![]() ![]() In such cases, the warning light will go on. For example, a faulty high-pressure fuel pump can cause your engine power to reduce. If your reduced power warning light goes on, there’s a big chance something is “mechanically” wrong with your engine. When this network gets interrupted, or the PC has issues, the reduced engine power warning light will go on. These modules communicate with each other through a data network. Some older vehicles have modules that serve as mini-computers. One of the more common reasons includes one or both APP sensors in the accelerator pedal or the pair of TP sensors. Faulty throttle and pedal position sensorĪny problem within the TAC system can cause the reduced engine power warning light to go on. This issue can result in several problems with a vehicle, including entering the reduced engine power mode. When you have damaged wires and bad connections, this prevents the TAC (Throttle Actuator Control) system from operating normally. Here are a few more reasons why your reduced engine power light can go on. The reduced engine power warning light comes on for different reasons, including low fuel level, high coolant temperature, and reduced oil pressure. It might be something as simple as an air filter that needs to be changed, but it could also be more serious. If the reduced engine power light comes on, it’s best to take your car in for a diagnostic. Why might the reduced engine power warning light turn on? In that case, the reduced engine power light will come on and stay on until you fix it. Sometimes reduced engine power can also turn on when there is debris blocking one of the air intake valves. It often turns on when a car needs maintenance or repair and doesn’t mean your vehicle is about to break down, but it could be a good time for an oil change. The reduced engine power warning light shows that something has reduced the flow of fuel and/or air to the engine. What is the reduced engine power warning light? ![]() This article will help you understand what reduced engine power means to know when to take action. It often confuses drivers because it comes on at different times and for many various reasons. The reduced engine power warning light is one of the most misunderstood lights on a car. ![]()
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