{"id":3712,"date":"2026-09-29T05:43:54","date_gmt":"2026-09-29T05:43:54","guid":{"rendered":"https:\/\/shop.autoboss.com\/?post_type=product&#038;p=3712"},"modified":"2026-10-09T08:20:31","modified_gmt":"2026-10-09T08:20:31","slug":"autool-sdt208-automotive-fuel-leakage-diagnostic-tester-2-modes-car-conduit-pipe-system-leakage-tester","status":"publish","type":"product","link":"https:\/\/autoboss.com\/de\/product\/autool-sdt208-automotive-fuel-leakage-diagnostic-tester-2-modes-car-conduit-pipe-system-leakage-tester\/","title":{"rendered":"AUTOOL SDT208 12V\/24V Dual-Pressure Smoke Leak Detector with Flow Meter &#038; Pressure Gauge"},"content":{"rendered":"<div class=\"abd-pd\" data-abd-version=\"1\">\n<header class=\"abd-hero\">\n<h3>Smoke Leak Testing With Separate EVAP and Standard Pressure Modes<\/h3>\n<p class=\"abd-lead\">The SDT208 runs from a 12 V or 24 V vehicle battery and uses its built-in pump, so no compressor is needed. Check pressure and airflow in Air Mode, then switch to Smoke Mode to find the leak path; choose EVAP or Standard Mode only within the pressure the vehicle procedure permits.<\/p>\n<ul class=\"abd-facts\">\n<li>EVAP &lt;10 psi \/ Standard 35 psi<\/li>\n<li>12 V \/ 24 V Power<\/li>\n<li>Built-In Air Pump<\/li>\n<li>Smoke in About 5 s<\/li>\n<li>Flow Meter + Pressure Gauge<\/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>Two Pressure Modes<\/h5>\n<p>EVAP Mode stays below 10 psi to help protect EVAP lines; Standard Mode reaches up to 35 psi for systems whose procedure allows it.<\/p>\n<\/li>\n<li>\n<h5>Small EVAP Leaks<\/h5>\n<p>EVAP Mode supports checks for leaks down to about 0.5 mm, used with EVAP tools that match the vehicle test port.<\/p>\n<\/li>\n<li>\n<h5>Pressure and Flow Feedback<\/h5>\n<p>The pressure gauge and airflow meter show changes that point to a leak, and the flow control valve sets the airflow into the test line.<\/p>\n<\/li>\n<li>\n<h5>Air Mode and Smoke Mode<\/h5>\n<p>Use Air Mode for pressure monitoring and Smoke Mode for visual leak location.<\/p>\n<\/li>\n<li>\n<h5>Wide System Coverage<\/h5>\n<p>EVAP, intake, throttle-related and vacuum lines, exhaust, crankcase, fuel-tank sealing areas, line fittings and selected low-pressure turbo and intercooler paths.<\/p>\n<\/li>\n<li>\n<h5>Clear Front Panel<\/h5>\n<p>Oil level gauge, airflow meter, pressure gauge, power indicator and alarm indicator in one view.<\/p>\n<\/li>\n<li>\n<h5>Temperature Protection<\/h5>\n<p>Power shuts off above 75\u00b0C, and the unit operates down to -20\u00b0C.<\/p>\n<\/li>\n<\/ol>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-specs\">\n<h4>More Specifications<\/h4>\n<div class=\"abd-table-wrap\">\n<table class=\"abd-table abd-specs\">\n<tbody>\n<tr>\n<th scope=\"row\">Working principle<\/th>\n<td>Low-oxygen combustion<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Test oil fill<\/th>\n<td>10\u201315 mL of smoke-testing oil, liquid paraffin or baby oil<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Continuous running<\/th>\n<td>8 minutes maximum<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-compare\">\n<h4>Model Comparison<\/h4>\n<div class=\"abd-table-wrap\">\n<table class=\"abd-table abd-compare\">\n<thead>\n<tr>\n<th scope=\"col\"><\/th>\n<th scope=\"col\">SDT205S<\/th>\n<th scope=\"col\">SDT206<\/th>\n<th scope=\"col\" class=\"is-current\">SDT208<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">Rated output pressure<\/th>\n<td>&lt;15 psi<\/td>\n<td>&lt;18 psi<\/td>\n<td class=\"is-current\">&lt;10 psi EVAP \/ 35 psi Standard<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Rated output flow<\/th>\n<td>&lt;6 L\/min<\/td>\n<td>&lt;6 L\/min<\/td>\n<td class=\"is-current\">&lt;15 L\/min<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Input power<\/th>\n<td>DC 12 V<\/td>\n<td>DC 12 V<\/td>\n<td class=\"is-current\">DC 12 V \/ 24 V<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Air pumps<\/th>\n<td>Built-in<\/td>\n<td>Two built-in<\/td>\n<td class=\"is-current\">Built-in<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Rated power<\/th>\n<td>65 W<\/td>\n<td>70 W<\/td>\n<td class=\"is-current\">80 W<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Oil level gauge<\/th>\n<td>No<\/td>\n<td>Yes<\/td>\n<td class=\"is-current\">Yes<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Main unit weight<\/th>\n<td>3.2 kg<\/td>\n<td>3.5 kg<\/td>\n<td class=\"is-current\">4.2 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\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>SDT208 smoke leak detector<\/li>\n<li>12 V \/ 24 V battery power cable<\/li>\n<li>Smoke output hose<\/li>\n<li>Cone adapter, rubber caps and adapter set<\/li>\n<li>Empty oil bottle<\/li>\n<li>User manual and certificate<\/li>\n<\/ul>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-use\">\n<h4>How to Use<\/h4>\n<ol class=\"abd-steps\">\n<li><b>Add testing oil<\/b><span>Fill 10\u201315 mL of baby oil or liquid paraffin; do not overfill.