{"product_id":"2006-2007-4-2-trailblazer-tuned-ecm","title":"2006-2007 4.2 Trailblazer tuned ecm","description":"\u003cp data-start=\"54\" data-end=\"114\"\u003e\u003cstrong data-start=\"54\" data-end=\"114\"\u003eCustom ECM Tune for 2006–2007 4.2L (Trailblazer \/ Envoy)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"116\" data-end=\"227\"\u003eGet the most out of your 4.2L Atlas with a performance-driven tune built for power, simplicity, and durability.\u003c\/p\u003e\n\u003cp data-start=\"229\" data-end=\"257\"\u003e\u003cstrong data-start=\"229\" data-end=\"257\"\u003eWhat this tune delivers:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"258\" data-end=\"679\"\u003e\n\u003cli data-start=\"258\" data-end=\"319\"\u003e\n\u003cp data-start=\"260\" data-end=\"319\"\u003e\u003cstrong data-start=\"260\" data-end=\"289\"\u003eDialed-in ignition timing\u003c\/strong\u003e for crisp throttle response\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"320\" data-end=\"398\"\u003e\n\u003cp data-start=\"322\" data-end=\"398\"\u003e\u003cstrong data-start=\"322\" data-end=\"343\"\u003eOptimized fueling\u003c\/strong\u003e for stronger performance across the entire RPM range\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"399\" data-end=\"458\"\u003e\n\u003cp data-start=\"401\" data-end=\"458\"\u003e\u003cstrong data-start=\"401\" data-end=\"423\"\u003eRaised rev limiter\u003c\/strong\u003e to keep the power pulling longer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"459\" data-end=\"541\"\u003e\n\u003cp data-start=\"461\" data-end=\"541\"\u003e\u003cstrong data-start=\"461\" data-end=\"492\"\u003eModified cooling parameters\u003c\/strong\u003e to safely run hotter when conditions demand it\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"542\" data-end=\"627\"\u003e\n\u003cp data-start=\"544\" data-end=\"627\"\u003e\u003cstrong data-start=\"544\" data-end=\"596\"\u003eRemoval of unneeded sensors \u0026amp; emissions controls\u003c\/strong\u003e to simplify the engine setup\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"628\" data-end=\"679\"\u003e\n\u003cp data-start=\"630\" data-end=\"679\"\u003e\u003cstrong data-start=\"630\" data-end=\"659\"\u003eFull VATS\/security delete\u003c\/strong\u003e for easy starting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"681\" data-end=\"954\"\u003eThis tune is \u003cstrong data-start=\"694\" data-end=\"738\"\u003efully compatible with your stock harness\u003c\/strong\u003e, but you will need a \u003cstrong data-start=\"760\" data-end=\"781\"\u003epush-button start\u003c\/strong\u003e and to \u003cstrong data-start=\"789\" data-end=\"814\"\u003ehotwire the fuel pump\u003c\/strong\u003e for proper operation.\u003cbr data-start=\"836\" data-end=\"839\"\u003eFor \u003cstrong data-start=\"843\" data-end=\"868\"\u003ederby\/off-road builds\u003c\/strong\u003e, we also recommend \u003cstrong data-start=\"888\" data-end=\"918\"\u003ehotwiring the transmission\u003c\/strong\u003e to eliminate common failure issues.\u003c\/p\u003e\n\u003cp data-start=\"956\" data-end=\"1008\"\u003e⚠️ \u003cstrong data-start=\"959\" data-end=\"1008\"\u003eOFF-ROAD USE ONLY — Not legal for street use.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"LMMF SIMPLIFIED WIRING","offers":[{"title":"Default Title","offer_id":51728473194790,"sku":null,"price":200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0868\/0505\/3734\/files\/IMG_1321.jpg?v=1768170555","url":"https:\/\/www.lmmfsimplifiedwiring.com\/products\/2006-2007-4-2-trailblazer-tuned-ecm","provider":"LMMF SIMPLIFIED WIRING","version":"1.0","type":"link"}