What does cruise mean and how to turn it off in the car?

What Causes the Oil Pump to Fail?

The following are the reasons for oil pump damage: 1. Wear between the plunger and plunger sleeve: During operation, mechanical impurities in the fuel enter the injection pump chamber, causing abrasive wear. Combined with the corrosive effect of the fuel, this increases the gap between the plunger and sleeve. 2. Wear of the delivery valve: High-speed flow scouring by mechanical impurities in the fuel causes wear on the delivery valve, pressure relief band, or valve seat, leading to poor sealing and insufficient residual pressure in the high-pressure fuel line. Additional information on the causes of damage: 1. Failure of the delivery valve spring: Fatigue reduces the spring force of the delivery valve, impairing its one-way shut-off function and causing backflow. 2. Insufficient pressure in the low-pressure fuel line: Reduced or no pumping capability of the fuel supply pump, clogged diesel filters or fuel lines, or air entering the fuel system can decrease the fuel pressure in the low-pressure line of the injection pump, preventing pressure generation. When the injection pump operates, fuel cannot quickly enter the pump chamber, resulting in no or insufficient fuel injection.

17

4

Share

Should You Call 122 or 110 for a Traffic Accident?

In the event of a traffic accident, you should call 122. Below is relevant information regarding traffic accident hotlines: 1. Introduction to 122: The 122 emergency service platform is a department established by national public security traffic management authorities to handle public reports of traffic accidents. It dispatches and coordinates police officers to address various emergencies and requests for assistance, while also accepting public reports, complaints, and inquiries regarding traffic management and law enforcement by traffic police. 2. Important Notes: To help public security authorities respond quickly to emergencies, citizens calling 122 should pay attention to the following: First, briefly explain what happened; second, provide a detailed address; third, state the caller's name and contact number. Only by clearly explaining the situation can the police prioritize and take appropriate measures; only by providing a clear address can nearby police forces be dispatched promptly to the scene; and only by leaving a name and contact number can follow-up and status inquiries be facilitated. In special circumstances, callers who prefer not to leave their name and contact number may choose not to do so.

9

4

Share

What Problems Can Occur If Car Battery Terminals Are Connected in Reverse?

Reversing the positive and negative terminals of a car battery can lead to the following four consequences: 1. Alarm system damage: If the ignition is off and the circuit is not powered, the alarm system may burn out. 2. Fuse blowout: If the ignition is on, only the fuse may be blown. 3. Fuse, controller, and related circuit damage: If the ignition is on, the fuse, controller, and related circuits may be damaged (the damage is random). 4. Starter motor damage: If the ignition is on and the engine is started, the starter motor may be damaged. A car battery, also known as a storage battery, is a type of battery that works by converting chemical energy into electrical energy. Car batteries are categorized into conventional lead-acid batteries, dry-charged batteries, and maintenance-free batteries. Typically, when people refer to a car battery, they mean a lead-acid battery. The normal service life of a car battery ranges from 1 to 8 years.

14

1

Share

How to Set the Horn Sound When Locking a Mazda?

To set the horn sound when locking a Mazda using the remote key, simultaneously press the unlock and lock buttons for 3 seconds until the lights flash. Below are specific details about car horns: 1. The horn is the audio signal device of a car. During driving, the driver can emit necessary sound signals as needed and required to warn pedestrians and alert other vehicles, ensuring traffic safety. It is also used for urging movement and transmitting signals. 2. The working principle of an air horn involves using the airflow of compressed air to vibrate a metal diaphragm and produce sound. Therefore, it can only be used in vehicles equipped with an air compressor. Generally, air horns are installed on large buses and heavy-duty trucks, especially for long-distance transport vehicles driving in mountainous areas or curves. Using an air horn can effectively alert pedestrians and oncoming drivers due to its loud volume, pleasant sound, and long transmission distance. Air horns typically adopt a cylindrical shape and operate with a combination of high and low pitch horns.

16

0

Share

How many points are deducted for making a U-turn on the highway?

Making a U-turn on the highway results in a deduction of 12 points. Here are the specific details: 1. Legal basis: According to Article 1, Item 7 of the 'Scoring Standards for Road Traffic Safety Violations,' if a motor vehicle driver drives in reverse, against the traffic flow, or makes a U-turn across the central divider on the highway, they will be penalized with 12 points. 2. Guide signs: These signs convey information about road direction, location, and distance. Their shapes, except for location identification signs, milestones, and merge/diverge signs, are generally rectangular or square. Their colors are typically blue with white patterns for regular roads and green with white patterns for highways. 3. Hazards of making a U-turn on the highway: Making a U-turn on the highway is a serious traffic violation that poses a severe threat to the safety, order, and smooth flow of traffic on the highway. Therefore, it must be strictly prohibited and severely penalized.

13

3

Share

Can a Damaged Aluminum Engine Block Be Welded?

Aluminum engine blocks cannot be welded if damaged. Severity of the Situation: For minor damage, boring the cylinder and replacing the cylinder liner may be possible. However, in severe cases, the entire block must be replaced. Types of Engine Blocks: For wet-type engines, repairs can be considered depending on the severity of the damage. For dry-type blocks, the cylinder liners are very thin, making repairs difficult—typically requiring a full replacement, which can be expensive. Location of Damage: If the damage is in the middle section of the engine, it may be possible to take it to a repair shop where an experienced metalworker can weld a patch. After patching, place an asbestos gasket between the patch and the cylinder block or head, and apply lubricating oil on both sides. During welding, be mindful of warping at the weld site—ensure to hammer the welded area while hot to remove slag. If the damage is at the engine gasket area, repairs are not feasible, and a new block must be installed.

12

4

Share

What does cruise mean and how to turn it off in the car?

What Causes the Oil Pump to Fail?

Should You Call 122 or 110 for a Traffic Accident?

What Problems Can Occur If Car Battery Terminals Are Connected in Reverse?

How to Set the Horn Sound When Locking a Mazda?

How many points are deducted for making a U-turn on the highway?

Can a Damaged Aluminum Engine Block Be Welded?

Do I need to collect the inspection sticker during the biennial vehicle inspection?

Can a New Car Go Directly on the Highway?

How to enable the sound when locking the 2021 Classic Sylphy?

How to Solve the Problem of Skoda Octavia Brake Light Staying On?