Saab fuel injectors are created with the same attention to efficiency in function and design that Saab vehicles have carried with them from the very first Saab, which was designed and built by aeronautical engineers. The company that created the Saab, known the world over for dependable, high quality performance and exceptional safety standards, first made airplanes, including powerful fighter jets that contributed to the Allies winning WW II. And, then, like today, Saab makers understood the importance of precise systems balancing and the need to make parts, like Saab fuel injectors, that are well made and long lasting, able to be depended upon to perform their role in maintaining the balance and function of the Saab engine. Maintenance is the key to continuing to be able to depend on the Saab for superior performance, and your Saab fuel injectors have a key role in the function of your fuel system and other associated systems and parts in your vehicle. Your Saab fuel injectors should be visually inspected frequently, and what you'll be looking for is any sign of fuel leakage around the injectors or seals. If you see moisture, touch a white paper towel or napkin to the dampness and look at the color. Smell the substance. If it turns out to be fuel, it is time to consider changing your Saab fuel injectors. It never pays to put off changing your Saab fuel injectors if they are in need of replacement. You risk damaging the parts and systems that rely on the performance of your Saab fuel injectors and comprise the system balance so essential to the fine performance that makes Saab famous.