{"id":11889,"date":"2026-09-30T10:39:50","date_gmt":"2026-09-30T10:39:50","guid":{"rendered":"https:\/\/shop.autoboss.com\/?post_type=product&#038;p=11889"},"modified":"2026-10-09T08:20:30","modified_gmt":"2026-10-09T08:20:30","slug":"mrcartool-car-spark-plug-tester-with-auto-adjustable-for-12v-vehicles","status":"publish","type":"product","link":"https:\/\/autoboss.com\/de\/product\/mrcartool-car-spark-plug-tester-with-auto-adjustable-for-12v-vehicles\/","title":{"rendered":"MRCARTOOL Dual-Hole Spark Plug Tester with 0-6000 RPM Adjustment &#038; Safety Cover"},"content":{"rendered":"<div class=\"abd-pd\" data-abd-version=\"1\">\n<header class=\"abd-hero\">\n<h3>Check Spark Plug Strength Two at a Time Under Simulated Engine Speed<\/h3>\n<p class=\"abd-lead\">This bench tester simulates engine working conditions to fire two 12 V gasoline spark plugs at once, so you can tell good plugs from weak ones by the strength of the spark. A clear protective cover closes over the sockets during the test.<\/p>\n<ul class=\"abd-facts\">\n<li>Dual-Hole Testing<\/li>\n<li>0\u20136000 RPM Adjustable<\/li>\n<li>Protective Cover<\/li>\n<li>Signal &amp; Power Indicators<\/li>\n<li>Plug and Play<\/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>Simulated Engine Operation<\/h5>\n<p>Turn the rotary switch to change the simulated speed and compare how the plugs perform under different working conditions.<\/p>\n<\/li>\n<li>\n<h5>Dual-Hole Testing<\/h5>\n<p>Test two spark plugs at the same time to save time.<\/p>\n<\/li>\n<li>\n<h5>Protective Cover<\/h5>\n<p>A clear cover closes over both sockets so the spark can be watched safely during the test.<\/p>\n<\/li>\n<li>\n<h5>Status Indicators<\/h5>\n<p>A high-voltage indicator for each socket and a power indicator show the spark plug status at a glance.<\/p>\n<\/li>\n<li>\n<h5>Plug and Play<\/h5>\n<p>Simple operation with no setup beyond power and the rotary switch.<\/p>\n<\/li>\n<\/ol>\n<\/section>\n<section class=\"abd-sec abd-hls\" id=\"abd-highlights\">\n<h4>Highlights<\/h4>\n<figure class=\"abd-hl\"><img decoding=\"async\" src=\"https:\/\/autoboss.com\/wp-content\/uploads\/mrcartool-catalog\/media\/45b88e114ea8279706dd0779.jpg\" alt=\"MRCARTOOL spark plug tester with two spark plugs being inserted into the dual test sockets\" width=\"1200\" height=\"1200\" loading=\"lazy\"><figcaption>\n<h5>Two Sockets<\/h5>\n<p>Insert two plugs and test them side by side.<\/p>\n<\/figcaption><\/figure>\n<figure class=\"abd-hl\"><img decoding=\"async\" src=\"https:\/\/autoboss.com\/wp-content\/uploads\/mrcartool-catalog\/media\/317418f0ffdd05823d252ced.jpg\" alt=\"Rotary switch on the MRCARTOOL spark plug tester with a 0 to 6000 rpm dial scale\" width=\"1200\" height=\"1200\" loading=\"lazy\"><figcaption>\n<h5>Adjustable Speed<\/h5>\n<p>The rotary switch sets the working frequency from 0 to 6000 rpm.<\/p>\n<\/figcaption><\/figure>\n<figure class=\"abd-hl\"><img decoding=\"async\" src=\"https:\/\/autoboss.com\/wp-content\/uploads\/mrcartool-catalog\/media\/7d8bff46ab84e36fd63b999f.jpg\" alt=\"MRCARTOOL spark plug tester with its clear protective cover open over two spark plugs\" width=\"1200\" height=\"1200\" loading=\"lazy\"><figcaption>\n<h5>Protective Cover<\/h5>\n<p>Close the cover before testing to protect the operator.