Browse

Antiques Collectibles Apparel Baby Kids Items Books， Movies And Music Electronics Free Stuff Garden Outdoor Health Beauty Home Goods Home Improvement Supplies Musical Instruments Office Supplies Pet Supplies Sporting Goods Ticket Toys Games Transportation Others

Used Cars New Cars Others

Business Crafts Design And Web Events Home Improvement Legal Lessons Personal Pets Photography Repair And Technical Support Wellness Writing， Translation， And Transcription Others

Activities & Groups Artists & Musicians Classes & Lessons Events Friendship & Networking Lost & Found Rideshare Sports Teams Volunteers Travel & Travel Partners Skills & Language Swap Other

What is the displacement of the Audi 30TFSI?

1 Answers

JaydenFitz

07/29/25 2:14pm

The Audi 30TFSI has a displacement of 1.8T. FSI stands for Fuel Stratified Injection, and TFSI adds turbocharging to FSI, representing a turbocharged direct-injection stratified combustion engine. The number represents the vehicle's acceleration value, with 30 being the acceleration value. Since 2012, Audi has been using acceleration values instead of displacement for rear badging. This change is due to the increasing prevalence of new energy vehicles (such as hybrid and electric vehicles), where a single displacement can be tuned to different power outputs. Instead of naming models by displacement (e.g., 1.8T, 2.0T, 2.4), Audi now uses a number derived from the G-value of 0-100 km/h acceleration to represent the true power performance of a model. TFSI refers to a turbocharged (T) FSI engine. FSI is an acronym for Fuel-Stratified-Injection, meaning fuel stratified injection. This technology is part of the engine's lean-burn technology. The differences between Audi's FSI and TFSI engines are as follows: Different principles: The FSI engine uses an electronic chip to precisely control fuel injection into the cylinder for combustion, improving the fuel-air mixture ratio and thus engine efficiency. The TFSI engine uses high-temperature, high-pressure exhaust gases to drive a turbocharger, compressing intake air, while the computer increases fuel injection to match the denser air, improving engine efficiency without changing displacement. Different technologies: The FSI engine is a direct-injection engine using stratified combustion technology. The TFSI engine is a turbocharged direct-injection engine, combining the features of FSI and TSI engines. Different effects: FSI directly injects fuel into the combustion chamber, reducing engine heat loss, increasing output power, and lowering fuel consumption, benefiting both fuel economy and performance. The TFSI engine combines turbocharging and stratified combustion, incorporating the advantages of both FSI and TSI engines.

Was this review help?

11

4

Share

More Forum Discussions

Why is the Highlander's air conditioning not cooling?

Car air conditioning cools slowly after prolonged sun exposure due to the compressor protection device tripping. Below is more relevant information: 1. Causes and solutions for high pressure and overheating: (1) Excessive refrigerant. Appropriately reduce the refrigerant amount. (2) Poor heat dissipation. Check if the condenser tubes are dirty and clean the condenser. (3) Blockage in the pipeline system. Refer to the pressure gauge for diagnosis and resolution, then reprocess the system. (4) Dust and scale buildup on the evaporator or filter. Reduced airflow causes system pressure and temperature imbalance; clean the evaporator or filter. (5) Possible lack of refrigerant. When refrigerant is low, the compressor discharge temperature overheats, causing the thermal overload protection switch to trip. 2. Electrical issues: (1) Control circuit board malfunction. (2) Temperature sensor overload, leading to incorrect information. (3) Loose or poor contact in power wiring. (4) Burnt-out start capacitor or compressor start coil.

What are the main components of the piston connecting rod assembly?

The piston connecting rod assembly mainly consists of the piston, piston rings, piston pin, connecting rod, and connecting rod bearing shells. The piston connecting rod assembly converts the reciprocating motion of the piston into the rotational motion of the crankshaft, while transforming the force acting on the piston into the torque output by the crankshaft to drive the vehicle's wheels. It serves as the transmission component of the engine, transferring the pressure of the combustion gases to the crankshaft, causing the crankshaft to rotate and output power. Additional information: 1. The function of the piston. The primary role of the piston is to withstand the gas pressure in the cylinder and transmit this force to the connecting rod via the piston pin to drive the crankshaft's rotation. It transfers the pressure of the combustion gases to the crankshaft, enabling the crankshaft to rotate and output power. The top of the piston, together with the cylinder head and cylinder wall, forms the combustion chamber. 2. The composition of the piston. The piston is mainly composed of the top, head, and skirt. The shape of the piston top is related to the selected combustion chamber. Gasoline engine pistons typically feature a flat-top head, which offers the advantages of a small heat absorption area and simple manufacturing processes. Some pistons use a concave top to alter mixture formation, with the size of the concave area also adjustable to regulate the engine's compression ratio.

