Why does my car say reduced engine speed?
“Reduced Engine Power” Message In most cases, the Engine Power Reduced warning indicates that your car’s performance has been intentionally limited. Your car’s primary computer, often known as the powertrain control module (PCM), triggers Reduced Power Mode when it detects a system failure.
What causes the reduced engine power light?
The reduced engine power light comes on when the vehicle’s computer detects a fault in any of the systems that allow the engine to run optimally, such as airflow sensors, throttle sensors and oxygen sensors.
How do you fix a reduced engine power light?
Solutions to Reduced Engine Power Light
- Replace the Air Flow Sensor. There are couple of ways to detect if your vehicle’s air sensor is not working properly.
- Replace Air Filter. Another step in having a healthier engine is to make sure you have a clean air filter in perfect working condition.
What does it mean when your engine power is reduced?
In other words: The Engine Power Reduced message is GM’s way of telling you that your car has entered a fail-safe mode. GM’s Reduced Power Mode can inhibit your vehicle’s ability to accelerate. Even if power isn’t reduced immediately, performance may be limited the next time you go to drive the car.
When do I get a reduced engine power warning?
The nice thing about this type of system is that it can be even more instant than an actual hard connection by a cable. The bad thing is, when there is a problem in any part of this system, it can render the vehicle literally un-driveable and you will get a check engine light and reduced engine power warning.
Where do I find reduced engine power message?
If you’ve got the owner’s manual to your GM vehicle (Chevy, Buick, etc.) handy, you can flip to the section about the driver information center (or instrument cluster). There, you’ll find a general overview of what the Engine Power Reduced message means for your particular year and model.
Is it safe to drive with reduced engine power?
There is not much risk of driving in this mode, since the vehicle will not be a pleasure to drive, acceleration will be poor, gas mileage excessive on some vehicles, and shifting gears is jerky at best. In addition, some vehicles may disable the radio, or other non-essential accessory components.