Risk your life to reveal the secret! OBD fails to pass the annual inspection. Why should it be scrapped？

Recently, the hottest topic in the automobile circle, in addition to new cars such as Xiaomi Yuqi and Zunjie S800 landing in the Ministry of Industry and Information Technology, will be the OBD annual inspection.

President with a search, what?"The strictest in history", "The nightmare of car owners" and "People have hospitals and cars have M stops"Such statements emerge in endlessly:

On the short video platform, there are also some"The car is so new that OBD failed the annual inspection."Content of:

Public opinion is fierce, and many car owners can’t help wondering if their cars will be stuck because of OBD after reading these articles or videos.Faced with the need to go to the designated maintenance station to spend high-priced maintenance, or the vehicle is forced to scrap.

For a time, the condemnation of OBD annual inspection was wave after wave.

Then, the voice on the network is complicated. Who is telling the truth? Is the OBD annual inspection really so terrible, will it make the old car scrapped and the new car tremble?

This matter, we have to start with OBD.

so-calledOBD, is the abbreviation of "On-Board Diagnostics", which translates as "On-board diagnosis system”。

As long as your car is not too old, there is such an interface at the lower left of the steering wheel, and you can plug in a special OBD readerReading sensor data of the vehicle,You can also seeFault code of vehicle:

Similar to the application of other electronic and electrical technologies in automobiles, with more and more engine sensors, OBD has been loading cars overseas since 1970s and 1980s. After 2000, OBD has gradually become a standard in China.

At first, the role of OBD was only used to diagnose engine failure, which was convenient for car companies and repair shops to "prescribe the right medicine" after sale.

But later, with the deepening of environmental protection concept,Laws and policies are increasingly controlling the pollution of automobile exhaust.Forced car companies to upgrade engine technology to control vehicle exhaust emissions.

At this time, OBD, which can monitor the performance of three-way catalyst, oxygen sensor data, exhaust gas recirculation system (EGR), particle trap (GPF) and other components, can come in handy.

Theoretically, the most direct way to monitor automobile exhaust is to keep watch on the exhaust port.

This "dynamic vehicle exhaust detection method" has also become the root of many people’s "violent annual inspection": in the previous annual inspection, it was really necessary to push the car onto the platform and simulate the driving state.Test the exhaust emission by stepping on the accelerator!

But now, with the development of technology, the work of monitoring exhaust gas can be advanced to OBD. You only need to read the OBD in advance and monitor the running status of the engine.Judging the emission of tail gas:

For example, the EPF (particle trap) is blocked and the engine is lit; Or the three-way catalytic converter is dismantled, and harmful substances such as nitrogen oxides in the exhaust gas exceed the standard, which is definitely not going to pass the annual inspection.

In short, OBD, as a software system, mainly aims atSimplify the annual inspection process.

In fact, it is not a recent thing that OBD has been included in the annual inspection of automobiles, but it has been several years.

In 2019, the Ministry of Ecology and Environment issued the "Emission Limits and Measurement Methods of Gasoline Vehicle Pollutants (Double Idle Speed Method and Simple Working Condition Method)", which added OBD inspection as a part of "environmental inspection": focusing on key points,Environmental inspection.

Therefore, for example, if your tire pressure is too low, the vehicle will report to the police, or if the reversing image is broken, it will not get stuck and fail the annual inspection. have onlyEnvironmental protection and exhaust-related failures have occurred,You need to call back for maintenance and re-inspection.

So, why did the topic of OBD suddenly become so popular until recently?

Since the beginning of this year, many private testing stations have taken the risk of breaking the law and committing crimes in order to attract customers.Issue false emission inspection reports,Let the vehicles with substandard exhaust gas pass the annual inspection. The fee charged may be only a few hundred yuan.

Perhaps it was reported by an informant, or maybe the relevant department seized relevant clues, but it is more likely that the environmental protection department monitored it.The air pollution caused by automobile exhaust is becoming more and more serious …After Dalian seized the first related case in early November, many inspection stations were investigated and punished by fines, suspension of inspection and rectification.

This is a lot of human feelings recently."The annual inspection of automobiles has become stricter"The reason-

In the past, the monitoring station turned a blind eye, and the testing fee was safe. If you don’t strictly test now, you really want to close down for rectification, and you have no money to earn!

It is precisely because of this that many old cars in poor condition, especially those trucks with illness, have become the targets of "not passing the annual inspection" and "being the most injured" in this round.

Old netizens also know that this topic that affects people’s livelihood has always been a stimulant for the media. This has led to a lot of unscrupulous self-media catching shadows and selling anxiety.Get a huge amount of traffic by causing panic.

So what?"OBD annual inspection is a new regulation in 2025", "OBD annual inspection for three times but the car is scrapped",It’s all for this dish of vinegar, jiaozi,It’s a pure rumor.

Then the more critical question is coming, "in the rumor"M station"What is it? Can the owners of unqualified vehicles only go to M station for maintenance or take the vehicle scrapping process?

In fact, in the "Methods" issued by the Ministry of Ecology and Environment, the relevant regulations on OBD detectionThere is no saying that "unqualified products can only be sent to M station for maintenance", and there is no saying that "X times of unqualified products need to be scrapped".

This so-called M station comes from the Notice on Establishing and Implementing the Vehicle Emission Inspection and Maintenance System jointly issued by the Ministry of Ecology and Environment, the Ministry of Transport and the General Administration of Market Supervision in 2020, and it corresponds to Station I..