What is the difference between SL and SN grade engine oil?

The differences between SL and SN grade engine oil are introduced as follows: 1. Classification by quality grade. According to the API standard classification, from "SA" to "SP", each subsequent letter indicates an improvement in the oil's performance, surpassing the previous one. Currently, SP is the highest grade of engine oil, with SN being second only to SP. 2. In terms of performance. SN grade engine oil is of better quality than SL. 3. From a price perspective. Higher-grade oils are definitely more expensive, and SN grade is certainly more costly than SL grade. 4. In terms of characteristics. SN grade engine oil mainly improves in terms of high-temperature cleanliness. In comparison, SL grade oil does not have very high high-temperature cleanliness, and the SL grade does not have strict requirements on phosphorus content, only requiring it to be no higher than 0.1%. Turbocharged engines have very high requirements for engine oil, making SN grade oil more suitable for them.

How to Prevent Mice from Entering the Car

Here are methods to prevent mice from entering the car: 1. Regularly inspect the grille outside the air conditioning vents and repair any damage promptly. 2. When parking, try to stay away from areas frequented by mice, such as garbage bins. 3. Remember to close the door immediately after getting in or out of the car. 4. Avoid leaving snacks like melon seeds, peanuts, or potato chips in the car frequently. 5. Open the hood regularly to check for signs of mice activity in the engine compartment. 6. Inspect the air filter once a month. If there are mouse droppings, urine odor, or leftover food particles, replace the air filter and install a specialized car rodent-proof net. Here are some precautions: 1. Do not use poison. 2. If signs of mice are found, take action immediately.

17-inch Wheel and Tire Compatibility Chart?

17-inch wheel and tire compatibility chart is as follows: The specification of a tire consists of several parts, for example, 215/50/1784V, where 215 is the tire width, 50 is the aspect ratio, 17 indicates the wheel diameter of 17 inches, 84 is the load index, and V is the speed rating. Additional information about tires is as follows: 1. Tire Specifications; Tire specifications are commonly represented by a set of numbers, where the first number indicates the tire section width, and the latter indicates the rim diameter in inches. For example, 165/70R14 represents a radial tire with a width of 165 millimeters, an aspect ratio of 70, and a rim diameter of 14 inches. 2. Special Meanings of Letters on Tires; Some tires may contain other letters or symbols with special meanings: "X" indicates a high-pressure tire; "C" indicates a reinforced type; "B" indicates a bias-ply tire; "-" indicates a low-pressure tire. M and S are abbreviations for Mud and Snow respectively, indicating that the tire is suitable for use on snowy, icy, and muddy roads. Some tires have arrows or the word OUTERSIDE marked on the sidewall, indicating the rotation direction of the tire.

Can Odometer Tampering Be Detected in Used Cars?

Yes, it can be detected. Here are precautions for purchasing used cars: 1. Don't trust verbal assurances from salespeople: The biggest concern when buying a used car is encountering misrepresented vehicle conditions. Salespeople often use personal reputation as collateral to alleviate consumer concerns, which may cause buyers to lower their guard. However, such verbal guarantees are unenforceable. Therefore, all agreements should be documented in writing. 2. Pay attention to used car policies: Currently, the used car market is dominated by National IV standard vehicles. While most regions have lifted restrictions on used car transfers, some areas still prohibit the registration or transfer of vehicles below current emission standards. Be aware of local used car policies and the emission standards of your intended purchase. 3. Verify document completeness: Incomplete documentation affects vehicle transfer. Generally required documents include: vehicle registration certificate, purchase tax payment certificate, sales invoice, and vehicle license. These documents must all be complete to process the transfer. 4. Complete transfer procedures promptly: Signing a contract and making payment only grants vehicle usage rights. The registered ownership remains unchanged until the transfer is completed at the vehicle management office, which constitutes full ownership.

Trending Ranking

Does the Sylphy have a particulate filter?

How to Use a Car Tire Pressure Monitor Gauge?

What Causes the Sunroof Rattle in a Corolla?

Where is the air conditioning filter of BYD Song MAX located?

How to Open the Fuel Tank Cap of an Older Toyota Highlander?

What engine is installed in the Wuling Hongguang?

How to Turn on the Air Conditioning in the 2020 Sylphy Delight Edition?

Where is the Langua Fuse Box Located?

How to activate the voice function in Changan CS75?

How often should the transmission fluid be changed in a Volkswagen Lavida?

More Forum Discussions

What level of car is the Changan Yuexiang?

Motorcycle Top Speed Record?

What are the reasons for the malfunction of the rearview mirror adjustment button?

What causes the rattling sound when braking at low speeds?

Help

Cookie

Cookie Settings

© 2025 Servanan International Pte. Ltd.