{"id":889,"date":"2013-03-12T17:44:29","date_gmt":"2013-03-12T23:44:29","guid":{"rendered":"http:\/\/chromedecu.org\/?page_id=889"},"modified":"2013-03-30T17:27:30","modified_gmt":"2013-03-30T23:27:30","slug":"boost-gauge","status":"publish","type":"page","link":"http:\/\/chromedecu.org\/?page_id=889","title":{"rendered":"Boost Gauge"},"content":{"rendered":"<div>\n<h2>Boost Gauge<\/h2>\n<\/div>\n<div><\/div>\n<div>The stock Boost Gauge signal is PWM based signal sent across a single wire from the ECU. At 100% the gauge points to the top, 0% it&#8217;s at the bottom. The ECU calculates the Boost Gauge Duty Cycle (BGDC) from a single 2D table in the ECU.<\/div>\n<div><\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone\" alt=\"\" src=\"http:\/\/i.imgur.com\/tjaqf.jpg\" width=\"528\" height=\"220\" \/><\/div>\n<div>\n<p>The axis is just engine load which is calculated from air flow, then compensated for temperature and then is stored in a location in memory. The look up values you see in the table are where the needle physically points on the gauge itself (-8 = bottom, 14 = top). There&#8217;s really no rhyme or reason to how mitsu setup the gauge. One would think that 100 engine load = 0psi but the engineers probably knew better. After flash tuning a couple cars with the EVOX map sensor, I&#8217;ve been noticing 0psi is actually closer to 75-80 Load which almost matches the table. Who knows&#8230;<\/p>\n<p>In either case, this data is pretty useless. The gauge really just serves as a fuel mileage calculator if anything&#8230;<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Boost Gauge The stock Boost Gauge signal is PWM based signal sent across a single wire from the ECU. At 100% the gauge points to the top, 0% it&#8217;s at the bottom. The ECU calculates the Boost Gauge Duty Cycle &hellip; <a href=\"http:\/\/chromedecu.org\/?page_id=889\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":53,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"footnotes":""},"class_list":["post-889","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"http:\/\/chromedecu.org\/index.php?rest_route=\/wp\/v2\/pages\/889","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/chromedecu.org\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/chromedecu.org\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/chromedecu.org\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/chromedecu.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=889"}],"version-history":[{"count":2,"href":"http:\/\/chromedecu.org\/index.php?rest_route=\/wp\/v2\/pages\/889\/revisions"}],"predecessor-version":[{"id":1294,"href":"http:\/\/chromedecu.org\/index.php?rest_route=\/wp\/v2\/pages\/889\/revisions\/1294"}],"up":[{"embeddable":true,"href":"http:\/\/chromedecu.org\/index.php?rest_route=\/wp\/v2\/pages\/53"}],"wp:attachment":[{"href":"http:\/\/chromedecu.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=889"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}