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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- Walker Int Pipe Right To Muffler Assm Front Exhaust Clamp for 2001-2003 Infiniti QX4 3.5L V6Special Price $3.58 Regular Price $4.99
- Walker Int Pipe Right To Muffler Assm Front Exhaust Clamp for 2001-2004 Nissan Pathfinder 3.5L V6Special Price $3.58 Regular Price $4.99
- Walker Tail Pipe To Spout Exhaust Clamp for 2002-2005 Mercury Mountaineer 4.0L 4.6L V6 V8Special Price $4.23 Regular Price $5.99
- Walker Tail Pipe To Spout Exhaust Clamp for 1991-1996 GMC G3500 7.4L V8Special Price $7.44 Regular Price $10.99