What are the symptoms of turbocharger failure?

1 Answers
DiCamille
07/29/25 8:45am
Turbine failure symptoms include: 1. Blue or white smoke from the exhaust pipe; 2. Decreased power; 3. Increased fuel consumption; 4. Increased oil consumption; 5. Metal friction sounds; 6. Oil leakage in the turbo intercooler pipes; 7. Engine oil entering the intake pipe. Turbocharging is a technology that uses exhaust gases from internal combustion engines to drive air compressors. Causes of turbocharger failure include: 1. Insufficient lubricating oil pressure and flow; 2. Debris or sediment entering the lubrication system, causing oil oxidation and deterioration; 3. Clogged turbocharger oil return pipe, leading to excessive oil accumulation in the intermediate support of the rotor assembly, which then flows along the rotor shaft into the compressor impeller.
Was this review help?
2
1
Share
More Forum Discussions

What is the automobile import tax rate?

Since July 1, 2018, the import duty for complete vehicles is 15%, and the import duty for auto parts is 6%. Below is relevant information about import taxes: Relevant regulations: According to the "Announcement of the Customs Tariff Commission of the State Council on Reducing Import Tariffs for Complete Vehicles and Auto Parts" "To further expand reform and opening up, promote supply-side structural reform, facilitate the transformation and upgrading of the automobile industry, and meet the consumption needs of the people, import tariffs for complete vehicles and auto parts will be reduced starting from July 1, 2018. Introduction to automobile import taxes: The tariff rates for 135 tariff lines of complete vehicles with a 25% rate and 4 tariff lines with a 20% rate will be reduced to 15%. The tariff rates for 79 tariff lines of auto parts with rates of 8%, 10%, 15%, 20%, and 25% will be reduced to 6%. For specific tariff items and rate adjustments, please refer to the appendix.
14
3
Share

How to Use Car Air Conditioning?

Here are the methods for using car air conditioning: 1. Press the AC button; turn on the fan switch, rotate the temperature control knob to the blue side for cold air, adjust the fan speed, and set the temperature; 2. Rotate the temperature control knob to the red side, turn on the fan switch for hot air. 3. Generally, the blue button on the left side of the car represents cold air, while the red one represents warm air, and the middle one represents moderate temperature. Additional information: 1. The car air conditioning system is a device that cools, heats, ventilates, and purifies the air inside the compartment, providing a comfortable environment for passengers, reducing driver fatigue, and improving driving safety. The air conditioning system has become one of the indicators to measure whether a car is fully equipped. 2. The air conditioning system needs to be cleaned and disinfected regularly, otherwise, many bacteria may breed inside the system, which can affect the health of the occupants. If the air conditioning system is not cleaned for a long time, it may produce odors when turned on. The air conditioning filter also needs to be replaced regularly; if not replaced for a long time, it may affect the performance of the air conditioning. When replacing the refrigerant, it is necessary to go to a professional shop and use professional equipment for replacement.
6
1
Share

What causes high idle speed in Chery X1?

Common faults that cause high idle speed in cars include throttle valve sticking or not closing properly, idle control valve failure, coolant temperature sensor failure, intake system air leakage, and faults in the air conditioning switch or power steering pressure switch. Idle control valve failure: The normal idle speed of an electronic fuel injection engine is determined by the idle control valve. The electronic control unit calculates signals from engine speed, temperature, throttle valve switch, and air conditioning switch, then adjusts the idle control valve to open the intake bypass channel or directly increase the throttle opening to boost air intake and raise the engine's idle speed. If oil contamination or carbon deposits cause the idle control valve to stick or the throttle valve to fail to close properly, the electronic control unit cannot accurately regulate the engine's idle speed. Intake system air leakage: Normally, the intake air volume must be strictly controlled. If there is an air leak in the intake pipe, the air flow sensor cannot measure the actual intake air volume, leading to inaccurate control by the electronic control unit and resulting in unstable idle speed.
11
2
Share

Where to Turn Off the Elantra ECO Mode?

The Elantra's ECO mode can be controlled via the DRIVE MODE button located on the right side of the steering wheel, which allows switching the vehicle's driving modes and also serves as the ECO switch. Below is an introduction to ECO: 1. The name ECO is derived from the synthesis of Ecology, Conservation, and Optimization. 2. Since its inception, it has been designed with the fundamental principles of technology, environmental protection, and economy in mind. These three attributes have become the enduring qualities pursued by the ECO intelligent engine family series. Here are the main principles of the ECO mode: 1. Primarily, during vehicle movement, it comprehensively evaluates and analyzes factors affecting fuel consumption, such as automatic transmission gear position, engine speed, vehicle speed, braking, and transmission oil temperature. The ECU control unit calculates the optimal fuel quantity to supply the engine for operation, effectively reducing fuel consumption compared to normal driving modes. 2. It controls the engine speed through appropriate gear selection to minimize unnecessary fuel consumption. The ECO mode mainly functions during vehicle movement through computer-controlled operations. Therefore, it does not operate during idle stops, in N or P gear positions, or in manual mode.
13
1
Share

What is the range of the EU7?

Beijing EU7 has an NEDC comprehensive range of 475km. It is equipped with a permanent magnet synchronous motor with a maximum power of 160kW (217Ps). Introduction to the Beijing EU7: Exterior Design: The new car adopts a closed grille, with a dot-matrix design added to the front bumper. The side and rear profiles of the BAIC New Energy EU7 largely follow the fuel-powered version, with a thick chrome strip connecting the taillights. Additionally, the decorative elements on the rear bumper differ from the fuel version, creating a cohesive look with the front fascia. In terms of dimensions, it measures 4805/1835/1528mm in length, width, and height, with a wheelbase of 2785mm. Interior: The BAIC New Energy EU7 features the latest design language, with a large floating central display screen that stands out and integrates the multimedia system. Chrome accents are added to the dashboard area and steering wheel, enhancing the refined visual appeal. Powertrain: The BAIC New Energy EU7 is powered by a permanent magnet synchronous motor with a maximum power of 160kW (217Ps), paired with a ternary lithium battery. Its NEDC comprehensive range is 451km.
3
3
Share

How to Adjust the Sensitivity of Electronic Throttle in Cars?

Electronic throttle can be equipped with an electronic throttle booster or modified ECU. For ECU modification, specialized software is required, and it's best not to use pirated software to avoid potential risks. Installing an electronic throttle booster does not affect the normal use of the vehicle. The output values of an electronic throttle booster are usually within the engine's rated power and will not cause any harm to the car. The electronic throttle booster can amplify the throttle signal and improve static response. The so-called 'acceleration' of an electronic throttle booster is mainly achieved by increasing the throttle response sensitivity. This means that the last 33% of the throttle signal from the pedal is no longer useful at any time. When the driver presses the pedal to 66%, the booster's output is already at full throttle, thereby increasing the throttle response sensitivity by 50%. Essentially, the throttle signal is adjusted continuously, changing from the previous 1:1 ratio to 1:1.x, where x is the signal amplification coefficient. It can also amplify the throttle signal speed to enhance dynamic response. When the throttle pedal is pressed, the booster calculates the rate of change of the throttle signal based on the depth and speed of the pedal press. The faster the change, the stronger the acceleration demand. The throttle booster will increase this rate of change, ultimately achieving better dynamic response in acceleration.
4
3
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.