What Causes the Car to Display a Warning Light?

1 Answers
LeAyla
07/30/25 6:13am
The reasons for the car's warning light to illuminate include faults in the water temperature sensor, crankshaft sensor, oxygen sensor, spark plugs, ignition coil, etc. After the engine warning light comes on, it can be categorized into the following three scenarios: 1. Malfunction: The car cannot start, possibly due to a fuel pump or ignition component failure. In this case, call for assistance immediately. 2. Sensor Fault: The warning light is on, but there are no noticeable abnormalities while driving. This might just be a sensor fault, and you can continue driving temporarily, but at a low to medium speed cautiously. 3. Shaking: The engine warning light is on, the vehicle can still be driven, but experiences severe shaking, lack of acceleration power, and other symptoms. In such a situation, you must stop the car and call for help.
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