{"product_id":"ez-pass-emissions-treatment-fuel-additive-16-fl-oz-single-for-catalytic-converter-o2-sensor-cleaning-smog-test-prep","title":"EZ PASS Emissions Treatment fuel additive — 16 fl oz (single) for catalytic converter \u0026 O2 sensor cleaning, smog test prep","description":"\u003cp\u003e\u003cstrong\u003eEZ PASS™ Emissions Treatment is a ready-to-use fuel additive that helps clean catalytic converters, oxygen sensors, injectors and combustion chambers when poured into a full tank and driven at highway speed.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf you're preparing for a smog or state emissions inspection or simply want to support your vehicle's exhaust system performance, this gasoline additive is formulated to work through the fuel system during normal driving. The concentrated 16 fl. oz. bottle treats up to 16 gallons of gasoline and is designed to reduce the carbon and exhaust deposits that can interfere with sensor readings and exhaust flow. Use as directed for a single pre-test treatment or regularly as part of maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eHow does EZ PASS help my vehicle before a smog test?\u003c\/h3\u003e\n\u003cp\u003eWhen added to a full tank, the formula circulates with fuel and reaches components in the combustion and exhaust systems during driving. It targets carbon and residue that may contribute to higher hydrocarbon readings or sluggish converter performance, aiming to improve overall emissions-related operation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdd one 16 fl. oz. bottle to a full tank (treats up to 16 gallons).\u003c\/li\u003e\n  \u003cli\u003eDrive 10–15 minutes at highway speed with the engine fully warmed.\u003c\/li\u003e\n  \u003cli\u003eIntended as a preparatory step before inspections, not a guaranteed pass.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan this restore a failing catalytic converter or O2 sensor?\u003c\/h3\u003e\n\u003cp\u003eThis additive is formulated to reduce deposits that impair catalytic and sensor performance, but it cannot repair mechanical damage or severely deteriorated components. If a converter or sensor is physically damaged or beyond wear limits, professional diagnosis and replacement may be required.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHelps remove carbon buildup that can restrict exhaust flow.\u003c\/li\u003e\n  \u003cli\u003eMay improve oxygen sensor readings when deposits are the issue.\u003c\/li\u003e\n  \u003cli\u003eNot a substitute for repair of faulty or physically broken parts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow and how often should I use the product for best results?\u003c\/h3\u003e\n\u003cp\u003ePour one bottle into a full tank of gasoline and drive at highway speeds for 10–15 minutes with the engine at normal operating temperature to allow distribution through the fuel and exhaust systems. For ongoing upkeep, apply the treatment every 2,000 miles as part of routine maintenance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne 16 fl. oz. bottle treats up to 16 gallons of fuel.\u003c\/li\u003e\n  \u003cli\u003eSingle-use before a smog test or repeat every 2,000 miles for maintenance.\u003c\/li\u003e\n  \u003cli\u003eResults depend on vehicle condition, driving, and maintenance history.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat safety and compatibility points should I know?\u003c\/h3\u003e\n\u003cp\u003eThe formula is intended for use in gasoline-powered vehicles that use conventional catalytic converters and O2 sensors. Always follow label directions and the vehicle manufacturer's fuel and additive recommendations. Keep containers sealed and store away from heat or open flame.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIntended for gasoline engines; check manufacturer guidance for specialized fuels.\u003c\/li\u003e\n  \u003cli\u003eDo not exceed recommended dosage or mix with incompatible additives.\u003c\/li\u003e\n  \u003cli\u003eIf in doubt, consult a mechanic before use on older or modified emissions systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? EZ PASS™ Emissions Treatment suits drivers and fleet managers who want a simple, over-the-counter way to help reduce exhaust-system deposits before inspections or as part of routine care. It’s recommended for owners of gasoline vehicles seeking an easy maintenance step to support catalytic converter and oxygen sensor performance, while understanding that severely worn or damaged parts may still need professional attention.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will one bottle treat my car's full tank?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—one 16 fl. oz. bottle treats up to 16 gallons of gasoline; add to a full tank.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How long before a smog test should I drive after pouring it in?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Drive 10–15 minutes at highway speed with the engine fully warmed to circulate the formula.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"EZ PASS","offers":[{"title":"Default Title","offer_id":48086713991326,"sku":"B0GMYBZXMN","price":60.56,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ez-pass-front-label-bottle.jpg?v=1785902721","url":"https:\/\/northtrailauto.ca\/products\/ez-pass-emissions-treatment-fuel-additive-16-fl-oz-single-for-catalytic-converter-o2-sensor-cleaning-smog-test-prep","provider":"North Trail Auto","version":"1.0","type":"link"}