Traditional Culture Encyclopedia - The 24 Solar Terms - What's the matter with Honda Civic's fault lights all on?
What's the matter with Honda Civic's fault lights all on?
The tenth generation Civic fault light is all on, which may be due to the poor proportion of combustible mixture in the car or insufficient combustion in the combustion chamber of the engine cylinder, resulting in the fuel system being too rich. It is necessary to check the oxygen sensor, replace the fuel injector and clean the throttle valve in the garage.
The fuel system is too rich, which may be due to insufficient air and intake pressure in the cylinder, resulting in incomplete combustion of fuel in the cylinder. Common problems include dirty throttle and intake air, carbon deposition, three-way catalyst blockage, carbon deposition in spark plugs, carbon deposition in oxygen sensors and other components.
There are too many inspection and maintenance methods for the fuel system 1. First, check the cleanliness of the throttle. If the throttle is too dirty and there is carbon deposit, it is necessary to carefully clean the carbon deposit in the throttle and air intake; 2. Check whether the three-way catalytic converter is blocked. If it is blocked, clean it with special cleaning agent first. If the effect is not good, a new three-way catalytic converter needs to be replaced. 3. Remove the spark plug and check whether there is too much carbon deposit. If there is too much carbon deposit, clean the spark plug. After cleaning, check whether the spark plug works normally. If the spark plug is abnormal, replace it. 4. There is a multimeter to detect the voltage and resistance of the oxygen sensor in the working state, and there is a waveform diagram to detect. If the oxygen sensor is damaged, it needs to be replaced.
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