Polaris Laboratories has developed an extensive range of fuel testing that can confirm the quality of bulk deliveries and quickly resolve some of the most common issues that have the biggest monetary effect on fleet productivity. The company can customize test slates specific to a customer's goals and objectives. However, these new troubleshooting packages will identify most common problems, including contamination issues and possible causes for fuel filter plugging, smoking, loss of power, poor injector performance, malfunctioning throttle, sticking valves and position sensors.