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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- Gates Crankcase Breather Cap for 1953-1964 Ford F-100 3.9L 4.4L 4.8L V8Special Price $6.01 Regular Price $8.99
- Gates Crankcase Breather Cap for 1967 Mercury Cougar 4.7L 6.4L V8Special Price $6.01 Regular Price $8.99
- 2 pc Walker Muffler Assm Exhaust System Insulators for 2003-2019 Toyota Corolla 1.8L L4Special Price $11.30 Regular Price $15.99
- MotoRad Crankcase Breather Cap for 1955-1966 Pontiac Star ChiefSpecial Price $4.81 Regular Price $6.99
- MotoRad Crankcase Breather Cap for 1960-1967 Dodge D100 SeriesSpecial Price $5.72 Regular Price $7.99
- Gates Crankcase Breather Cap for 1960-1965 International AB140 3.6L 3.9L L6Special Price $6.01 Regular Price $8.99
- Gates Crankcase Breather Cap for 1962-1965 Dodge 880 5.9L 6.3L 6.7L 6.8L 7.0L V8Special Price $6.01 Regular Price $8.99
- Gates Crankcase Breather Cap for 1941-1967 Chrysler Town & Country 4.0L 4.1L 5.3L 5.4L 5.8L 5.9L 6.3L 6.4L 6.7L 7.0L 7.2L L6 L8 V8Special Price $6.30 Regular Price $8.99
- Gates Crankcase Breather Cap for 1957-1968 Pontiac Bonneville 5.7L 6.1L 6.4L 6.6L 6.9L 7.0L V8Special Price $6.30 Regular Price $8.99
- Gates Crankcase Breather Cap for 1946-1949 Chrysler Royal Series 4.1L L6Special Price $6.30 Regular Price $8.99
- Gates Crankcase Breather Cap for 1963 Ford 300 3.6L L6Special Price $6.30 Regular Price $8.99
- Gates Crankcase Breather Cap for 1961-1967 Pontiac Tempest 3.2L 3.5L 5.3L L4 L6 V8Special Price $6.30 Regular Price $8.99
- Walker Front Pipe Exhaust System Insulator for 2009-2014 Acura TSX 2.4L L4Special Price $6.86 Regular Price $9.99
- 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
- 2 pc Walker Y-Pipe Exhaust System Insulators for 2000-2005 Chevrolet Monte Carlo 3.8L V6Special Price $16.95 Regular Price $23.99
- 2 pc Walker Exhaust System Insulators for 1995-2010 Dodge Ram 2500 5.2L 5.9L 6.7L L6 V8Special Price $16.95 Regular Price $23.99
- 3 pc Walker Exhaust System Insulators for 2010-2013 Toyota Tundra 4.6L 5.7L V8Special Price $17.33 Regular Price $24.99
- MotoRad Crankcase Breather Cap for 1959-1967 Pontiac BonnevilleSpecial Price $4.54 Regular Price $5.99
- MotoRad Crankcase Breather Cap for 1962-1967 Pontiac Grand PrixSpecial Price $4.54 Regular Price $5.99
- MotoRad Crankcase Breather Cap for 1967-1968 GMC K15 K1500 SuburbanSpecial Price $4.54 Regular Price $5.99
- MotoRad Crankcase Breather Cap for 1965-1967 Ford GalaxieSpecial Price $4.54 Regular Price $5.99
- MotoRad Crankcase Breather Cap for 1959-1967 Buick ElectraSpecial Price $4.54 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 Exhaust System Insulator for 2006-2011 Hyundai Accent 1.6L L4Special Price $4.99 Regular Price $6.99
- Walker Exhaust System Insulator for 2011-2017 Dodge Journey 3.6L V6Special Price $4.99 Regular Price $6.99
- Walker Muffler Assm Exhaust System Insulator for 1999-2001 Lexus ES300 3.0L V6Special Price $5.26 Regular Price $7.99
- Walker Int Pipe Exhaust System Insulator for 1983-1985 Toyota Celica 2.4L 2.8L L4 L6Special Price $5.26 Regular Price $7.99
- Walker Exhaust System Insulator for 1989-1994 Nissan 240SX 2.4L L4Special Price $5.26 Regular Price $7.99
- Walker Resonator Assm Exhaust System Insulator for 2007-2009 Saturn Aura 3.5L 3.6L V6Special Price $5.26 Regular Price $7.99
- Walker Resonator Assm Exhaust System Insulator for 2008-2015 Scion xB 2.4L L4Special Price $5.26 Regular Price $7.99
- Walker Exhaust System Insulator for 1989 Ford LTD Crown Victoria 5.0L V8Special Price $5.26 Regular Price $7.99
- Walker Muffler Assm Left Exhaust System Insulator for 2005 Subaru Legacy 2.5L H4Special Price $5.26 Regular Price $7.99
- Walker Exhaust System Insulator for 2010-2013 Kia Forte Koup 2.0L 2.4L L4Special 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 Exhaust System Insulator for 1999-2002 Mazda Miata 1.8L L4Special Price $5.26 Regular Price $7.99