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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- Fel-Pro Right Exhaust Pipe Flange Gasket for 2007-2013 Cadillac Escalade EXT 6.2L V8Special Price $8.78 Regular Price $12.99
- Fel-Pro Right Exhaust Pipe Flange Gasket for 2007 GMC Sierra 1500 Classic 4.3L 4.8L 5.3L V6 V8Special Price $9.13 Regular Price $12.99
- Walker Right Exhaust Clamp for 1973-1974 GMC K15 K1500 Pickup 5.7L V8Special Price $3.71 Regular Price $4.99
- Walker Right Exhaust Clamp for 1979-1992 Cadillac Eldorado 4.9L 5.7L 6.0L V8Special Price $3.71 Regular Price $4.99