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 Left Exhaust Manifold for 1988-1995 Chevrolet C3500 5.7L V8Special Price $132.83 Regular Price $135.54
- Dorman Exhaust Manifold for 2013-2015 Chevrolet Captiva Sport 2.4L L4Special Price $138.23 Regular Price $141.05
- Dorman Left Exhaust Manifold for 1999-2004 Ford Mustang 3.8L 3.9L V6Special Price $145.34 Regular Price $148.31
- Dorman Left Exhaust Manifold for 2005-2010 Ford F-250 Super Duty 5.4L V8Special Price $149.31 Regular Price $152.36
- Dorman Exhaust Manifold for 1998-2001 Nissan Frontier 2.4L L4Special Price $170.40 Regular Price $173.88
- Dorman Left Exhaust Manifold for 1977-1979 Ford LTD II 5.8L 6.6L V8Special Price $174.71 Regular Price $178.28
- Dorman Left Exhaust Manifold for 1977-1979 Ford Thunderbird 5.8L 6.6L V8Special Price $174.71 Regular Price $178.28
- Dorman Left Exhaust Manifold for 1975-1978 Mercury Marquis 5.8L 6.6L V8Special Price $174.71 Regular Price $178.28