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What are the symptoms of a broken turbocharger in a diesel vehicle?

4 Answers
JadeRose
07/29/25 12:21am

Symptoms of a broken turbocharger in a diesel vehicle: 1. The engine lacks turbocharging effect; 2. Prolonged operation leads to poor exhaust heat dissipation; 3. A sharp, screeching noise occurs when the engine is running; 4. Insufficient air intake into the combustion chamber, resulting in decreased power; 5. Pressing the accelerator increases black smoke emission without power gain. The turbocharger utilizes exhaust gases from the exhaust pipe to drive the turbine at high speed, simultaneously rotating the compressor impeller via the rotor shaft. The high-speed compressor impeller pressurizes the intake air, increasing the air density entering the cylinders and enhancing the diesel engine's power output. The turbocharger is a crucial component for boosting engine power and reducing exhaust emissions.

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DiQuinn
08/12/25 3:31am

The turbocharger on my diesel car is broken, and the symptoms are quite obvious: there's a significant drop in power when driving, it feels like stepping on empty gas when accelerating, and it struggles even more when climbing hills. The exhaust pipe emits thick black smoke, indicating incomplete combustion. There's also a constant high-pitched whistling or buzzing noise from the engine bay, which is really annoying. Fuel consumption has also skyrocketed—normally, it consumes only 10 liters per 100 kilometers, but now it's 2-3 liters more, which is hurting my wallet. After checking the manual, I found that turbocharger failures are mostly caused by seal leaks or bearing wear. I need to take it to a professional repair shop as soon as possible, otherwise the engine might overheat and get damaged, making the repair even more expensive.

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SanEli
10/01/25 7:18am

Having driven a diesel car for over a decade, the turbocharger has failed several times. The symptoms include the car feeling sluggish, with little response when stepping on the accelerator, especially during high-speed overtaking—it feels like crawling like a turtle. Going uphill is even more strenuous; what used to be a breeze now requires a laborious effort. The fuel consumption is alarmingly high, costing about 20% more than usual. The engine often makes a buzzing noise, making every drive a painful experience. This issue is likely due to turbo oil leaks or stuck blades and must be inspected and repaired immediately. Delaying repairs could even damage the engine.

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VanChristopher
11/15/25 2:17am

Supercharger failures are the most costly to deal with! The car's power becomes sluggish, acceleration feels like a snail, and even climbing a hill is a struggle. Fuel consumption skyrockets—what used to be a full tank lasting 500 kilometers now barely reaches 400, adding hundreds more to monthly expenses. Black smoke from the exhaust pollutes the environment and is just plain annoying to see. When it comes to repairs, you often need to replace the entire set of components, costing at least several thousand. I make it a habit to regularly inspect the supercharger system—it saves big money in the long run. Don’t wait until the problem gets serious to address it.

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