What are the functions of engine oil in a car engine?

What Causes a Tiguan to Suddenly Fail to Start Despite Having Fuel and Power?

Incorrect gear position. For automatic transmission vehicles, the gear must be in P (Park) or N (Neutral) to start the engine. If it's in R (Reverse) or D (Drive), the car won't start. Some manual transmission vehicles may also fail to start if the clutch isn't depressed. Apart from improper operation, potential causes include a faulty starter motor, fuel pump or injector issues, or sensor malfunctions. These complex situations require professional attention. Additional considerations include: 1. Fuel quality issues: During repairs, tanks have been found containing water and mud—using such fuel inevitably damages the car. Always refuel at reputable gas stations; when traveling, use a gauze over the nozzle to filter impurities. 2. Lack of antifreeze: Using water or substandard antifreeze can freeze the entire cooling system in extreme cold, cracking the engine block, disabling the water pump, preventing startup, and damaging other engine components. 3. Excessive carbon buildup: Too much carbon deposit can also prevent the car from starting. Regular highway driving helps reduce carbon accumulation.

14

0

Share

Is Charging Free at Tesla Service Centers?

If you purchase Tesla Model S and Model X, you can enjoy unlimited free Supercharging services. As the more affordable Model 3 is more popular among users, the sales of these two more expensive models have significantly declined. Tesla may be using this service to incentivize users to purchase Model S and Model X. More relevant information is as follows: Note 1: Charging is completely free when the vehicle is being serviced at a 4S store. Another method is through the owner referral reward program. When recommending a friend to purchase a new Tesla, both the owner and the friend will each receive 1,500 kilometers of free Supercharging credit. Note 2: The mileage credit will expire 6 months after issuance. For each additional successful referral, the validity period is extended by 6 months, with a cumulative maximum of 36 months. If all mileage credits under one account are used up before the expiration date, the validity period for the next successful referral will be reset to 6 months.

11

1

Share

How Many Years Can a Tesla Battery Last?

Tesla's official data on battery lifespan is 450,000 to 600,000 kilometers, roughly equivalent to about 20 years of use. In reality, electric vehicle batteries are not nearly as fragile as some might think. According to domestic regulations, electric vehicles must provide a warranty for the battery of 8 years or 150,000 kilometers. More relevant information is as follows: 1. Battery Unit: A Tesla battery unit consists of over a dozen small packs, and each small pack is made up of more than seventy individual batteries. Moreover, the higher the electric vehicle's range and the larger the battery capacity, the more expensive the battery becomes. 2. Battery Pack: Tesla's battery pack is composed of over 7,000 18650 batteries, and the lifespan of an 18650 battery is measured by charge-discharge cycles, approximately 1,000 cycles. If charging occurs every 2 days, this translates to about 2,000 days of use, meaning the battery would need replacement roughly every 5 years.

5

4

Share

How many liters of engine oil does the Audi Q5L require?

Audi Q5L requires 5 liters of engine oil. The functions of engine oil include the following 3 points: 1. Lubrication: There is rapid relative sliding between the piston and cylinder, as well as between the main shaft and bearing shells. To prevent excessive wear of parts, an oil film needs to be established between the two sliding surfaces. A sufficiently thick oil film separates the surfaces of relatively sliding parts, thereby achieving the goal of reducing wear. 2. Auxiliary cooling: Engine oil has a relatively low specific heat capacity and is located inside the engine, so it does not inherently have a cooling effect. However, during engine operation, heat energy is generated by fuel combustion. The engine oil can carry this heat back to the oil tank and dissipate it into the air, assisting the radiator in cooling the engine. The actual cooling effect is provided by the water outside the engine housing. 3. Sealing and leakage prevention: Engine oil can form a sealing ring between the piston rings and pistons, reducing gas leakage and preventing the entry of external contaminants.

14

1

Share

Does the Tayron 380 4WD have a particulate filter?

The Volkswagen Tayron 380 4WD complies with the China VI environmental standards and does not have a particulate filter. A particulate filter is a ceramic filter installed in the diesel engine's emission system, which captures particulate emissions before they enter the atmosphere. It can reduce the soot produced by diesel engines by more than 90%, and the captured particulate emissions are subsequently burned off during vehicle operation. How the particulate filter works: The diesel particulate filter is coated with metals such as platinum, rhodium, and palladium. The black smoke containing carbon particles emitted by the diesel engine enters the exhaust particulate trap through a dedicated pipe. The densely arranged bag filters inside capture the carbon particles on a filter made of metal fiber felt. When the accumulation of particles reaches a certain level, the burner at the end automatically ignites, burning off the captured carbon particles and converting them into harmless carbon dioxide. To check if the Tayron 380 has a particulate filter, you can use the following three methods: Check the Owner's Maintenance Manual and Owner's User Manual to see if there is a particulate filter function. Additionally, carefully review the fault codes in the manual to see if there is a "particulate filter" warning light indicator. Check the label on the oil cap. If the oil cap clearly states 0W-20 grade oil, it indicates the presence of a particulate filter. Check if there is a cylindrical section behind the three-way catalytic converter on the exhaust pipe. If present, that is the particulate filter.

19

5

Share

What are the reasons for abnormal power loss in a BMW X6 engine?

The reasons for power loss in a BMW X6 engine include carbon buildup issues, fuel system problems, intake system issues, and engine overheating. Carbon buildup issues include cylinder carbon deposits, throttle body carbon deposits, spark plug carbon deposits, and intake carbon deposits—all of which directly affect the engine's power output. Fuel system problems, such as using incompatible fuel grades, can lead to reduced power output and performance. Alternatively, a clogged fuel tank vent can cause a lean air-fuel mixture, resulting in weak engine acceleration. Intake system issues, such as insufficient airflow, can cause an overly rich air-fuel mixture, reducing engine power. For turbocharged vehicles, a malfunctioning turbocharger can also lead to decreased engine power or sluggish performance. Engine overheating due to insufficient engine oil, low coolant levels, or faulty cooling systems can increase engine load and impair heat dissipation. Solutions for engine power loss: Clean the engine promptly to remove carbon deposits; replace the air filter or clean the catalytic converter; purge air from the fuel system and drain all fuel from the tank and fuel filter. Refill the tank with the correct fuel grade and quality in a 4:1 ratio, then bleed the air using a hand pump and vent screw. Seek professional repair services at a specialized workshop or dealership to avoid further damage. Engine maintenance methods: Use high-quality engine oil; employ qualified coolant; regularly clean radiator scale; periodically remove carbon deposits; replace the three filters on schedule; maintain reasonable RPM levels. The car engine is the device that provides power to the vehicle, determining its performance, fuel efficiency, stability, and environmental friendliness. The engine consists of components such as the crankshaft-connecting rod mechanism and valve train; fuel supply system; cooling system; lubrication system; ignition system; and starting system.

9

4

Share

What are the functions of engine oil in a car engine?

What Causes a Tiguan to Suddenly Fail to Start Despite Having Fuel and Power?

Is Charging Free at Tesla Service Centers?

How Many Years Can a Tesla Battery Last?

How many liters of engine oil does the Audi Q5L require?

Does the Tayron 380 4WD have a particulate filter?

What are the reasons for abnormal power loss in a BMW X6 engine?

What is the wading depth of the Tesla Model 3?

What is the difference between Audi R and Audi RS?

How many days after the transfer of an old car can a new car be registered with the old license plate?

How are the Equinox and Kodiaq evaluated?