<\/p>\n<\/figcaption><\/figure>\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>Digital sensing<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Main unit dimensions<\/th>\n<td>145 \u00d7 95 \u00d7 113 mm<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Controls and ports<\/th>\n<td>Rotary switch, power port<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/section>\n<section class=\"abd-sec\" id=\"abd-compare\">\n<h4>Basic Version vs H90<\/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\" class=\"is-current\">Basic Version<\/th>\n<th scope=\"col\">H90<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">Simulated RPM<\/th>\n<td class=\"is-current\">0\u20136000rpm<\/td>\n<td>500\u20139000rpm<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Safety protection cover<\/th>\n<td class=\"is-current\">Yes<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">HD digital display<\/th>\n<td class=\"is-current\">No<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Battery clip design<\/th>\n<td class=\"is-current\">No<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Adjustable hole position height<\/th>\n<td class=\"is-current\">No<\/td>\n<td>Yes<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Supports long spark plugs<\/th>\n<td class=\"is-current\">No<\/td>\n<td>Yes<\/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>Main unit<\/li>\n<li>Power cable<\/li>\n<li>User manual<\/li>\n<\/ul>\n<figure class=\"abd-fig\"><img decoding=\"async\" src=\"https:\/\/autoboss.com\/wp-content\/uploads\/mrcartool-catalog\/media\/01fa4959258e8e91d6a9612b.jpg\" alt=\"MRCARTOOL spark plug tester main unit with dimensions, power cable, package box and user manual\" width=\"1200\" height=\"1200\" loading=\"lazy\"><figcaption>Main unit, power cable and user manual.<\/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>Insert the plugs<\/b><span>Place the spark plugs in the test holes.<\/span><\/li>\n<li><b>Close the cover<\/b><span>Close the protective cover over the sockets.<\/span><\/li>\n<li><b>Power on and set speed<\/b><span>Connect the power supply and adjust the working frequency with the rotary switch.<\/span><\/li>\n<li><b>Watch the spark<\/b><span>Observe the spark plug test status through the protective cover.<\/span><\/li>\n<\/ol>\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 insert or remove a spark plug while the tester is powered; turn the power off first.<\/li>\n<li>During operation the spark plug voltage reaches tens of thousands of volts; do not touch it with your hands.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/section>\n<\/div>","protected":false},"excerpt":{"rendered":"<ul>\n<li><strong>Dual Hole Testing &amp; Time-Saving:<\/strong>The AUTOOL SPT101 Car Spark Plug Tester lets you test two holes at once and shows engine status for faster results.<\/li>\n<li><strong>Wide Application:<\/strong>It works with 12V gasoline vehicles and accepts 100V to 240V input.<\/li>\n<li><strong>Easy Operation:<\/strong>Just plug it in to use. The indicator light clearly shows the spark plug\u2019s status.<a href=\"https:\/\/api.whatsapp.com\/send\/?phone=%2B8618923768146&amp;text=onlinesupport\"><span style=\"color: #d83131\"><strong>Online Support&gt;&gt;<\/strong><\/span><\/a><\/li>\n<\/ul>","protected":false},"featured_media":12300,"comment_status":"open","ping_status":"closed","template":"","meta":{"_gspb_post_css":""},"product_brand":[126],"product_cat":[103],"product_tag":[],"class_list":["post-11889","product","type-product","status-publish","has-post-thumbnail","product_brand-mrcartool","product_cat-spark-plug-tester","first","instock","sale","shipping-taxable","purchasable","product-type-variable"],"_links":{"self":[{"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/product\/11889","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=11889"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/media\/12300"}],"wp:attachment":[{"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/media?parent=11889"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/product_brand?post=11889"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/product_cat?post=11889"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/autoboss.com\/de\/wp-json\/wp\/v2\/product_tag?post=11889"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}