What is the reaction of the car that burns natural gas when the oxygen sensor is broken

1. Oxygen sensor poisoning.

2. The ceramic of the oxygen sensor is broken.

3. The heater resistance wire is burned out.

The rear oxygen sensor is mainly used to monitor the working status and effect of the three-way catalytic converter. The output voltage signal of the normal front oxygen sensor is higher than that of the back, and the output voltage signal of the rear oxygen is a little lower because the exhaust gas is purified by the three-way catalytic converter. ECU judges the working condition of the three-way catalytic converter according to the two signals, and can control the air-fuel ratio more accurately according to the comparison signal of the front and rear oxygen, so that the engine can work under the best working conditions.

The oxygen sensor is a very important and indispensable part of the closed-loop control mode of the EFI engine.

When the oxygen sensor is damaged or the value is inaccurate, the ECU cannot receive an effective feedback signal, and it will turn on the limp mode, that is, read the preset value from the program and inject fuel according to the predetermined program, so that there is no feedback signal from the oxygen sensor, and the natural air-fuel ratio cannot be controlled in real time, and the fuel consumption will increase a little. Exhaust emissions will also fall short of the mark, power may be a little weaker, and idle speed may also be affected. Therefore, whether the front oxygen sensor is damaged or the rear oxygen sensor is damaged, it must be replaced and repaired as soon as possible.

Hello, this sub-situation, generally there is a fault light, nothing else is affected, nine out of 10 cars that burn gas have this situation [there is a problem with the car, ask the car master. 4S shop professional technician, 10 minutes to solve. 】

No, you cannot. According to your situation, if the damage is your front oxygen sensor, then you can no longer use it, you must choose to replace, otherwise it will cause the vehicle's idle shake and the vehicle's fuel consumption increases, if your vehicle's rear oxygen sensor is damaged, because the rear oxygen sensor only detects the quality of the three-way catalysis, so if the rear oxygen sensor is damaged, you can not rush to replace.

Cars usually have two oxygen sensors, a front oxygen and a rear oxygen, the front oxygen is generally installed on the exhaust manifold, and the rear oxygen is installed behind the three-way catalytic converter, and their respective roles in the exhaust system are different, so the symptoms of failure will be different.

The automotive oxygen sensor is the key feedback sensor in the EFI engine control system, and is the key component to control automobile exhaust emissions, reduce environmental pollution of automobiles, and improve the fuel combustion quality of automobile engines.

The oxygen sensor is a measuring element that uses ceramic sensing elements to measure the oxygen potential in various heating furnaces or exhaust pipes, calculates the corresponding oxygen concentration by the principle of chemical equilibrium, monitors and controls the combustion air-fuel ratio in the furnace, and ensures that the product quality and exhaust emissions meet the standards.

The oxygen sensor is used to electronically control the feedback control system of the fuel injection device, which is used to detect the concentration of oxygen in the exhaust and the concentration of the air-fuel ratio, monitor the combustion of the theoretical air-fuel ratio (:1) in the engine, and transmit feedback signals to the computer.

No, you cannot. If the front oxygen sensor is damaged, it can no longer be used and must be replaced, otherwise it will cause idle shake of the vehicle and increase the fuel consumption of the vehicle.

If the rear oxygen sensor of the vehicle is damaged, because the rear oxygen sensor only detects the quality of the three-way catalysis, it is said that if the rear oxygen sensor is damaged, there is no need to replace it in a hurry.

Cars usually have two oxygen sensors, a front oxygen and a rear oxygen, the front oxygen is generally installed on the exhaust manifold, and the rear oxygen is installed behind the three-way catalytic converter, and their respective roles in the exhaust system are different, so the symptoms of failure will be different.

Oxygen Sensor Principle:

1. The oxygen sensor is a standard configuration on the car, which is a measuring element that uses ceramic sensitive components to measure the oxygen potential in the exhaust pipe of the car, calculates the corresponding oxygen concentration by the principle of chemical equilibrium, and monitors and controls the combustion air-fuel ratio to ensure product quality and exhaust emission standards.

2. The oxygen sensor is widely used in the atmosphere control of various types of coal combustion, oil combustion, gas combustion and other furnaces, it is the best way to measure the combustion atmosphere, with the advantages of simple structure, rapid response, easy maintenance, convenient use and accurate measurement. The use of this sensor for combustion atmosphere measurement and control can not only stabilize and improve product quality, but also shorten the production cycle and save energy.

There are 2 oxygen sensors, one before and one behind, and after the front oxygen sensor fails, the accurate oxygen concentration cannot be read. Naturally, it is impossible to accurately stabilize the air-fuel ratio. The air-fuel ratio is out of tune, and of course the engine cannot function properly.

There will be an impact. If the latter one is broken, whether your three-way catalytic converter is good or bad, the car can't tell.

The oxygen sensor is not involved in the work of the open-loop control in the case of the concentrated mixture, and the closed-loop control is only when the vehicle speed is stable, and the high-speed economic mixture is closed-loop control, starting, and rapid acceleration are the concentrated mixture Oxygen sensing is only a fuel injection correction, not the main control signal, and the car can still start driving, but the idle speed is unstable The engine speed is high and low during driving.

It is mainly to detect the inlet air temperature separately, determine the area, and correct the fuel injection amount; The oxygen sensor detects the oxygen concentration of the exhaust gas to correct the amount of fuel injected; The knock sensor detects the knock of each cylinder to correct the ignition time. Broken sensors can cause increased fuel consumption, engine shake, exhaust gases not marked, and difficulty starting (in plateaus or cold climates).

Summary. The most common failure of an oxygen sensor is failure, and there are two main reasons for this:

The first is clogged with carbon particles, at which point the signal voltage of the oxygen sensor will be too high, and the engine computer will therefore issue instructions to reduce the amount of fuel injected, making the mixture too thin.

The second is that dust and oil block the through hole between the oxygen sensor and the atmosphere, at this time, the signal voltage of the oxygen sensor will be low, and the engine voltage will indicate that the injector will inject more fuel, causing the mixture to be too thick.

What are the symptoms of a broken oxygen sensor in a natural gas car.

The most common fault of the oxygen sensor is failure, and there are two main reasons: the first is blocked by carbon particles, at this time, the signal voltage of the oxygen sensor will be high, and the engine computer will therefore issue instructions to reduce the amount of fuel injection, so that the mixture is too thin, and the second is that dust and oil block the through hole of the oxygen sensor and the atmosphere, at this time, the signal voltage of the oxygen sensor will be low, and the motor voltage will indicate that the laughing injector will inject more fuel, causing the mixture to be too thick.

The oxygen sensor is an important part of the early stage of the electronically controlled fuel injection engine, and once the Shiyou fails, it will not only exceed the emission standard, but also deteriorate the working condition of the engine.

I hope I can help you with my balance, and I hope you can give me a thumbs up, your evaluation is very important to me, thank you, I wish you a happy life, a lot of money, and good luck. 

The impact is as follows: the oxygen sensor of a gasoline vehicle is broken, and it will cost fuel to drive.