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What are the VW Group 91 and 93 data streams?

VW Group 91 and 93 data streams are factory-set values for the vehicle. Whether the data values are high or low, any deviation indicates an abnormality in the data stream. Abnormalities in the 91 and 93 data streams occur because the EA888 engine experiences unusual vibrations during startup. Continuing to operate the vehicle under these conditions can cause the timing chain to skip teeth, leading to valve-to-piston contact. It is recommended that owners take their vehicle to a 4S shop for inspection and repair. Here is some information about the VW EA888 engine: The EA888 engine is a source of pride for Volkswagen. This engine incorporates a series of advanced technologies such as direct fuel injection, turbocharging, and variable valve timing. It delivers ample power while also improving fuel efficiency, achieving a balance between performance and economic environmental friendliness.

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Can a rusted car rocker panel be repaired?

Yes, a rusted car rocker panel can be repaired. Here are methods to prevent rust: 1. Keep the vehicle clean: Maintaining cleanliness is the foundation of car maintenance. Wash the car regularly, paying special attention to cleaning the chassis. Professional chassis maintenance and cleaning are usually very expensive. Due to varying road conditions, it's difficult to keep the vehicle clean after prolonged use. The car's chassis is most exposed to road contaminants like dirty water, so extra attention should be paid to its cleanliness during washing. 2. Protect exposed metal parts: Any exposed metal on a car can oxidize and rust. Nowadays, rust prevention fluids can be purchased at regular car maintenance shops. Proper use of different types of metal protectants after washing can significantly prevent metal oxidation and rust. 3. Apply paint to the car chassis: The chassis is the most rust-prone area. Painting the chassis can effectively prevent rust. Typically, applying a fresh coat of paint to the chassis once a year can maximally prevent oxidation and aging of the car chassis.

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How often should the high-pressure fuel pump be replaced?

5 years. The service life of a gasoline pump is 5 years. It mainly depends on mileage and fuel quality. Replacement is not necessary if it does not affect engine performance. Below is extended information on the causes of automotive fuel pump damage: 1. Not refueling promptly: Gasoline has a cooling and lubricating effect on the fuel pump. Delaying refueling after the fuel warning light comes on can reduce the cooling and lubricating effects, leading to fuel pump damage. 2. Insufficient fuel pressure: When the fuel level warning light in the dashboard illuminates, the fuel pump motor may not receive adequate cooling and lubrication due to the low fuel level, causing the motor to overheat or even stop. 3. Long-term neglect of gasoline filter replacement: Severe blockage in the fuel supply system due to an unchanged gasoline filter forces the fuel pump to work harder, and prolonged high-load operation can also cause fuel pump damage. 4. Poor fuel quality: When fuel quality is poor, impurities or foreign objects may be present in the fuel tank. Large particles are blocked by the filter screen, while small particles are sucked into the fuel pump motor, accelerating its wear.

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How often should motor vehicles undergo on-site inspections?

For small motor vehicles, inspections are required once every 2 years within the first 6 years; after 6 years, inspections are required annually; and after 15 years, inspections are required every 6 months. Motor vehicle on-site inspection: Motor vehicle on-site inspection is one of the procedures for the annual vehicle inspection. Only vehicles that pass this inspection can officially pass the annual review, obtain the annual inspection mark, and be allowed to continue driving on the road. Inspection content: If the appearance inspection is fine, the vehicle queues up for the on-site inspection. The inspection line is responsible for checking items such as brakes, headlights, and chassis, which takes about 5-10 minutes. Once the vehicle is driven off the line, a computer-printed form is issued, listing items such as braking, lighting, and horn. A "0" is printed for passing items, and an "X" for failing items.

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What is the correct method for changing lanes?

About the correct method for changing lanes, the key is to be quick with your eyes and hands, and follow with your feet. Related introduction to lane changing: 1. Turn on the turn signal: When changing lanes, you should turn on the turn signal in advance, so that the vehicles behind can know that the car is about to turn and will naturally slow down. 2. Check the rearview mirror: After turning on the turn signal, immediately check the rearview mirror, then slowly change lanes in the direction you want to turn. For changing lanes to the right, focus on the right rearview mirror; for changing lanes to the left, focus on the left rearview mirror to see if any cars are closely following behind. At the same time, also check the front of the car for any pedestrians or vehicles to ensure the safety of the lane change. 3. Check the distance on both sides: Keep the car within the two white lines and avoid crossing the line. If you are not changing lanes, normal driving basically does not require checking the rearview mirror, nor worrying about being overtaken or followed by cars behind. Additionally, look further ahead and not just at the front of the car.

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How to Observe Traffic Lights and Driving Lanes While Driving?

You can observe the lane markings. Typically, the middle lane with a straight arrow is for going straight, while the lanes on the left and right with curved arrows are for turning. Pay attention to the traffic light signals corresponding to your lane. The arrows on the traffic lights indicate the signals for the straight-going lanes. At some intersections, there are no turning lanes, so the traffic lights won't have arrow indicators—only a circular light. In such cases, simply observe the color of the light.

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Does GAC Aion in Beijing Not Require a License Plate Lottery?

What are the VW Group 91 and 93 data streams?

Can a rusted car rocker panel be repaired?

How often should the high-pressure fuel pump be replaced?

How often should motor vehicles undergo on-site inspections?

What is the correct method for changing lanes?

How to Observe Traffic Lights and Driving Lanes While Driving?

Does Different Tread Patterns Have Any Impact?

What to Do If There Are Abnormalities in the Driver's License Scoring Date?

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