What is the reason for the failure light of BYD f3 engine on 1 1?
BYD f3 fault light is a common fault. The fault light is all on because of ECU CAN bus fault, which should be due to poor contact of ECU CAN interface. The reason is that there is something wrong with the circuit. You can unplug the battery and try to reconnect it. If it can't be solved, it's time to go to the repair shop and diagnose with scanning tools.
When checking a new car, you must pay more attention to the following indicators: engine failure, air bag, water temperature, ABS, seat belt, car battery, car oil, oil quantity, door not tightly closed, brake disc, hand brake, turn signal, high beam, broken glass water, fog light, width indicator light, etc.
The engine fault light usually comes on for the following reasons:
1, poor combustion state The poor combustion state of the engine is the main reason for the engine fault light.
2. There are usually three cases of engine knocking: the first case: the car is weak; The second case: the car is weak and the engine noise is too large; The third case: there is obviously a knocking sound. In the first case, some engine fault lights will be on, and some will not. In the second and third cases, the engine fault light will be on.
3. Internal causes of engine fault light:
(1) poor fuel quality.
(2) The engine cylinder is dirty and has carbon deposit.
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