<\/span><\/li>\n<li><b>Open the airflow regulator<\/b><span>Gently turn the knob to open the regulator valve.<\/span><\/li>\n<li><b>Connect the test line<\/b><span>Disconnect the line to be tested and fit the hose or adapter that matches the test port.<\/span><\/li>\n<li><b>Power up<\/b><span>Connect to a 12 V or 24 V DC battery and turn on the power switch.<\/span><\/li>\n<li><b>Select the mode<\/b><span>Choose Standard or EVAP Mode for the pressure range, then Air Mode for pressure and airflow or Smoke Mode for leak location.<\/span><\/li>\n<li><b>Locate the leak<\/b><span>Watch smoke, pressure and airflow; a headlamp helps reveal small escape points.<\/span><\/li>\n<li><b>Repair and retest<\/b><span>Confirm the escape path against the system layout, repair it and repeat the same test.<\/span><\/li>\n<\/ol>\n<p class=\"abd-note\">Setup, test pressure and troubleshooting: <a href=\"https:\/\/autoboss.com\/wp-content\/uploads\/autool-catalog\/media\/a8091d73a5eb20054ec9a872.pdf\" target=\"_blank\" rel=\"noopener\">SDT208 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>Testing oil is not included.<\/li>\n<li>Never use Standard Mode on a low-pressure EVAP task, and do not introduce smoke or pressure where the service procedure does not permit it.<\/li>\n<li>The SDT208 cannot directly pressure-test a high-pressure automotive A\/C system.<\/li>\n<li>Do not run continuously for more than 8 minutes, and do not refill oil while it is running.<\/li>\n<li>The round metal housing gets hot during use; avoid touching it.<\/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>Refill only when the smoke becomes thin, and drain the remaining oil before adding fresh oil.<\/li>\n<li>Let the unit cool before restarting after overheat protection trips.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-faq\">\n<h4>FAQ<\/h4>\n<details class=\"abd-faq\" name=\"abd-faq\">\n<summary>How do I read the pressure gauge and flow meter?<\/summary>\n<p>If pressure rises and stabilizes, the line may have no obvious leak. If pressure keeps falling, the line may have a leak that needs inspection.<\/p>\n<\/details>\n<details class=\"abd-faq\" name=\"abd-faq\">\n<summary>Can smoke help on an A\/C line?<\/summary>\n<p>Only indirectly. Isolate and pressurize the line section per the service procedure, then apply smoke nearby and watch whether escaping air disturbs it.<\/p>\n<\/details>\n<details class=\"abd-faq\" name=\"abd-faq\">\n<summary>What if the smoke is thin or there is none?<\/summary>\n<p>Check the 10\u201315 mL oil level, power connection, open regulator and selected mode. Replace old oil with fresh oil, and let the unit cool if it has overheated.<\/p>\n<\/details>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"<ul>\n<li><strong>EVAP \/ Standard Pressure Modes:<\/strong> Select EVAP or Standard mode to match the system being checked and its permitted test pressure.<\/li>\n<li><strong>12\/24 V Vehicle Power:<\/strong> Power the detector from compatible 12 V or 24 V vehicle electrical systems.<\/li>\n<li><strong>Pressure + Flow Monitoring:<\/strong> Use the pressure gauge and airflow meter to observe changes, then adjust airflow with the control valve.<\/li>\n<li><strong>Air + Smoke Modes:<\/strong> Use Air Mode for pressure monitoring and Smoke Mode for visual leak location.<\/li>\n<li><strong>Built-In Air Pump:<\/strong> Run workshop or mobile tests without an external air supply.<\/li>\n<\/ul>","protected":false},"featured_media":12653,"comment_status":"open","ping_status":"closed","template":"","meta":{"_gspb_post_css":""},"product_brand":[128],"product_cat":[62,54],"product_tag":[],"class_list":["post-3712","product","type-product","status-publish","has-post-thumbnail","product_brand-autool","product_cat-best-selling-products","product_cat-automotive-pipe-leak-detection","first","instock","shipping-taxable","purchasable","product-type-variable"],"_links":{"self":[{"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/product\/3712","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=3712"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/media\/12653"}],"wp:attachment":[{"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/media?parent=3712"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/product_brand?post=3712"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/product_cat?post=3712"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/product_tag?post=3712"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}