Diesel engines are the workhorses of the transportation industry, especially in semi trucks. They are built for endurance and efficiency, but like any mechanical system, they can eventually develop issues. Recognizing the early signs of trouble can save money and prevent breakdowns. At Kaos Truck & Trailer Repair, we provide expert mobile big rig repair in the greater Las Vegas, NV area. Here’s a look at four warning signs of a diesel engine problem in your semi truck.

Decreased Fuel-Efficiency

Diesel engines are known for their fuel economy, so if a semi-truck is consuming more fuel than usual, it could be a sign of issues such as a dirty fuel filter, failing fuel injectors, or problems with the turbocharger. Decreased fuel-efficiency not only affects operating costs, but also indicates that the engine is not running at its optimal performance, potentially leading to more significant problems if not addressed promptly.

Difficulty Starting the Engine

Diesel engines are designed to start reliably, even in cold conditions. If a semi-truck experiences difficulty starting, it can be an indicator of multiple potential problems. Common culprits include faulty glow plugs, which are essential for starting in cold weather, or a weak battery that fails to provide the necessary power. Also, issues with the fuel delivery system, such as a failing fuel pump, can prevent the engine from starting smoothly. Starting problems should be investigated promptly to avoid being stranded.

Loss of Power and Performance

A loss of power and overall performance can indicate several diesel engine issues. If a truck struggles to accelerate, maintain speed, or climb hills, it might be due to a clogged fuel filter or malfunctioning turbocharger. Addressing power loss early can help prevent bigger engine issues and ensure the truck remains capable of handling heavy loads across long distances.

Unusual Engine Noises

Unusual noises should be promptly investigated. Knocking sounds often indicate timing issues, while hissing can suggest a leak in the turbocharger. Identifying and addressing unusual noises early can prevent minor issues from escalating into major repairs.

Mobile Semi Truck Repair in Southern Nevada

When you need mobile semi truck repair in Las Vegas, NV and the surrounding area, contact Kaos Truck & Trailer Repair at (844) 219-0633. We’ll show up ASAP to get you back on the road!