What Causes Engine Shaking When Accelerating in a Diesel Vehicle?
3 Answers
When accelerating, the engine shaking in a vehicle may be caused by faulty spark plugs, abnormal engine oil quality, unbalanced tires, etc. Below is a detailed introduction about automotive engines: Overview: The automotive engine is the device that provides power to the vehicle, determining its power performance, fuel economy, stability, and environmental friendliness. Depending on the power source, automotive engines can be classified into diesel engines, gasoline engines, electric motors for electric vehicles, and hybrid systems, among others. Additional Information: Common gasoline and diesel engines are both types of reciprocating piston internal combustion engines, capable of converting the chemical energy of fuel into mechanical energy for piston movement and delivering power output. Gasoline engines have higher rotational speeds, lighter weight, lower noise levels, easier starting, and lower manufacturing costs. Diesel engines have higher compression ratios, greater thermal efficiency, and better fuel economy and emission performance compared to gasoline engines.
My diesel car sometimes shakes when I accelerate, and I've experienced this several times. It's usually due to issues with the fuel system, such as clogged injectors preventing even fuel spray, leading to incomplete combustion and engine vibration. Another possibility is a dirty air filter restricting airflow and causing an imbalance in the air-fuel mixture. I've checked it myself—first try replacing the filter or cleaning the fuel pump connections. If that doesn't work, pay attention to sensors, like a faulty position sensor affecting ignition timing. Additionally, worn or damaged engine mounts can also cause vibrations. Regular maintenance is recommended, including changing the oil filter and keeping the fuel system clean. Addressing the issue early can prevent bigger problems; delaying may worsen the shaking and damage more parts. In short, don't wait until the car shakes severely to get it fixed.
The car shaking during acceleration is really annoying. I had a diesel car that had this issue before. It's mainly due to fuel system malfunctions; clogged fuel injectors can cause uneven combustion, or insufficient fuel pressure may lead to inadequate fuel supply. On the air intake side, leaks in the intake pipe or a stuck turbo can also cause trouble. I remember last time when it shook, I found out it was a blown fuse affecting the electrical control. If sensors like the crankshaft position sensor are out of alignment, they can also trigger shaking. A simple approach is to first check basic components, such as cleaning the fuel pump or replacing the filter, without needing complex tools. If the problem persists, it's necessary to take it to a workshop to diagnose the fault codes with equipment. For safety, the car becomes unstable when shaking, especially at high speeds, so I suggest not delaying and getting it fixed promptly. In terms of maintenance, regular servicing can prevent issues before they arise.
