{"id":3244,"date":"2026-09-29T05:43:43","date_gmt":"2026-09-29T05:43:43","guid":{"rendered":"https:\/\/shop.autoboss.com\/?post_type=product&#038;p=3244"},"modified":"2026-10-09T03:53:12","modified_gmt":"2026-10-09T03:53:12","slug":"autool-pt640-gdi-fuel-pressure-gauge","status":"publish","type":"product","link":"https:\/\/autoboss.com\/de\/product\/autool-pt640-gdi-fuel-pressure-gauge\/","title":{"rendered":"AUTOOL PT640 Digital GDI Fuel Pressure Tester \u2013 0-360 bar"},"content":{"rendered":"<div class=\"abd-pd\" data-abd-version=\"1\">\n<header class=\"abd-hero\">\n<h3>Digital Pressure Readings for Gasoline Direct-Injection Fuel Systems<\/h3>\n<p class=\"abd-lead\">The AUTOOL PT640 reads high-pressure fuel at a GDI test point up to 360 bar and shows current, maximum, minimum and differential pressure together, so there is no mechanical needle to interpret. It is for gasoline direct injection only, not diesel common rail.<\/p>\n<ul class=\"abd-facts\">\n<li>0\u2013360 bar<\/li>\n<li>1% FS Accuracy<\/li>\n<li>Current \/ Max \/ Min \/ Differential<\/li>\n<li>bar \u00b7 kg\/cm\u00b2 \u00b7 psi<\/li>\n<li>GDI Hose and Fitting Set<\/li>\n<\/ul>\n<\/header>\n<section class=\"abd-sec\" id=\"abd-features\">\n<h4>Key Features<\/h4>\n<ol class=\"abd-features\">\n<li>\n<h5>High-Pressure GDI Range<\/h5>\n<p>Covers direct-injection fuel pump pressure, with an overload alarm before the sensor limit is reached.<\/p>\n<\/li>\n<li>\n<h5>Four Readings on One Screen<\/h5>\n<p>The backlit display shows real-time, maximum, minimum and differential pressure plus measurement time, and stays readable in low light.<\/p>\n<\/li>\n<li>\n<h5>Unit Switching<\/h5>\n<p>One button switches between bar, kg\/cm\u00b2 and psi to match the service data you are working from.<\/p>\n<\/li>\n<li>\n<h5>Data Lock and Zeroing<\/h5>\n<p>Lock the reading and screen for stable observation, then clear and zero before or after a measurement.<\/p>\n<\/li>\n<li>\n<h5>Fittings for the Fuel Line<\/h5>\n<p>Adapter hoses, metal adapters and a T-fitting connect the probe to the direct-injection fuel line.<\/p>\n<\/li>\n<\/ol>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-box\">\n<h4>What&#8217;s in the Box<\/h4>\n<ul class=\"abd-box\">\n<li>PT640 GDI fuel pressure gauge with probe hose<\/li>\n<li>Adapter hoses<\/li>\n<li>Metal adapters<\/li>\n<li>T connector<\/li>\n<li>Carrying case<\/li>\n<li>User manual<\/li>\n<\/ul>\n<figure class=\"abd-fig\"><img decoding=\"async\" src=\"https:\/\/autoboss.com\/wp-content\/uploads\/autool-catalog\/media\/182f1a4eb3bf3852a20593f9.webp\" alt=\"AUTOOL PT640 gauge with probe hose, two adapter hoses, two metal adapters, T connector, carrying case, manual and retail box\" width=\"1200\" height=\"1200\" loading=\"lazy\"><figcaption>PT640 package contents.<\/figcaption><\/figure>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-use\">\n<h4>How to Use<\/h4>\n<ol class=\"abd-steps\">\n<li><b>Release fuel pressure<\/b><span>Remove the fuel pump fuse, relay or pump plug, run the engine until it stalls, crank it 2-3 more times, then disconnect the negative battery terminal.<\/span><\/li>\n<li><b>Fit the batteries<\/b><span>Open the rear cover and install the AAA batteries by the polarity marks.<\/span><\/li>\n<li><b>Choose the adapter<\/b><span>Select the adapter for the vehicle and attach it to the measuring probe.<\/span><\/li>\n<li><b>Connect to the GDI line<\/b><span>After depressurizing per the vehicle procedure, install only the verified GDI-rated hose and adapter.<\/span><\/li>\n<li><b>Zero and measure<\/b><span>Long-press to power on, long-press to zero, select the unit and start measuring.<\/span><\/li>\n<\/ol>\n<p class=\"abd-note\">Unit selection, adapter setup and troubleshooting: <a href=\"https:\/\/autoboss.com\/wp-content\/uploads\/autool-catalog\/media\/2ac908f6a64306ca0430fa48.pdf\" target=\"_blank\" rel=\"noopener\">PT640 user manual (PDF)<\/a>.<\/p>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-notes\">\n<h4>Good to Know<\/h4>\n<div class=\"abd-notes\">\n<div class=\"abd-note-group is-caution\">\n<h5><span class=\"abd-tag\">Caution<\/span><\/h5>\n<ul>\n<li>Do not connect the PT640 to a diesel common-rail system.<\/li>\n<li>GDI fuel pressure is high-energy: always depressurize before connecting, and use an adapter that seals properly to avoid leaks and false readings.<\/li>\n<\/ul>\n<\/div>\n<div class=\"abd-note-group is-care\">\n<h5><span class=\"abd-tag\">Care<\/span><\/h5>\n<ul>\n<li>Place a towel or cloth under the connection when removing the fuel pipe so fuel does not reach the ground.<\/li>\n<li>Store the gauge dry when not in use.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"<ul>\n<li><strong>0\u2013360 Bar GDI Test:<\/strong> Measure automotive GDI and direct-injection fuel pressure from 0 to 360 bar.<\/li>\n<li><strong>1% FS Accuracy \/ 0.1 Resolution:<\/strong> Read pressure with 1% FS accuracy and 0.1-unit display resolution.<\/li>\n<li><strong>Current, Max, Min + Differential:<\/strong> View current, maximum, minimum, and differential pressure on the 2.8-inch backlit display.<\/li>\n<li><strong>Three Pressure Units:<\/strong> Switch among bar, kg\/cm\u00b2, and psi.<\/li>\n<li><strong>GDI Connection Kit:<\/strong> Use the adapter hoses, metal fittings, and T connector at compatible GDI test points.<\/li>\n<\/ul>","protected":false},"featured_media":12258,"comment_status":"open","ping_status":"closed","template":"","meta":{"_gspb_post_css":""},"product_brand":[128],"product_cat":[62,74],"product_tag":[],"class_list":["post-3244","product","type-product","status-publish","has-post-thumbnail","product_brand-autool","product_cat-best-selling-products","product_cat-engine-pressure-tester","first","instock","shipping-taxable","purchasable","product-type-variable"],"_links":{"self":[{"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/product\/3244","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/comments?post=3244"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/media\/12258"}],"wp:attachment":[{"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/media?parent=3244"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/product_brand?post=3244"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/product_cat?post=3244"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/product_tag?post=3244"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}