What are the reasons for the sudden increase in fuel consumption of the Audi Q5L?

1 Answers
GraceFitz
07/29/25 5:59pm
Audi Q5L's sudden increase in fuel consumption can be attributed to the following reasons: Tire width: Generally, the tires that come with a vehicle from the factory are reasonably selected based on factors such as the vehicle's weight and displacement. Wider tires have a larger contact area with the ground, leading to greater friction resistance and naturally higher fuel consumption. Tire tread pattern: Every tire brand has its own tread pattern series, designed with multiple considerations in mind, among which fuel efficiency is one of the most important. Tread patterns can be broadly categorized into three types: off-road, sport, and comfort/quiet. Off-road tires have larger tread patterns, suitable for driving on rough terrains like gravel, resulting in the highest fuel consumption. Sport tires generally emphasize grip, with wider tread surfaces for better control, leading to moderate fuel consumption. Comfort/quiet tires have finer and smoother tread patterns, thus offering the lowest fuel consumption. Spark plugs: The ignition strength of spark plugs plays a crucial role in the complete combustion of gasoline. If spark plugs have been used for a long time, their ignition energy decreases, causing incomplete combustion in the vehicle and an increase in fuel consumption. Therefore, general spark plugs need to be replaced after 20,000 to 30,000 kilometers of use.
Was this review help?
14
1
Share
More Forum Discussions

Is XPeng a Domestic or Joint Venture Brand?

XPeng is a domestic brand, an independent company specializing in the production of pure electric vehicles. XPeng's vehicle lineup includes models such as the XPeng P7 and XPeng G3. The XPeng P7 is a mid-size pure electric sedan with a wheelbase of 2998 mm, and dimensions of 4880 mm in length, 1896 mm in width, and 1450 mm in height. The P7 is available in rear-wheel drive and all-wheel drive configurations, with the all-wheel drive version featuring dual motors and the rear-wheel drive version equipped with a single motor. All XPeng P7 models use ternary lithium batteries, which offer higher energy density and lighter weight. Most pure electric vehicles and plug-in hybrid vehicles utilize ternary lithium batteries. The front suspension of the XPeng P7 employs a double-wishbone independent suspension, while the rear suspension uses a multi-link independent suspension.
17
2
Share

What to Do About Car Pulling to One Side and Misaligned Steering Wheel?

Solutions for car pulling to one side and misaligned steering wheel: Take the car to a 4S shop for a four-wheel alignment and correct it based on the inspection results. Four-wheel alignment is based on the four-wheel parameters of the vehicle, adjusting them to ensure good driving performance and a certain level of reliability. The following is an introduction to four-wheel alignment: 1. Definition and principle of four-wheel alignment: Four-wheel alignment is a maintenance procedure that adjusts the geometric angles of tires, steering, suspension, and other components to ensure tight contact between the tires and the ground. 2. When four-wheel alignment is needed: If the vehicle pulls to one side while driving, steering accuracy deteriorates, the suspension or steering system has been repaired, severe tire wear (uneven wear) occurs, or the chassis and suspension are damaged due to a collision, a four-wheel alignment is necessary.
16
3
Share

What are the major safety precautions to pay attention to during car maintenance?

Car maintenance requires attention to the following major safety precautions: Remove the ignition key: When performing vehicle maintenance, remove the ignition key to prevent others from starting the vehicle. Depressurize the fuel system: When servicing the fuel system of an EFI engine, the fuel lines must be depressurized first to prevent gasoline from leaking and splashing onto exposed high-voltage wires or hot objects, which could cause a fire. Prevent injury from fan blades: When repairing an engine that is running, take care to prevent injury from fan blades or burns from hot components. Check engine oil before starting: Before starting the engine, check that the oil and coolant meet the requirements; ensure the gearshift is in neutral; and engage the parking brake. If starting indoors, open doors and windows for proper ventilation. After starting, immediately cut off the fuel or air supply to prevent a "runaway engine" accident.
18
4
Share

Where is the Car Windshield Washer Fluid Filler Port Located?

Car windshield washer fluid filler port is located in the engine compartment, near the right front headlight. Windshield washer fluid is a liquid used to clean the windshield of vehicles and other means of transportation. It is a consumable item in automotive use, mainly composed of water, alcohol, ethylene glycol, etc., and has functions such as cleaning, antifreeze, and anti-fog. Car windshield washer fluids are categorized into: regular windshield washer fluid, antifreeze windshield washer fluid, and special-effect antifreeze windshield washer fluid. The method to add car windshield washer fluid: 1. Open the front hood; 2. Open the windshield washer fluid filler port; 3. Fill the windshield washer fluid up to the marked line. The performance and characteristics of car windshield washer fluid are: 1. Cleaning performance: formulated with various surfactants and additives, surfactants have wetting, penetrating, and solubilizing functions; 2. Antifreeze performance: significantly lowers the freezing point of the liquid; 3. Anti-fog performance: forms a single-molecule protective layer on the glass surface.
4
2
Share

Does Running the Air Conditioning Without Turning Off the Engine Damage the Car?

Yes, it can damage the car, as it tends to cause carbon buildup in the cylinders and throttle body, while also increasing fuel consumption. Below is relevant information: 1. Hazards: When the engine idles, incomplete fuel combustion often results in exhaust gases containing high levels of carbon monoxide. The carbon monoxide emitted with the exhaust can accumulate around the vehicle and enter the cabin through the air conditioning system. With the windows closed while the air conditioning is on, poor air circulation can lead to a gradual increase in carbon monoxide concentration inside the car, posing risks to human health. 2. Precautions: Running the air conditioning while the car is idling consumes more fuel. Additionally, it wastes gasoline and can cause significant harm to both the engine and the battery. During seasons with frequent air conditioning use, it's advisable to clean and disinfect the air conditioning ducts regularly to improve cooling efficiency. It's also a good habit to turn off the air conditioning before shutting down the engine.
16
5
Share

Can a 48V Motor Use a 60V Battery?

An electric vehicle with a 48V system cannot use a 60V battery, as doing so may cause the controller and motor to burn out. Electric vehicles are a common mode of transportation. The main components of an electric vehicle include the frame, motor, controller, and battery. The motor serves as the power source for the vehicle, responsible for driving it forward. The controller manages the entire electrical circuit; without it, the electric vehicle cannot operate properly. To use a 60V battery to power a 48V motor, one option is to disconnect one battery cell, reducing the battery voltage to 48V. Alternatively, a 60V-to-48V DC-DC converter can be installed to step down the voltage from 60V to 48V before supplying it to the 48V motor. Mismatching the motor and battery can lead to excessive load on the motor, shortening its lifespan. Additionally, components such as wiring and parts designed for 48V systems are specifically rated for that voltage. Using a 60V battery may cause overloading, which not only reduces lifespan but also risks electrical breakdown, posing safety hazards.
16
4
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.