How to read the engine number
Engine number is one of the important information for vehicle identification, and it contains key data such as manufacturer, production date, displacement, etc. Whether it is buying a used car, repairing and completing vehicle procedures, it is crucial to understand how to view the engine number. This article will introduce in detail how to view engine numbers, structure analysis and frequently asked questions.
1. Common locations of engine numbers
Engine numbers are usually engraved on the engine block or related components, and the positions of different models may vary. Here are several common engine numbering locations:
| Car Type | Engine number position |
|---|---|
| car | The side of the engine block and under the front cover |
| SUV/MPV | Near the engine compartment firewall and at the gearbox connection |
| Truck/truck | The right or bottom of the engine needs to be viewed using a lift |
| motorcycle | Near the engine crankcase or cylinder |
2. Structural analysis of engine number
Engine numbers are usually composed of letters and numbers. The encoding rules of different manufacturers may be different, but generally contain the following information:
| Components | meaning | Example |
|---|---|---|
| Top 1-3 | Manufacturer code | VIN (Volkswagen), LFW (Chang'an) |
| 4-8 in the middle | Engine model/displacement | 1.5T, 2.0L |
| The last few | Production serial number | 00012345 |
3. How to correctly read the engine number?
1.Clean the engine surface: Dust or oil may block the number, so it is recommended to wipe it with a detergent first. 2.Using lighting tools: In the case of insufficient light, you can use a flashlight to assist in viewing. 3.Photo record: Use your mobile phone to shoot numbers for easier subsequent verification. 4.Check vehicle certificates: The engine number should be consistent with the driving license and vehicle nameplate.
4. Frequently Asked Questions
Q1: What is the difference between engine number and frame number (VIN)?
A: The frame number is the only identification of the entire vehicle, including information such as the model, production place, etc.; the engine number is only for the engine itself.
Q2: What should I do if the engine number is unclear?
A: You can contact the 4S store or professional maintenance agency to read electronic records through OBD equipment.
Q3: Is it legal to have the engine number tampered with?
A: Privately tampering with engine numbers is an illegal act and may involve smuggling or assembling a vehicle.
5. Summary
Engine numbers are important signs of vehicles. Mastering their viewing methods and structures can help avoid car purchase traps or maintenance disputes. If you encounter abnormal numbering or unrecognized situations, it is recommended to consult a professional or relevant department in time.
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