What is the method for identifying the number of cylinders in a car?

1 Answers
LeIsabel
07/29/25 1:45pm
Methods for identifying the number of cylinders in a car: 1. Check the spark plugs - the number of spark plugs in a gasoline car corresponds to the number of cylinders, while in a diesel car, the number of fuel injectors indicates the number of cylinders; 2. Inspect the ignition wires - traditionally, the number of ignition wires matched the number of cylinders, but many modern cars no longer have separate ignition wires as they are integrated with the ignition coils (one coil per cylinder), so the number of ignition coils equals the number of cylinders; 3. Examine the engine configuration - the letter 'L' denotes an inline engine, the accompanying number represents the cylinder count, and 'V' indicates a V-type engine. It's often difficult to determine the cylinder count visually from the exterior, though some models display this information on the front fenders or rear of the vehicle.
Was this review help?
15
5
Share
More Forum Discussions

Can the driver's license inspection be processed in a different location?

Driver's license annual inspection can be processed in a different location. Below is the relevant information about the driver's license annual review: 1. Documents required for the annual review: original copy of the driver's license, ID card, and the physical condition certificate for motor vehicle drivers. 2. Annual review schedule: Drivers holding licenses for vehicle types A, B, N, P, drivers holding license for vehicle type C engaged in commercial transportation, and drivers over 60 years old must undergo annual review once a year; drivers holding licenses for other vehicle types must undergo review every two years. 3. Penalty regulations: The annual review deadline is based on the expiration date of the annual review on the driver's license "subsidiary certificate". Drivers who fail to review on time will be subject to penalties.
18
3
Share

How to Clean Cement Residue from a Car?

Cleaning cement residue from a car can be done using the following methods: 1. If the residue has been there for less than 12 hours, first wet and soak it with water, then use car wash soap and a towel to gently wash it off; 2. If it has been more than 12 hours, the cement will have hardened. You can purchase acidic solution from a pharmacy, dip a brush in it, and apply it to the cement. The acid will dissolve the cement, which can then be rinsed off with water; 3. Pour gasoline over the residue, wait for it to soften, and then manually remove the cement. This method is suitable for large areas; 4. Use a hair dryer to heat the affected area, and the cement will usually fall off on its own; 5. Spray white vinegar onto the cement using a spray bottle, wait for 3 to 5 minutes, and then scrape it off with a hard card. Afterward, clean the area with car wash soap where the vinegar was applied.
13
0
Share

Do I need proof for the free maintenance provided by the 4S store?

Proof is required for the free maintenance provided by the 4S store. Any promises or gifts offered by the 4S store during the car purchase should be clearly stated in the purchase contract, especially the maintenance services provided by the 4S store. This helps avoid any issues during maintenance and ensures the normal progress of the service. The basic maintenance provided by the 4S store is relatively limited, mainly including oil and oil filter replacement. Additionally, they will inspect and diagnose the vehicle's condition and usage, such as checking the engine's working status and whether the coolant level is normal. The main maintenance items for a car include oil changes, oil filter replacement, transmission fluid replacement, spark plug replacement, air filter replacement, brake fluid replacement, etc. However, not all these items need to be replaced every time, as it depends on their service life. Besides these, maintenance also involves inspections and servicing of dozens of components, including the engine, transmission, air conditioning system, steering system, braking system, suspension, body, tires, etc.
1
4
Share

What Causes Truck Wheel Hubs to Overheat?

Wheel hub overheating may be caused by excessively tight bearings, abnormal wear, or brake drum overheating. Below are the details regarding wheel hub overheating: 1. Wheel Hub Overheating: Wheel hub overheating could be due to excessively tight bearings or abnormal wear. The wheel hub (axle head) typically overheats because the bearings are either assembled too tightly or lack proper lubrication. Excessive temperature can cause the lubricating grease inside to melt and leak out, affecting braking performance. In severe cases, it may even burn out the bearings. 2. Brake Drum Overheating: Another possible cause of wheel hub overheating is brake drum overheating, which may lead to brake drag or drum scraping. The brake drum is the part measured by the thermometer. It heats up with every brake application and is the area with the highest heat generation in the entire front wheel. The temperature of the brake drum is influenced by factors such as ambient temperature, driving speed, frequency of braking, vehicle weight, and road conditions.
1
1
Share

What to Pay Attention to When Ordering a Car?

When ordering a car, pay attention to the details of the contract signing, whether the car is a problematic vehicle, and whether the car documents are complete. Pay attention to the details of the contract signing: When signing the car order contract and other contract materials, pay attention to every detail of the contract, especially the difference between 'deposit' and 'down payment'. A single word difference may result in the inability to refund the car order fee. Check whether the car is a problematic vehicle: The most important thing when ordering a car is to inspect the vehicle. Consumers must refuse to accept flooded cars, problematic cars, etc., no matter how much discount the 4S store offers. Whether the car documents are complete: Pay attention to whether the certificate of conformity, vehicle consistency certificate, motor vehicle registration certificate, three-guarantee certificate, vehicle user manual, and other documents are complete. If any document is missing, consult the 4S store in time and confirm before ordering the car.
3
3
Share

Which is better, 5W40 or 10W40 engine oil?

5W40 engine oil is slightly better than 10W40, as it has stronger cold resistance and can be used in lower temperature conditions. The differences between 5W40 and 10W40 engine oil: 5W40 oil can withstand external low temperatures of -30°C, while 10W40 oil can withstand external low temperatures of -25°C. Both 5W40 and 10W40 can withstand external high temperatures of 40°C. 5W40 is more suitable for cold northern regions compared to 10W40. The "W" in 5W40 and 10W40 stands for winter, and the smaller the number before the "W," the lower the low-temperature viscosity, the better the low-temperature fluidity, the lower the applicable minimum temperature, and the better the engine protection during cold starts. In other words, 5W40 has a lower applicable minimum temperature than 10W40. The number 40 represents the high-temperature viscosity grade of the oil—the larger the number, the stronger the high-temperature viscosity, the thicker the oil film, and the better the sealing and protective capabilities.
3
2
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.