Why Does My 6.7 Powerstroke Feel Sluggish? This is a common question among Powerstroke owners, A sluggish feeling in a 6.7 Powerstroke engine could be caused by several factors like clogged or dirty fuel filters. If your 6.7 Powerstroke feels sluggish, it could be due to various factors. Over time, Fuel Filters can become clogged with debris, restricting the flow of fuel to the engine, and this can result in reduced power and sluggish performance. Another Issue that come up is Why Does My 6.7 Have Low Boost? A dirty Air Filter can restrict the airflow into the engine enough that in can result in reduced power. Issues with the exhaust system, such as Exhaust Manifold Leaks or a restricted catalytic converter or faulty Diesel Particulate Filter, can also affect engine performance. How Do I Know If My Powerstroke Turbo is Bad? To determine if your Powerstroke turbo is bad, watch out for signs such as power loss, excessive smoke (black, white, or blue), and strange noises like whining or grinding. These symptoms may indicate turbocharger problems. If you are experiencing any of these issues give us a call and we would be happy to help you out.