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List of catalogs of this article:

• 1, What is the reason why the engine fault light of Volkswagen Passat is on?
• 2, What causes the Volkswagen engine failure light to turn on
• 3 、 What is the reason why the fault light of Volkswagen's engine is on?
• 4, What is the reason why the engine light of Volkswagen Swift is on?
• 5, What's wrong with the engine light of Volkswagen Swift 2o23?

What is the reason why the engine fault light of Volkswagen Passat is on?

Passat engine fault light is onWhat causes the Passat engine fault light? What causes the engine fault light caused by the exhaust gas emission not meeting the standard? The Volkswagen Passat engine fault light is on.

The following are the specific reasons why the Volkswagen Passat engine fault light is on: sensor failure: including 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. Cause the engine fault light to turn on.

The combustion condition of the engine is not good; the fuel quality is poor; the inside of the engine cylinder is very dirty and there is carbon accumulation. The solution is to use a computer detector for diagnosis. If it is just a wrong fault code, just clear it.

Exhaust gas is notIf the standard is met, the engine fault light will turn on. There are three reasons why Passat's engine fault light turns on: the exhaust gas emission does not meet the standard, which may be caused by poor fuel, ternary catalyst failure, excessive carbon accumulation in the intake pipe, blockage of the fuel injector, oxygen sensor failure, and occasional engine lack of fire.

Sensor failure, oil quality problem; mixed gas poor combustion spark plug failure, ignition coil failure; fuel pump failure, oil line blockage, etc.; supercharging problem, air intake problem, exhaust problem.

What is the reason for the Volkswagen engine fault light

The reason why the Volkswagen engine fault light is on: sensor problem, the sensor mentioned here includes water temperature and 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, which will cause the engine fault light to turn on.

There are many reasons why the Volkswagen engine fault light is on, including: damage to the vehicle oxygen sensor, dirty vehicle throttle, blocked air intake system, dirty fuel injector system, expansion of spark plug, and blocked oil line system. The article introduces sensor problems, maintenance problems and oil quality problems in detail here. Sensor problem.

Sensor problem; 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, which will cause the engine failure light to turn on. .

What is the reason why the fault light of Volkswagen's engine is on?

Sensor problem; the sensors mentioned here include water temperature, crankshaft position, air flow, intake temperature, oxygen sensor, etc. When these sensors are damaged, the contact is poor or the signal is interrupted, the ECU of the car cannot accurately obtain the engine data, which will cause the engine failure light. Bright.

The reason why the fault light of the Volkswagen engine is on: sensor problem. 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, the engine fault light will turn on.

There are many reasons why the Volkswagen engine fault light is on, including: damage to the vehicle oxygen sensor, dirty vehicle throttle, blocked air intake system, dirty fuel injector system, expansion of spark plug, and blocked oil line system. The article introduces sensor problems, maintenance problems and oil quality problems in detail here. Sensor problem.

Sensor The sensor is damaged, the contact is poor or the signal is interrupted, causing the car ECU to receive the wrong engine data, and finally misjudgment to turn on the engine fault light. There are many car sensors, among which the most core ones are water temperature, crankshaft position, air flow, intake temperature, oxygen sensor, etc.

What is the reason why the engine light of Volkswagen Swift is on?

The fault light of the Swift engine is caused by the failure of the oxygen sensor of the car.The solution is: go to the 4S store or repair shop of the car in time to overhaul the oxygen sensor fault of the car to solve the problem. Nowadays, two oxygen sensors are installed on the car, and one is placed in front and behind the ternary catalyst.

The Volkswagen Swift engine light is on, and the combustion state is not good: The poor combustion state of the engine is the main reason why the engine fault light is on. Due to the inaccurate coordination between various parts of the engine, the combustion state of the engine is not good, causing the engine indicator light to light up.

Maintenance problem; Poor engine maintenance is the most common cause of engine failure.

If the engine fault light is on, there is no abnormal sound in the cabin, there are no other abnormal prompts on the instrument, the vehicle power is not affected, and the gearbox upshift is not affected, you can continue to drive 4The S store will further investigate, because the inlet and exhaust, etc. may cause the engine fault light to turn on. The specific problems will be analyzed in detail.

What's wrong with the engine light of Volkswagen Swift 2o23?

1. The reasons for the failure are as follows: there is a fault or poor combustion inside the engine, which is caused by insufficient oil, damage to the spark plug or problems with the exhaust pipe.

2. The fault light of the Swift engine is due to the electrical failure of the engine (including air flow meter, throttle, intake pressure sensor, oxygen sensor, ignition coil, spark plug and other parts) and engine mechanical failure (including fuel quality problems, carbon accumulation problems, etc.).

3. Like our vehicles usuallyThere will be many sensors, and the more common ones are water temperature sensors, oxygen sensors, etc. When the sensors are damaged or have poor contact, the engine fault light will light up.

4. Possible causes of failure: A. The failure of the start-up system makes the engine unable to rotate or rotate too slowly: 1 the battery storage is insufficient, the electrode pile clamp is loose or the electrode pile column is seriously oxidized; 2 the total circuit fuse is broken; 3 the ignition switch fails; 4 the starter fails; 5 the starter line is broken or the line connector is in poor contact.

5. Exhaust problem: Exhaust failure will also cause the engine fault light to turn on. The failure of post-oxygen sensors, ternary catalysts, exhaust camshafts and shaft tiles are all causes of exhaust problems, among which ternary catalysts are the most common.

6. The first situation is that the indicator light will turn on when the engine throttle control system or engine system fails.There may be many kinds of faults, such as too much carbon accumulation in the throttle valve, causing problems with the opening angle, the engine failure and lack of cylinder affect the abnormal operation of the throttle valve, air leakage at the rear of the throttle valve, abnormality of the intake pressure sensor inspection data, etc.