excessive smoke diagnostic

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An excessive smoke diagnostic helps identify problems causing abnormal smoke from your diesel engine. Different smoke colors can indicate different issues. Black smoke often points to fuel combustion problems, blue smoke may indicate burning oil, and white smoke can signal unburned fuel or injector issues.

Common causes of excessive smoke include faulty fuel injectors, worn piston rings, damaged valves, poor fuel quality, or engine oil entering the combustion chamber. Identifying the problem early can help prevent serious engine damage.



At University Motor Werks LLC, our technicians perform detailed diesel smoke diagnostics to determine the cause of the smoke and recommend the proper repair to restore engine performance.

Service Areas: Scottsdale, AZ | Tempe, AZ | Phoenix, AZ | Surrounding Areas