How Often Should Front and Rear Tires Be Rotated?

What is the issue with P2188 Cylinder Bank 1 System Too Rich at Idle?

P2188 Cylinder Bank 1 System Too Rich at Idle indicates excessive fuel delivery. Fuel trim refers to the electronic control unit (ECU) adjusting the fuel delivery by increasing or decreasing the injector opening time to achieve the optimal air-fuel ratio (14.7:1 air to gasoline mass ratio). A too-rich air-fuel ratio means excessive fuel delivery, while a too-lean air-fuel ratio means insufficient fuel delivery. System too rich means the fuel quantity (relative to the intake air) is too high. Below are possible causes: (1) Air leak in the intake pipe from the turbocharger to the throttle; (2) Faulty mass air flow sensor; (3) Faulty boost pressure sensor; (4) Mechanical failure of the turbocharger; (5) Wiring issue with the mass air flow sensor or boost pressure sensor; (6) Leak in the engine crankcase ventilation system; (7) Faulty canister purge solenoid valve system; (8) Engine control unit malfunction; (9) Exhaust system issues such as a clogged catalytic converter.

14

1

Share

How to Remove Odor from Flood-Damaged Cars?

Odors in cars can be removed by methods such as placing bamboo charcoal bags. Below are specific methods to eliminate odors inside the car: 1. Natural Ventilation: Frequently open the car windows to ventilate. After entering the car, open the windows and turn on the fan for air exchange. Drive for at least 10 minutes before closing the windows and turning on the air conditioning. 2. Place Bamboo Charcoal Bags: Bamboo charcoal bags can absorb odors but need to be replaced timely. Typically, a bamboo charcoal bag should not be used for more than 15 days; otherwise, it may become a new source of pollution. 3. Fruit Deodorization: Placing fruits like bananas and pineapples in the car can also help eliminate odors. They should be placed away from direct sunlight, and care should be taken to prevent fruit juice leakage and spoilage. 4. Pomelo and Orange Peels: Fruit peels such as pomelo and orange peels have strong odor-absorbing capabilities. They not only produce a fresh fragrance but also absorb odors inside the car, creating a pleasant atmosphere.

17

2

Share

How Long Does an ETC Lithium Battery Last?

Generally, the battery in an ETC device can last for about 3 years under normal usage. For solar-powered ETC devices that are not frequently used, it is recommended to charge them every 3 months to prevent natural discharge of the internal battery. ETC devices have an internal battery and are charged externally via solar power, so they do not require regular charging. ETC stands for Electronic Toll Collection, which is an electronic toll system. To apply for an ETC, you need to provide the original and photocopies of the vehicle owner's valid ID card and vehicle registration certificate. If the application is not made by the owner, the agent must also present their valid ID card. The photocopy of the vehicle registration certificate should include the page with the most recent annual inspection stamp. Additionally, a bank card for deducting highway tolls is required. Applicants must be between 18 and 60 years old, and the vehicle must be registered under a personal name. For company vehicles, the required documents include: A letter of introduction from the vehicle owner (with official seal); a photocopy of the organization code certificate or business license (with official seal); the agent's original ID card; the original vehicle registration certificate; and the vehicle for which the ETC is to be installed. How ETC works: The system uses an onboard electronic tag installed on the vehicle's windshield to communicate with microwave antennas in the ETC lanes at toll stations. It employs computer networking technology to settle transactions with banks in the background, allowing vehicles to pay highway or bridge tolls without stopping. Benefits of installing ETC: Time-saving: Eliminates the hassle of waiting in queues; Green and eco-friendly: Reduces noise and exhaust emissions by allowing vehicles to pass through toll stations without stopping; Cost-saving: Reduces wear and tear and fuel consumption by minimizing vehicle starts and stops, and users can enjoy toll discounts; Improved efficiency: ETC lanes can theoretically increase traffic efficiency by 2-3 times, making traditional ETC systems faster, more advanced, and more high-tech. Compared to license plate payment, ETC technology is more mature and advantageous.

3

0

Share

Why does the car suddenly lose fuel supply during normal driving?

Sudden loss of fuel supply during normal driving may be caused by excessive carbon deposits. Related solutions are as follows: 1. Check the fuel tank pump: Verify if it's functioning properly. The fuel pump motor makes noise when working. If the pump fails to supply fuel normally, it will cause insufficient vehicle power. 2. Inspect the fuel filter: Check for leaks or blockages. If the leak worsens, simply starting the vehicle could potentially ignite it due to static electricity. 3. Examine the intake pipe: Look for dirt blockages. Remove the air filter to check for water ingress, and replace the air filter if necessary. 4. Check the valve timing: Ensure the valve timing is correct and that the intake/exhaust pipes are tightly sealed. You can clean the throttle body or add a cleaning-type fuel additive (fuel system cleaner) to the gasoline, which can achieve certain carbon removal effects.

17

3

Share

Should I buy the Audi A3 with 1.4T or 2.0T?

The choice should be based on the owner's needs; opt for the 2.0T if more power is required. Below is a relevant introduction to the Audi A3 1.4T and 2.0T: 1. Engine Introduction: The Audi A3 primarily features a 1.4T turbocharged engine, with an additional 2.0T turbocharged engine available, both paired with a 7-speed dual-clutch transmission. In terms of the chassis, the Audi A3 adopts a front MacPherson strut and rear multi-link setup. 2. Power Performance: The 35TFSI model is equipped with the high-power version of the EA211 1.4T turbocharged engine, delivering a maximum power of 110kW (150PS) and a maximum torque of 250N·m, which remains highly competitive today. The 40TFSI model, on the other hand, utilizes the EA888 third-generation 2.0T engine with a fuel hybrid injection system, boasting a maximum horsepower of 140kW (190PS) and a torque of up to 320N·m, providing ample power. The transmission is still paired with the 7-speed S-tronic dual-clutch gearbox, which has been time-tested in Volkswagen and Audi models, excelling in both performance and reliability.

7

5

Share

Is C1 much harder than C2?

Compared to C1, C2 is much easier to learn because automatic transmission vehicles do not have a clutch, eliminating the need for frequent clutch pressing and gear shifting. Simply using the brake and accelerator to control the speed is sufficient. C1 Driver's License Test: The test subjects include four items: traffic regulations and related knowledge, field driving, road driving, and safe and civilized driving common sense. Passing standards: Traffic regulations and related knowledge (Subject 1) — Written test, full score of 100, passing requires 90 or above. Field driving (Subject 2) — On-site, actual vehicle. The minimum requirement is 80 points, below 80 is a fail. Road driving (Subject 3) — Highway or simulated field, actual vehicle. Full score of 100, must achieve 90 or above to pass. Safe and civilized driving common sense — Written test, questions mainly in the form of cases, pictures, animations, etc., question types include true/false, single-choice, and multiple-choice, totaling 50 questions, full score of 100, passing requires 90 points.

15

1

Share

How Often Should Front and Rear Tires Be Rotated?

What is the issue with P2188 Cylinder Bank 1 System Too Rich at Idle?

How to Remove Odor from Flood-Damaged Cars?

How Long Does an ETC Lithium Battery Last?

Why does the car suddenly lose fuel supply during normal driving?

Should I buy the Audi A3 with 1.4T or 2.0T?

Is C1 much harder than C2?

Will Shoes Left in the Car Get Damaged in Summer?

Can Brakes Be Modified?

What kind of oil is used to lubricate sunroof tracks?

Is There a Difference Between Three-Cylinder and Four-Cylinder Engines?