1. Oxygen Sensor: A faulty oxygen sensor can cause a loss of power and trigger the engine symbol light. The oxygen sensor measures the amount of oxygen in the exhaust gases and sends this information to the engine control unit (ECU). If the oxygen sensor is faulty, it can send incorrect information to the ECU, which can cause the engine to run inefficiently and lose power.
2. Spark Plugs: Worn-out or faulty spark plugs can also cause a loss of power and trigger the engine symbol light. Spark plugs are responsible for creating the spark that ignites the fuel in the engine's cylinders. If the spark plugs are worn out or faulty, they can produce a weak spark or no spark at all, which can cause the engine to misfire and lose power.
3. Mass Air Flow Sensor: A faulty mass air flow (MAF) sensor can also cause a loss of power and trigger the engine symbol light. The MAF sensor measures the amount of air entering the engine and sends this information to the ECU. If the MAF sensor is faulty, it can send incorrect information to the ECU, which can cause the engine to run inefficiently and lose power.
4. Fuel Injector: A faulty fuel injector can also cause a loss of power and trigger the engine symbol light. Fuel injectors are responsible for delivering fuel to the engine's cylinders. If a fuel injector is faulty, it can deliver too much or too little fuel to the cylinders, which can cause the engine to run inefficiently and lose power.
5. Catalytic converter: A blocked or damaged catalytic converter can also cause a loss of power and trigger the engine symbol light. The catalytic converter is a device that helps to reduce the amount of harmful emissions produced by the engine. If the catalytic converter is blocked or damaged, it can cause exhaust gases to build up in the exhaust system, which can lead to a loss of power and trigger the engine symbol light.
It's important to have your car checked by a qualified mechanic to diagnose the exact cause of the engine symbol light and loss of power. Ignoring this issue can lead to further damage to your vehicle and potentially more costly repairs.