The official explanation of the Bureau of Ecology and EnvironmentHere’s the thing:

I/M system is a system that motor vehicles in use should be inspected regularly by the motor vehicle emission inspection agency (Station I) in accordance with the relevant regulations of the state and our province, and vehicles with unqualified exhaust emissions must be repaired by qualified maintenance enterprises (Station M), so as to finally improve the pollutant emission status of motor vehicles. "I station" refers to the automobile emission inspection agency, which is what we usually call the motor vehicle inspection station; "M station" refers to the maintenance (repair) organization of automobile emission performance, which is what we usually call a repair shop, but it must have certain qualifications.

"Local transportation departments at all levels should supervise and guide the maintenance and repair of automobile emissions according to laws and regulations.One or two types of automobile maintenance enterprises and three types of automobile maintenance enterprises engaged in engine maintenance can be used as automobile emission performance maintenance (maintenance) stations.. "

Therefore, this M station is not a few official cooperative stations, but a group of maintenance stations with formal maintenance qualifications and will not be "corroded by money", which can ensure thatVehicles are inspected annually without cheating.

To put it bluntly, you can go anywhere to repair the car; It’s just that I have to go back to M station in the end to make sure I didn’t cheat.

As for everyone who thinks that the M station is expensive, and the exhaust gas may not meet the standard after repair, there is actually a poor information, which is hard to believe outside the automobile industry:These accessories related to exhaust gas are really expensive! ! !

Take a luxury brand as an example, just an oxygen sensor,Official price 3200:

If it is a three-way catalytic converter meeting the emission of country 6b,Official price 39899.99(There are odd and whole ones.）：

Moreover, even if one or more original parts are replaced at a huge cost, it may be due to various reasons such as "burning engine oil", "carbon accumulation in the cylinder", "insufficient combustion of gasoline" and "GPF regeneration".Causing the tail gas not to pass.

(President tips: Those car owners who can’t pass the annual inspection and want to keep their own vehicles can actually try to start from these angles, or directly drive on the high-speed Bigfoot oil for a while, instead of blindly replacing accessories at high prices.

In addition, the electronic sensor can be repaired by auxiliary factory parts, but if it is a ternary accessory, the auxiliary factory parts are almost all money-wasting, and it is likely that it will not pass if it is changed.)

This means that according to the relevant documentsExcessive emission vehicleThis passage:

"In the use of motor vehicles to discharge air pollutants exceeding the standard, it should be maintained; After maintenance or adoption of pollution control technology, if the emission of air pollutants still does not meet the national emission standards for motor vehicles in use, it should be forcibly scrapped. "

Because of this, many people "feel tired and don’t love" and choose to scrap their cars and throw them into the arms of new cars.

Write it at the end

Finally, the president also wants to say a few fair words impartially.

Whether the OBD test is included in the annual inspection of automobiles or the state establishes and implements the automobile emission inspection and maintenance system, it is actually a good thing.

The former canPrevention and control of air pollution,NengHelp users understand the working state of the car;And the latter is to push the whole car.Standardization of annual inspection system,evenStandardization of new car productionA link in.

If it can be strictly enforced, those "broken cars" with black smoke and heavy tail gas will not appear on the road, affecting the health of pedestrians and non-motor vehicles; No more car companies will dare to "cut corners" on emissions.

Unfortunately, good intentions do not always bring good results.

In the process of the sustainable development of the automobile industry, it is not uncommon for emission inspection agencies and emission performance maintenance stations to play in collusion. This is the industrial chain relationship of "being both a referee and an athlete", and the account will be divided afterwards …

Therefore, some netizens shared their cars that were stuck in the OBD detection step.It’s not all lies.

For example, when a BMW X3 was inspected, the emission was up to standard, and there was no fault code, but the inspection agency’s machine did not read the OBD data, and the final result was the same.The vehicle was called back and asked for re-inspection.

From the user’s point of view, this is a bit like an "accident"-my car is fine, but I need to spend extra time to check it again. Isn’t this a waste of time, energy (and maybe money)?

Not to mention, there are also some cars that are in good condition, which makes the owners angry.

Although there is almost no need to worry about problems in the annual inspection of vehicles that are normally used, this does not affect the fear of responsibility of the nervous testing institutions. If there is a sign of trouble, they will protect themselves and stay away;

There is no guarantee that some normal vehicles will be stuck in the first annual inspection after 6 years because of the quality problems of the vehicles themselves.

But in any case, standardization is the only way for the domestic automobile industry.

This is true for fuel vehicles, and so is it for new energy vehicles.

Part of the rumor—The "New Regulations for 2025" refers to the "Inspection Rules for Safety Performance of New Energy Vehicles" which will be launched on March 1, 2025.

Little friends who want to know, poke here: "New Energy Exclusive Annual Inspection" is about to land! Will your electric car survive next year?

This is China’s first safety inspection standard specifically for new energy vehicles.Suitable for pure electric vehicles and plug-in hybrid vehicles (including extended range),The inspection of three electrical systems (battery, motor and electronic control) has been added.

This means that the annual inspection of new energy vehicles also has special inspection items, and the "three-electricity inspection (especially the health of power batteries)", which is strongly called by the public, is really available now.

Predictably,In the future, the testing standards for new energy vehicles will be gradually improved.Problems will always accompany.

But the president believes that the development of things is spiraling, and it is inevitable that there will be setbacks and contradictions. The end result must be that the whole industry will continue to improve.