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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- 2 pc Walker Converter Rear Exhaust System Insulators for 2001-2016 Kia Optima 2.4L 2.5L 2.7L L4 V6Special Price $10.91 Regular Price $15.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 1991-1992 Jeep Cherokee 4.0L L6Special Price $10.51 Regular Price $14.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 1999-2000 Honda Civic 1.6L L4Special Price $3.89 Regular Price $5.99
- Walker Converter Rear Exhaust System Insulator for 2004-2006 Lexus RX330 3.3L V6Special Price $4.99 Regular Price $6.99
- Walker Converter Rear Exhaust System Insulator for 2010-2017 GMC Terrain 2.4L L4Special Price $8.09 Regular Price $11.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 2011-2012 Lincoln MKZ 2.5L L4Special Price $2.25 Regular Price $2.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 2010-2012 Ford Fusion 2.5L L4Special Price $2.25 Regular Price $2.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 2010-2011 Mercury Milan 2.5L L4Special Price $2.25 Regular Price $2.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 2012-2013 Kia Soul 2.0L L4Special Price $2.56 Regular Price $3.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 2010-2012 Ford Fusion 2.5L L4Special Price $2.56 Regular Price $3.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 2010-2011 Mercury Milan 2.5L L4Special Price $2.56 Regular Price $3.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 1986-1988 Nissan Stanza 2.0L L4Special Price $2.56 Regular Price $3.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 2007-2010 Kia Rondo 2.4L L4Special Price $2.56 Regular Price $3.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 1993-1995 Honda Civic del Sol 1.5L L4Special Price $3.04 Regular Price $3.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 1988-1995 Honda Civic 1.5L 1.6L L4Special Price $3.27 Regular Price $4.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 1988-1993 Acura Integra 1.6L 1.7L 1.8L L4Special Price $3.27 Regular Price $4.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 1988-1991 Honda CRX 1.6L L4Special Price $3.27 Regular Price $4.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 1989-1992 Toyota Corolla 1.6L L4Special Price $3.35 Regular Price $4.99
- Walker Converter Rear Exhaust System Insulator for 2006-2008 Lexus RX400h 3.3L V6Special Price $4.99 Regular Price $6.99
- Walker Converter Rear Exhaust System Insulator for 2001-2008 Ford Escape 3.0L V6Special Price $4.99 Regular Price $6.99
- Walker Converter Rear Exhaust System Insulator for 2006-2011 Honda Civic 1.3L L4Special Price $5.26 Regular Price $7.99
- Walker Converter Rear Exhaust System Insulator for 2015-2017 Hyundai Sonata 2.4L L4Special Price $5.26 Regular Price $7.99
- Walker Converter Rear Exhaust System Insulator for 2007-2009 Lexus RX350 3.5L V6Special Price $5.26 Regular Price $7.99
- Walker Converter Rear Exhaust System Insulator for 2005-2008 Mercury Mariner 3.0L V6Special Price $5.26 Regular Price $7.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 1985-1988 Mitsubishi Mirage 1.6L L4Special Price $5.49 Regular Price $7.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 1984-1987 Plymouth Colt 2.0L L4Special Price $5.49 Regular Price $7.99
- Walker Converter Rear Exhaust System Insulator for 2009-2017 Buick Enclave 3.6L V6Special Price $7.76 Regular Price $10.99
- Walker Converter Rear Exhaust System Insulator for 2009-2015 Toyota Venza 3.5L V6Special Price $7.76 Regular Price $10.99
- Walker Converter Rear Exhaust System Insulator for 2009-2010 Saturn Outlook 3.6L V6Special Price $7.76 Regular Price $10.99
- 2 pc Walker Front Pipe Inlet Exhaust Pipe Flange Gaskets for 1995-1998 Toyota T100 3.4L V6Special Price $7.96 Regular Price $10.99
- Walker Converter Rear Exhaust System Insulator for 2009-2017 Chevrolet Traverse 3.6L V6Special Price $8.09 Regular Price $11.99
- Walker Converter Rear Exhaust System Insulator for 2010-2017 Chevrolet Equinox 2.4L L4Special Price $8.09 Regular Price $11.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 1996-1998 Jeep Grand Cherokee 4.0L L6Special Price $10.51 Regular Price $14.99
- Walker Front Pipe Inlet Exhaust Pipe Flange Gasket for 1993-1995 Jeep Wrangler 4.0L L6Special Price $10.89 Regular Price $15.99
- 2 pc Walker Converter Rear Exhaust System Insulators for 2009-2010 Pontiac Vibe 2.4L L4Special Price $10.91 Regular Price $15.99