Gas caps that don't properly seal the system, corroded or damaged fuel tanks, and electrical faults in fuel sending units cause unwanted engine problems. Besides a drop in performance, minor faults can cause problems in other parts too. Contaminated fuel in dirty tanks clogs up Fuel Filters, lowers pressure in the pump and injectors, and causes incorrect air to fuel ratios. You'll soon notice something wrong with other parts. Throttle Bodies are particularly sensitive to changes in fuel delivery from faulty Fuel Injection Components, and will mess up how the car reacts with the gas pedal down.
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Dorman Fuel Filler Neck for 1999-2004 GMC Sierra 1500 4.3L 4.8L 5.3L 6.0L V6 V8Special Price $77.01 Regular Price $78.59
- Dorman Fuel Filler Neck for 1999-2004 GMC Sierra 1500 4.3L 4.8L 5.3L 6.0L V6 V8Special Price $77.01 Regular Price $78.59
- Dorman Fuel Filler Neck for 1999-2004 Chevrolet Silverado 1500 4.3L 4.8L 5.3L 6.0L V6 V8Special Price $77.01 Regular Price $78.59
- Dorman Fuel Filler Neck for 1999-2003 Chevrolet Silverado 2500 5.3L 6.0L V8Special Price $77.01 Regular Price $78.59
- Dorman Fuel Filler Neck for 1999-2002 GMC Sierra 2500 5.3L 6.0L V8Special Price $77.01 Regular Price $78.59
- Dorman Fuel Filler Neck for 2001-2003 GMC Sierra 2500 HD 6.0L 8.1L V8Special Price $77.01 Regular Price $78.59
- Dorman Fuel Filler Neck for 2001-2003 Chevrolet Silverado 1500 HDSpecial Price $77.01 Regular Price $78.59
- Dorman Fuel Filler Neck for 1994-1997 Dodge Ram 3500 5.9L L6Special Price $90.03 Regular Price $91.87
- Dorman Fuel Filler Neck for 2002-2004 Chevrolet TrailblazerSpecial Price $110.80 Regular Price $113.06
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- Dorman Fuel Filler Neck for 1997-2002 Ford E-150 EconolineSpecial Price $136.94 Regular Price $139.73
