Diesel Smoke Diagnostics

Diesel Smoke Diagnostics

There are numerous reasons a diesel engine can emit excessive smoke, from defective valves/injectors, to worn down piston rings or cylinders.  Thankfully, the color of smoke emitted can assist in diagnosing the problem. Varying from case to case, a diesel engine may emit blue, white or black smoke.  In the case your diesel engine is emitting any color of excessive smoke, let our expert staff perform an excessive smoke diagnosis. Our team will identify the root cause of your engine’s smoke, and we’ll assist in fixing the problem.

When you take your vehicle to our expert team, we can check up on if the fuel is burning properly, and check the current state of the oil in the engine.  Our staff are eager and willing to diagnose the potential root causes of the excessive smoke. Our team fully understands the connection between the engine’s problem, and the color of smoke emitted.  With that knowledge, we can expertly identify the exact problem with your vehicle. We’re ready to assist in getting you back on track with a properly functioning diesel engine, no matter the issue.



Diesel engines are built to last a long time.  However, diesel engines come with their own set of challenges, which makes it critically important that you maintain the engine properly.

Diesel engines get very hot due to the compression process that ignites the fuel. Furthermore, diesel engines use glow plugs, rather than spark plugs that you find in non-diesel engines. Glow plugs also heat up rapidly to get the diesel engine working faster.

This just means you need to make sure your diesel engine is working at it's top efficiency so you get great gas mileage.  A poorly maintained diesel engine will burn more fuel, and likely not last as long.

Call Us: 503-770-8787

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BG Diesel Fuel System Service


  • Removes deposits from the fuel injectors
  • Cleans soot-black deposits from fuel filter
  • Prevents component corrosion
  • Cleans stubborn oil deposits


  • Restored fuel economy
  • Improved power and performance
  • Reduced emissions
  • Improved accelerator response

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