Smoke can also be the direct result of poor fuel quality or improper truck operation. Smoke comes in several different forms, including dark black, blue, and white. Proper maintenance at manufacturer-recommended intervals should easily detect, repair, and prevent these problems, while assuring that you truck is in the best operating condition. Clean Excessive smoke emissions can also be caused by poor driving technique. Common misconceptions about smoke and power are often the cause of tampering with engine emission controls.
More smoke comes at a cost.
Tampering with or disabling any component of an emissions control system is a direct violation of federal law. A number of states and regions have begun conducting roadside diesel emissions enforcement programs. These tests are designed to identify trucks that are excessive emitters of diesel smoke. It involves rapidly depressing the throttle until the engine reaches maximum governed speed, at which time the smoke is measured at the end of the exhaust pipe by a meter. Many diesel engine repair facilities and dealerships are now equipped to perform smoke inspections on your truck at minimal expense.