Do Diesel Engines Suffer From Common Problems?

Yes, we here at CAR FIX see a handful of diesel engine problems that we fix all the time. These problems are something most diesel engines can suffer from if they are not cared for properly or operated regularly. If your diesel automobile hasn’t been serviced in a long time, bring it to our shop so we can check to make sure you don’t experience any of the following issues with your diesel engine.

Problems Starting the Engine

One telltale sign that your diesel engine needs to be serviced is if it is difficult to start all the time. It’s a well-known fact that diesel engines crank more than gasoline engines do before they start. This being said, the engine should fire up fairly rapidly and easily. If it doesn’t, it needs to be looked at.

Lack of Engine Power

If your diesel engine is having problems producing power, you may have an issue with the fuel delivery. Things that complicate the fuel delivery include clogged or leaking fuel injectors or a clogged fuel filter. The diesel engine may also lag if the throttle linkage is loose or there’s too much lubrication.

Contaminated Diesel Fuel

If the diesel fuel in the tank is contaminated with water, glycol, or soot, you will damage the engine if you drive your diesel automobile. Unfortunately, it’s easier for diesel fuel to get contaminated than it is for gasoline to get contaminated because diesel fuel is thicker. A fuel-system breach spoils the fuel.

Excess Black Exhaust

A diesel engine will produce black exhaust more readily than a gasoline engine will. This being said, you should never see a ton of exhaust exiting the tailpipe. If you do, there’s a rich fuel mixture in the combustion chamber that is burning excess diesel fuel. Causes include a faulty turbocharger.

Oil That Has Oxidized

If your diesel vehicle has not been driven in months, do not drive it. Rather, have it towed to our shop so we can make certain that the oil has not oxidized. Driving with oxidized oil will damage the diesel engine because the oil is filled with tiny air bubbles that impede its ability to lubricate and protect the engine.

Extreme Noise

Finally, if your diesel engine is louder than it normally is, you may have an issue with the fuel injectors or compression balance. The exhaust system could also be leaking. You never want to hear a ton of noise coming from your diesel engine or unusual noises such as knocking, squealing, or clanking.

CAR FIX in Tennessee has four auto service shops for your convenience. Call the shop closest to you, whether that’s our auto service shop in Oak Ridge, Maryville, Crossville, or Cookeville.

Photo by sergeyryzhov from Getty Images via Canva Pro

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