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List of contents of this article:

• 1 、What is the reason why the Audi a6 engine fault light is on
• 2, What is the reason why the Audi a3 engine fault light is on
• 3、 What is the reason why the Audi engine fault light is on?
• 4、 What's wrong with the Audi a6 engine light? The reason why the Audi a6 engine light is on
• 5, What is the reason why the Audi engine fault light is on

What is the reason why the Audi a6 engine fault light is on

1. There are many reasons why the fault light is on : 1. The engine burns insufficiently. The ternary catalytic converter fails. There is too much carbon in the air intake position of the engine. The fuel nozzle of the engine is blocked. The oxygen sensor of the vehicle is faulty. Damage to the throttlum position sensor, etc.The above problems will cause the engine fault light to light up.

2. Reason 1: The combustion state of the engine is poor; Reason 2: Engine explosion causes the car to be weak and noisy; Reason 3: The engine cylinder accumulates too much carbon.

3. Fault phenomenon: turn on the ignition switch, turn on the ignition switch to the start position, and the engine does not start.

What is the reason why the Audi a3 engine fault light is on

1. The reason why the Audi a3 engine fault light is: the oxygen sensor detects abnormal exhaust gas; the combustion in the cylinder is not good; The throttle valve gets dirty; spark plugs, ignition coil injectors, oxygen sensors and ternary catalytic blockages.

2. There is a problem with the gasoline added or the engine accumulates too much carbon, resulting in poor combustion of the engine, which may cause the fault light to turn on. Generally, the engine should be checked in time at this time, and the nearest vehicle repair shop should be found for maintenance.

3. The following common problems will cause the engine fault light to turn on: poor quality of gasoline will cause the mixed gas to burn insufficiently in the cylinder, causing the engine light to turn on, and it is also easy to produce carbon accumulation.The presence of carbon accumulation at the top of the intake airway and piston will lead to poor atomization, resulting in insufficient combustion and the engine light will turn on.

4. Two reasons: the engine driving computer is damaged. The driving computer line is loose or damaged. When there is a fault light on the dashboard of the motor vehicle, the motor vehicle cannot drive, and the vehicle needs to be repaired immediately. It can be used after maintenance and inspection.

What is the reason why the Audi engine fault light is on?

The specific analysis is as follows; sensor problems; the sensors mentioned here include water temperature, crankshaft position, air flow, intake temperature, oxygen sensor, etc. When these sensors are damaged, poor contact or the signal is interrupted, the ECU of the car cannot accurately obtain the engine data. At this time It will cause the engine fault light to light up.

The reasons why the Audi engine fault light is on are as follows: poor quality of gasoline. The quality of gasoline does not meet the standard, resulting in insufficient combustion of oil and gas mixture when the engine is working, and the engine fault light is on. This will not affect driving safety, but it will cause more or less harm to the engine.

The poor quality of gasoline and it does not meet the standard is generally due to the addition of poor quality gasoline at non-standard gas stations, resulting in insufficient combustion of oil and gas mixture when the engine is working, and the engine fault light is on. Although this does not affect driving safety, it will more or less harm the engine.

What's wrong with the Audi a6 engine light? The reason why the Audi a6 engine light is on

Reason 1: The engine combustion condition is poor;Reason 2: Engine explosion causes the car to be weak and noisy; Reason 3: The engine cylinder accumulates too much carbon.

Engine idle speed bad fault (1) Fault phenomenon: the engine works normally when it runs at medium or above speed. When the speed is idle or close to idle, the phenomenon of unstable idle speed or even shutdown occurs, that is, idle speed bad fault.

Reason: damaged sensor, poor contact or signal interruption. The engine is poorly maintained. The quality of fuel and engine oil is not good. The combustion of the mixed gas is insufficient. Spark plug failure, ignition coil failure.

Generally, if the engine fault light is on, it is possible that the burning state is not particularly good. Generally, the engine is not in good condition, which is the main reason for the amount of engine fault light. Another kind is that the engine guarantee will also cause the fault light to turn on, such as the car is weak, and the engine is too noisy, or there is an obvious sound of knocking on the cylinder.

The reasons why the Audi a6 engine light is yellow is as follows: the engine accumulates too much carbon, resulting in poor combustion of the engine, which may cause the fault light to turn on.

The quality of automobile fuel is not qualified. If the engine fault light on the dashboard of the car lights up shortly after the vehicle is refueled, then it is generally due to the wrong oil addition, poor quality, and non-standard, resulting in insufficient combustion of oil-gas mixture when the engine is working.

What is the reason why the Audi engine fault light is on

1. The specific situation analysis is as follows; sensor problems; the sensors mentioned here include water temperature, crankshaft position, air flow, intake temperature, oxygen sensing Device, etc., when these sensors are damaged, when the contact is poor or the signal is interrupted, the ECU of the car cannot accurately obtain the data of the engine, which will cause the engine fault light to turn on.

2. The reasons why the Audi engine fault light is on are as follows: poor quality of gasoline. The quality of gasoline does not meet the standard, resulting in insufficient combustion of oil-gas mixture when the engine is working, and the engine fault light is on. This will not affect driving safety, but it will cause more or less harm to the engine.

3. The poor quality of gasoline and does not meet the standard is generally due to the addition of poor quality gasoline at non-standard gas stations, resulting in insufficient combustion of oil and gas mixture when the engine is working, and the engine fault light is on. Although this does not affect driving safety, it will more or less harm the engine.