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List of the table of contents of this article:

• 1, What to do if the Ford Focus engine fault light is on
• 2, What caused the cause of the Fox engine failure light
• 3
  、What is the reason why the Fox engine fault light is on

What to do if the Ford Focus engine fault light is on

The solution is to replace the ternary catalytic converter.The poor operation of the engine system may also cause the fault light to light up. The possible reasons are as follows: throttle pedal sensor, throttle position sensor, air flow meter, crankshaft position sensor and other line contact problems should be repaired and replaced according to relevant maintenance methods to solve the problem of fault light lighting.

However, if the engine has obvious faults, such as serious abnormal noise, serious vibration, engine smoke, etc., do not drive on the road. It's better to contact the repair shop and wait for rescue.

Hello, this is mainly due to the failure of the electronic control system in the engine. It is recommended that you go to the repair shop to read the fault code with the decoder, and then repair it.

Fox engine fault light is onWhat is the reason for the cause?

Exhaust gas emission does not meet the standard: such as poor fuel, ternary catalyst failure, excessive carbon accumulation in the intake pipe, blocked fuel injector, oxygen sensor failure, occasional lack of fire in the engine, etc., will all lead to the engine fault light, among which the engine fault light is on due to poor oil quality. The most conditions; just replace the ternary catalyst.

The engine fault light may light up because the sensor is damaged or faulty. The reasons for the Fox engine fault light are as follows: sensor: including water temperature, crankshaft position, air flow, intake temperature, oxygen sensor, etc.

The Fox engine fault light may be a fake fault. The fault code is reported, but it works normally. There may also be a real fault, such as the failure of the intake pressure sensor, which needs to be detected and solved in time.

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

1. The poor operation of the engine system may also cause the fault light to light up. The possible reasons are as follows: accelerator pedal sensor throttle position sensor air flow The line contact of the measuring meter crankshaft position sensor and other lines shall be repaired and replaced according to the relevant maintenance methods to solve the problem of fault light on.

2. The engine fault light may light up because the sensor is damaged or faulty. The reasons for the Fox engine fault light are as follows: sensor: including water temperature, crankshaft position, air flow, intake temperature, oxygen sensor, etc.

3. The answer is that the engine fault light is usually as follows: poor combustion state. Poor combustion state of the engine is the main reason why the engine fault light is on.