Failed an emissions test? This can be down to dozens of reasons but is largely limited to parts in the car Fuel Delivery System. Causes can be as simple as a leaking gas cap, faulty vapor canisters that trap gas vapors in the fuel return lines to damage to the EGR Valves that recirculate exhaust gasses and reduce nitrogen oxides. Increased emissions can also be down to skipping maintenance intervals with regular replacement parts like vehicle Air Filters to deliver oxygen-rich and cleansed air for better engine efficiency, and Engine Oil Filters to filter out contaminants that cause wear.
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- Dorman PCV Valve Diaphragm for 2005-2017 Audi A4 1.8L 2.0L 3.0L 3.2L L4 V6Special Price $33.87 Regular Price $34.57
- MAHLE Inlet Catalytic Converter Gasket for 2000-2004 INFINITI G20 I35 2.0L 3.5L L4 V6Special Price $4.17 Regular Price $4.26
- MAHLE Front Rearward Catalytic Converter Gasket for 2004-2007 Nissan Maxima 3.5L V6Special Price $4.43 Regular Price $5.99
- MAHLE Front Catalytic Converter Gasket for 2009-2019 Kia Forte Forte5 Koup Optima Rondo Sorento Soul Sportage 1.6L 2.0L 2.4L L4Special Price $6.42 Regular Price $6.47