What is the cause of Wei Zhi v2 engine fault light?

The causes and solutions of the fault indicator light of Wei Zhi v2 engine are as follows: 1, and the exhaust emission is not up to standard. For example, poor fuel, three-way catalyst failure, excessive carbon deposition in the intake pipe, blocked fuel nozzle, oxygen sensor failure, and occasional engine fire will basically affect the lighting of engine fault lights, among which poor oil quality will affect the lighting of engine fault lights. The three-way catalyst can be replaced at most. 2. The fault indicator light caused by poor engine system is lit. Such as accelerator pedal sensor, accelerator position sensor, air flowmeter, crankshaft position sensor and other fault problems and poor line contact, basically affect the engine fault problem, so it is necessary to replace the sensor or line 3, and some vehicle transmission system fault problems are also indicated by the engine fault indicator light. For example, transmission internal fault problems, slippage, high temperature, etc. Need to go to the repair shop for repair inspection. The yellow engine fault light indicates that there is something wrong with some parts of the vehicle engine, and it must be stopped immediately for inspection. When the engine failure indicator light is red, you need to stop immediately and contact the repair shop for road support.