What does it mean when the engine yellow light is on and the car won't start?
2 Answers
When this situation occurs, it indicates a malfunction in the vehicle's electronic ignition system, which requires initialization and resetting of the system. Here is some relevant information: 1. Definition: The car engine is the device that provides power to the vehicle, serving as the heart of the car, determining its power, fuel efficiency, stability, and environmental friendliness. Depending on the power source, car engines can be categorized into diesel engines, gasoline engines, electric vehicle motors, and hybrids, among others. 2. Maintenance and Repair: Car engines require regular maintenance. When driving through areas that are particularly humid or have excessive dust, it is also necessary to inspect and maintain the relevant components of the engine.
I encountered the same issue last winter. The engine warning light was on, and the car just wouldn't start—it was so frustrating. The reasons could be a failing battery, especially in older cars where the battery has aged and the voltage drops too low for the starting system to work, triggering the warning light. Another possibility is a faulty sensor, like the crankshaft position sensor; if it's broken, the ECU won't receive the signal and the engine won't ignite. A faulty fuel pump failing to deliver fuel is also a common cause. That time, I called a mechanic who diagnosed it as a sensor issue—replacing it fixed the problem. My advice: if this happens, don’t panic. First, check if the battery terminals are loose or measure the voltage; below 12V means the battery is dead—try jump-starting. If that doesn’t work, tow it to a shop for repairs—safety first. Make it a habit to check the fuel system and battery seasonally to avoid being stranded at critical moments.