What are the preparation rules before Subject 2 test?

What to Do If Your Vehicle Fails the Exhaust Emission Test?

Solutions for a vehicle failing the exhaust emission test include: 1. Cleaning the three-way catalytic converter; 2. Cleaning the front oxygen sensor; 3. Using higher-quality gasoline; 4. Checking the engine's working condition; 5. Accelerating and driving several kilometers on the highway. Reasons for failing the annual exhaust emission test are: 1. Poor fuel quality; 2. Malfunction of the three-way catalytic converter or oxygen sensor; 3. Large spark plug electrode gap; 4. Overly rich or lean air-fuel mixture; 5. Poor gasoline atomization; 6. Abnormal engine operation; 7. Dirty intake system, exhaust system, or fuel system; 8. Vehicle aging.

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What are the differences between BMW 3 Series and X3?

BMW 3 Series and X3 differ as follows: 1. BMW 3 Series: Dimensions are 4829/1827/1463mm with a wheelbase of 2961mm. It features a single powertrain combination of B48 engine + ZF8AT, all being 325i/Li models. Whether standard or long wheelbase, they all output a maximum horsepower of 184 hp (5000-6500rpm) and a maximum torque of 300N·m (1350-4000rpm). The standard wheelbase model accelerates from 0-100 km/h in 7.3 seconds, while the long wheelbase model takes 8.1 seconds (8.2 seconds for the long wheelbase four-wheel-drive model). 2. BMW X3: Dimensions are 4648mm*1881mm*1661mm with a wheelbase of 2810mm. It is equipped with a B48 2.0T engine, offering three power outputs depending on the model: 184 hp, 224 hp, and 252 hp. The transmission system is matched with an 8-speed automatic manual transmission, and all models come standard with the xDrive four-wheel-drive system.

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Where is the oil dipstick located in the tenth-generation Accord?

The oil dipstick in the tenth-generation Accord is located in the engine compartment. After opening the engine hood, you can find the dipstick handle near the radiator frame. When checking the oil dipstick, ensure the engine is in a static state for measurement. The oil level should not exceed the upper mark or fall below the lower mark. There is a textured area at the end of the dipstick with upper and lower lines. When the engine oil level is between these two marks, it indicates the oil quantity is normal and safe for continued use. The tenth-generation Accord is equipped with three types of engines: a low-power 1.5-liter turbocharged engine, a high-power 1.5-liter turbocharged engine, and a 2.0-liter naturally aspirated engine. The low-power 1.5-liter turbocharged engine delivers a maximum power of 130kW and a maximum torque of 230Nm, achieving peak power at 6000 rpm and featuring VTEC technology. The high-power 1.5-liter turbocharged engine produces a maximum torque of 260Nm, reaching peak power at 5500 rpm and also equipped with VTEC technology. The model with the 2.0-liter naturally aspirated engine is a hybrid vehicle, with a maximum torque of 175Nm and peak power output at 6200 rpm.

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What causes the engine to make a chugging sound and lose power?

The reasons for the engine making a chugging sound and losing power are as follows: 1. Aging or loosening of engine mounts: Engine mounts are rubber blocks placed between the engine and the frame. Their purpose is to reduce vibration and cushion the engine's operation, as well as to secure the engine in place. Once these mounts age or loosen, the engine will shake, and the faster the speed, the louder the shaking sound. 2. Improper use of engine oil: If the viscosity of the engine oil does not match the engine's requirements, it can easily lead to carbon buildup, causing the engine noise to increase. For example, if the oil viscosity is too low, it will result in insufficient lubrication, wearing engine parts and causing abnormal noises; if the oil viscosity is too high, it will put excessive load on the engine, also generating noise. 3. Engine misfire: Engine misfire mainly refers to one or more cylinders in the engine not working properly, usually manifested as: the exhaust gas flow from the car has obvious intermittency, the exhaust pipe shakes violently, and the engine's 'chugging' or thumping sound can be clearly heard.

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What to Do When Wuling Car Keys Are Locked Inside?

The methods to handle a situation where Wuling car keys are locked inside include: 1. Using a spare key; 2. Contacting a qualified and professional locksmith; 3. Calling the after-sales service of the 4S store for assistance; 4. Using tape to stick to the car window and forcibly pull it open; 5. Using a sharp object to remove the door seal and inserting a wire through the gap to press the unlock button. Models under the Wuling brand include: Hongguang MINIEV, Wuling Capgemini, Wuling Hongguang S3, Wuling Hongguang PLUS, Wuling Hongguang, Wuling Rongguang V, etc. Taking the Wuling Hongguang S3 as an example, it is a 5-door, 7-seater mid-size SUV with body dimensions of 4655mm in length, 1735mm in width, and 1790mm in height, a wheelbase of 2800mm, a fuel tank capacity of 49 liters, and a curb weight of 1440kg.

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What does Avalon XLE represent?

Avalon XLE does not represent anything special; it is merely the name used for a specific trim level of the Avalon. The Avalon is a mid-size sedan under the Toyota brand, with a body length of 4975mm, width of 1850mm, height of 1450mm, and a wheelbase of 2870mm. The Avalon is equipped with three engine options: a 2.0-liter naturally aspirated engine, a low-power version of the 2.5-liter naturally aspirated engine, and a high-power version of the 2.5-liter naturally aspirated engine. The 2.0-liter naturally aspirated engine delivers a maximum power of 178 horsepower and a peak torque of 210 Nm, with the maximum power achieved at 6600 rpm and the peak torque available between 4400 to 5200 rpm. The low-power version of the 2.5-liter naturally aspirated engine produces a maximum power of 178 horsepower and a peak torque of 221 Nm, with the maximum power at 5700 rpm and peak torque between 3600 to 5200 rpm. The high-power version of the 2.5-liter naturally aspirated engine generates a maximum power of 209 horsepower and a peak torque of 250 Nm, with the maximum power at 6600 rpm and peak torque at 5000 rpm.

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What are the preparation rules before Subject 2 test?

What to Do If Your Vehicle Fails the Exhaust Emission Test?

What are the differences between BMW 3 Series and X3?

Where is the oil dipstick located in the tenth-generation Accord?

What causes the engine to make a chugging sound and lose power?

What to Do When Wuling Car Keys Are Locked Inside?

What does Avalon XLE represent?

What is the top speed of the Malibu XL 550?

What are the situations that can cause a car's water temperature to become too high?

What is the 0-100 km/h acceleration time of the Accord Hybrid?

Why is Dongfeng Motor's market value so low?