1116\" height=\"658\" srcset=\"https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-5.jpg 1116w, https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-5-300x177.jpg 300w, https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-5-900x531.jpg 900w, https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-5-768x453.jpg 768w\" sizes=\"(max-width: 1116px) 100vw, 1116px\" \/><\/li>\n<li>Select the FIS Low Pressure Leak Test tab.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-21615\" src=\"https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-9.jpg\" alt=\"\" width=\"1009\" height=\"596\" srcset=\"https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-9.jpg 1009w, https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-9-300x177.jpg 300w, https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-9-900x532.jpg 900w, https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-9-768x454.jpg 768w\" sizes=\"(max-width: 1009px) 100vw, 1009px\" \/><\/li>\n<\/ol>\n<h3>Running the Leak Test<\/h3>\n<ol start=\"14\">\n<li>Use Tool J-48710 to pressurize the fuel system to 517 kPa (75 psi) for four minutes.<\/li>\n<li>Close the ball valve and disconnect the air supply from Tool J-48710.<\/li>\n<\/ol>\n<p><strong>Note:<\/strong> The fuel compensation pressure sensor measures absolute pressure. Thus, the indicated pressure should be approximately 100 kPa (14.5 psi) higher than the gauge reading on Tool J-48710. When Tool J-48710 indicates 517 kPa (75 psi), the compensation sensor will show approximately 620 kPa (90 psi).<\/p>\n<ol start=\"16\">\n<li>Press the &#8220;Start&#8221; button on DiagnosticLink.<br \/>\n<img loading=\"lazy\" class=\"alignnone size-full wp-image-21612\" src=\"https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-.jpg\" alt=\"\" width=\"1025\" height=\"604\" srcset=\"https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL-.jpg 1025w, https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL--300x177.jpg 300w, https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL--900x530.jpg 900w, https:\/\/www.obd2tool.com\/blog\/wp-content\/uploads\/2024\/07\/Detroit-GHG17-Engine-FIS-Low-Pressure-Leak-Test-with-DDDL--768x453.jpg 768w\" sizes=\"(max-width: 1025px) 100vw, 1025px\" \/><\/li>\n<li>Once the test is complete, review the test results in the DiagnosticLink log file.<\/li>\n<\/ol>\n<h3>Analyzing the Results<\/h3>\n<ol start=\"18\">\n<li>Did the fuel system pass the FIS Low Pressure Leak Test?\n<ul>\n<li><strong>Yes:<\/strong> Gently remove the cap Tool J-48710 from the fuel filter module. Remove Tool J-48710 from the fuel filter module. Reattach the fuel supply and return lines to the fuel filter module. Return to the original diagnostic that led to the FIS Low Pressure Leak Test.<\/li>\n<li><strong>No:<\/strong> Proceed to step 19.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>If a Leak is Detected<\/h3>\n<ol start=\"19\">\n<li>Reconnect the air supply to Tool J-48710.<\/li>\n<li>Open the ball valve and pressurize the fuel system to 517 kPa (75 psi).<\/li>\n<li>Follow the &#8220;Possible Fuel Leak &#8211; Dual Filter Fuel System&#8221; procedure to locate the leak using a soapy solution to spray on fittings, connections, and hoses.<\/li>\n<\/ol>\n<p>For more Detroit Diesel engine repair cases, visit <a href=\"https:\/\/www.obd2tool.com\/blog\/category\/diesel-trouble-repair\/\">Detroit Diesel Engine Repair<\/a>.<\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>Introduction This guide demonstrates how to perform a Fuel Injection System (FIS) low-pressure leak test on a Detroit GHG17 heavy-duty<!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><\/p>\n","protected":false},"author":1,"featured_media":21612,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3469,65],"tags":[3623,3621,467,3544,3622],"views":1565,"_links":{"self":[{"href":"https:\/\/www.obd2tool.com\/blog\/wp-json\/wp\/v2\/posts\/21608"}],"collection":[{"href":"https:\/\/www.obd2tool.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.obd2tool.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.obd2tool.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.obd2tool.com\/blog\/wp-json\/wp\/v2\/comments?post=21608"}],"version-history":[{"count":1,"href":"https:\/\/www.obd2tool.com\/blog\/wp-json\/wp\/v2\/posts\/21608\/revisions"}],"predecessor-version":[{"id":21616,"href":"https:\/\/www.obd2tool.com\/blog\/wp-json\/wp\/v2\/posts\/21608\/revisions\/21616"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.obd2tool.com\/blog\/wp-json\/wp\/v2\/media\/21612"}],"wp:attachment":[{"href":"https:\/\/www.obd2tool.com\/blog\/wp-json\/wp\/v2\/media?parent=21608"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.obd2tool.com\/blog\/wp-json\/wp\/v2\/categories?post=21608"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.obd2tool.com\/blog\/wp-json\/wp\/v2\/tags?post=21608"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}