Many drivers know that diesel vehicles offer great benefits, like fuel efficiency and power, but—like all vehicles—they can also develop problems.
Some common problems diesel vehicle owners may face include issues with glow plugs, fuel injectors, and turbochargers. They may also have noticed problems with the diesel particulate filters, electrical systems, and fuel pollution.
To keep your diesel vehicle running smoothly, it’s essential to have regular maintenance, get timely repairs, and seek help from a professional mechanic when needed. By taking good care of your diesel vehicle, you can enjoy the benefits of owning it for years. Regular maintenance and timely repairs are the best course of action to effectively prevent or address problems with your diesel vehicle.
Common Problems With Diesel Vehicles
Diesel vehicles have gained popularity because of their fuel efficiency and torque. However, like any other type of vehicle, diesel vehicles are not immune to problems.
Glow Plug Failure
Glow plugs are crucial for diesel engines, as they heat the combustion chambers to ensure easy ignition. However, glow plugs can fail over time due to excessive wear and tear. Symptoms of glow plug failure include difficulty starting the engine, rough idling, and excessive smoke emission. If you suspect a glow plug issue, it is recommended to take your vehicle to a qualified mechanic who can inspect and replace the faulty glow plugs if necessary.
Injector Problems
Fuel injectors give precise amounts of fuel to the combustion chambers of diesel engines. Over time, these injectors can become clogged or malfunction, leading to poor engine performance, decreased fuel efficiency, and increased emissions. If you notice a decrease in power or fuel economy, it is recommended to have your fuel injectors cleaned or replaced by a professional.
Faulty Turbocharger
A turbocharger plays a big role in boosting the performance of a diesel engine. However, it is common for a turbocharger to develop problems over time. Some common signs of a faulty turbocharger include a decrease in power, a loud screeching noise, excessive smoke, or oil leaks. If you notice any of these symptoms, it’s best to ask a mechanic to diagnose the issue. They can repair or replace the turbocharger as needed.
Diesel Particulate Filter (DPF) Blockage
The DPF is meant to catch and remove harmful particles from diesel exhaust gasses. However, the DPF can become clogged with soot and other debris, leading to reduced performance and increased fuel consumption. Regular maintenance can help prevent blockages. If the DPF becomes severely blocked, it may need to be professionally cleaned or replaced.
Electrical System Issues
Diesel vehicles rely on a complex electrical system to operate certain parts, including the fuel injection system, glow plugs, and sensors. Electrical system problems can show themselves in many ways, such as trouble starting the engine, periodic power loss, or problems with dashboard lights. It’s recommended to consult a qualified auto electrician who can diagnose and repair any issues.
Fuel Contamination
Contaminated fuel can cause severe damage to a diesel engine. Common things that can cause this problem include water, dirt, or sludge, which can clog the fuel filters, injectors, and other components. Symptoms of fuel contamination include rough running, reduced power, and increased smoke emissions. Regularly replacing fuel filters and using high-quality, clean diesel fuel can help prevent fuel contamination issues.
Engine Overheating
Diesel engines create a considerable amount of heat during operation, and if the cooling system isn’t working correctly, the engine can overheat. Overheating can damage critical engine parts and lead to engine failure. Signs of engine overheating include the temperature gauge in the red zone, steam coming from under the hood, or a sweet smell of coolant. If your engine overheats, it’s important to stop the vehicle and get help from a professional mechanic.
Get Quality Diesel Vehicle Services in Jonesboro, AR
Diesel vehicles give owners many benefits but can also experience common problems. Regular maintenance, timely repairs, and prompt attention to any issues can help ensure the longevity and reliability of your diesel vehicle. By paying attention to these common problems and taking the necessary action, you can enjoy the benefits of owning a diesel vehicle for years. If you do run into problems along the way, however, you can count on Wewerized Diesel to give you the repairs and support you need. Contact us today at 870-457-5972 for more information.



