The Nissan fuel injectors play a large role in the smooth and efficient operation of your vehicle's engine. The Nissan fuel injectors are mounted on the intake manifold of the engine, positioned to spray a precisely measured amount of fuel directly into the intake valves. The amount of fuel emitted by the Nissan fuel injectors is carefully calculated to maintain the delicate balance of fuel and air that is necessary to provide a clean burn of fuel, which is crucial to efficient engine combustion. A proper balance in the fuel air mixture provides the best engine performance and power, keeping your vehicle running as it should. If any one of the Nissan fuel injectors fails to do its job as well as it should, becoming clogged or beginning to leak, the fuel air ratio can be thrown off, causing performance problems in the vehicle. Some of the issues that can develop include hard starting, increased consumption of fuel, excess exhaust emission, rough idling and hesitation with vehicle acceleration. The Nissan fuel injectors are very reliable components, generally performing well for a good many miles, but need good maintenance to do so. Changing the fuel filter regularly is very necessary in a system the uses Nissan fuel injectors to keep particles of debris out of the fuel that could clog the tiny fuel injector tips, disrupting their ability to dispense fuel to the engine. We carry a selection of quality Nissan fuel injectors in our online catalog, all at great prices. Ordering is fast and easy on our secure site, or our toll-free phone line is available to take your Nissan fuel injectors order just as conveniently.