Are the questions in Subject 1 the same as those in the driving test app?

What to Do About Exhaust Pipe Resonance?

If the car's exhaust pipe exhibits resonance, it needs to be replaced immediately. Here is the relevant information: 1. The function of the car's exhaust pipe is to expel exhaust gases from the engine. The exhaust pipe consists of three sections: the header, the mid-pipe, and the tailpipe. The header is the exhaust manifold, the mid-pipe is the long tube under the chassis, and the tailpipe is the section near the rear bumper. 2. Modifying the mid-pipe and tailpipe of the exhaust can alter the sound but does not improve performance. The header of the exhaust pipe contains an important component—the catalytic converter—which reduces the levels of pollutants in the exhaust. Without the catalytic converter, the car's emissions would exceed standards, and the exhaust gases would emit a foul odor. 3. The exhaust manifold also has oxygen sensors—one in front of the catalytic converter and another behind the exhaust manifold.

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What are the differences between Castrol EDGE and Castrol MAGNATEC?

Castrol MAGNATEC is a Group III hydroprocessed oil, while Castrol EDGE is a blend of Group IV and Group III hydrocracked base oils. The comparison between EDGE and MAGNATEC is as follows: Castrol EDGE oil: 1. Reduces friction loss. EDGE can meet the demanding working requirements of modern high-performance engines under high temperature and high pressure conditions. It effectively reduces deposits, keeps the engine clean as new, delivers strong performance, and provides comprehensive engine protection. 2. EDGE has an API rating of SN and comes in four viscosities: 0W-40, 5W-40, 5W-30, and 10W-60, catering to different driving conditions. It meets the oil requirements of numerous engine manufacturers, including American, European, and Japanese high-performance and luxury vehicles. Castrol MAGNATEC oil: 1. Provides cold start/continuous start-stop protection for the engine. 2. It only has one viscosity with an API rating of SN/5W-40, which cannot meet the needs of many vehicle models.

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What Causes Engine Abnormal Noise?

Reasons for engine abnormal noise are as follows: 1. Carbon buildup in the engine throttle. 2. Exhaust system blockage. 3. Spark plug malfunction. 4. Muffler issues. 5. Cooling system failure. Here is relevant information: An engine is a machine that converts other forms of energy into mechanical energy, including internal combustion engines, external combustion engines, jet engines, and electric motors. Internal combustion engines typically convert chemical energy into mechanical energy. The term 'engine' can refer to either the power generation device or the entire machine including the power unit. Common cylinder configurations for automotive engines include 3-cylinder, 4-cylinder, 6-cylinder, 8-cylinder, 10-cylinder, and 12-cylinder. If abnormal engine noise occurs during daily vehicle use, it is recommended to contact the local 4S dealership for timely inspection and repair.

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What to Do When the Car Tire Pressure Warning Light Comes On?

Here are the steps to handle a car tire pressure warning: 1. Pull over safely: When the tire pressure warning light comes on, first turn on the hazard lights, slow down gradually, and after ensuring it is safe, pull over to the right side of the road. If you are on a highway, try to stop in the emergency lane and set up a safety warning sign 150 meters behind the vehicle. 2. Rule out false alarms: Tire pressure monitoring systems work in two ways: active and passive. Active systems trigger an alarm when the tire pressure is too low or there is a leak, based on preset pressure values. Passive systems monitor tire pressure by detecting tire rotation speed, as underinflated tires rotate faster than normal ones. There are four common reasons for a tire pressure warning: a punctured or leaking tire; not resetting the tire pressure settings after changing or repairing a tire; not resetting the tire pressure settings after inflating the tires; or the car being parked for a long time without use. Therefore, it is advisable to conduct a self-check first. 3. Change the tire or call for assistance: If the tire pressure continues to drop after the above checks, exit the vehicle to inspect the faulty tire. During this time, keep the hazard lights on, wear reflective clothing, and ensure a safety warning sign is placed at a safe distance behind the car. If you find the tire is leaking or damaged, you can use the car's jack to replace it with the spare tire.

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What to Do When a Motorcycle Battery Dies After Prolonged Storage?

Possible causes and solutions for a dead battery are as follows: 1. The battery has not been charged for a long time, leading to discharge. In this case, simply recharge the battery. 2. The battery is severely discharged and damaged, requiring replacement with a new one. Here are some related tips: 1. Generally, a motorcycle should be started once a month and run for about 10 minutes before recharging. 2. If there is a wiring fault causing battery leakage, it is necessary to visit a repair shop to have the wiring checked by a mechanic. Ignoring this issue not only leads to battery drain but also poses safety risks later on. 3. Carburetor-equipped motorcycles may also experience battery discharge, preventing startup. Carburetors often retain residual gasoline, which, when exposed to air for extended periods, can accumulate impurities, oxidize, and form gum deposits. These deposits can clog the main jet and idle jet. Cleaning the carburetor will resolve the issue and allow the motorcycle to start.

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Why does it show unlocked when the car door is locked?

This may be a fault with the car door lock sensor. Here is some relevant information about car doors: 1. Concept: Car doors provide access for drivers and passengers while isolating external disturbances, reducing side impacts to a certain extent and protecting occupants. 2. Function: The aesthetics of a car are also related to the design of the doors. The quality of car doors is mainly reflected in their anti-collision performance, sealing performance, ease of opening and closing, and of course, functional indicators. Anti-collision performance is particularly important because during a side impact, the buffer distance is very short, making it easy for passengers inside to get injured.

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Are the questions in Subject 1 the same as those in the driving test app?

What to Do About Exhaust Pipe Resonance?

What are the differences between Castrol EDGE and Castrol MAGNATEC?

What Causes Engine Abnormal Noise?

What to Do When the Car Tire Pressure Warning Light Comes On?

What to Do When a Motorcycle Battery Dies After Prolonged Storage?

Why does it show unlocked when the car door is locked?

What engine is used in the Chery Tiggo 8?

What does TCS displayed on the vehicle mean?

What to Do When a Car Suddenly Stalls While Driving?

Differences Between Alphard and Vellfire