What is what does it mean when it says engine power reduced?

When your car displays a message like "Engine Power Reduced," it indicates that your vehicle's computer has detected a problem that could potentially damage the engine or other critical components. To protect the vehicle, the computer limits the engine's power output. This is a safety mechanism designed to prevent further damage and encourage you to seek immediate service.

Here's a breakdown of what it means:

• Limited Performance: You'll notice a significant decrease in acceleration and overall power. The vehicle may struggle to maintain speed, especially uphill. This is the most noticeable symptom.

• Underlying Problem: The message is a symptom, not the actual problem. It means something is wrong with the engine, transmission, or related systems. Potential causes can include issues with the throttle%20body, fuel%20system, ignition%20system, or sensors.

• Possible Causes: Common culprits behind this message are malfunctioning sensors (like the mass airflow sensor or oxygen sensor), issues with the electronic throttle control system, problems with the fuel injectors or fuel pump, and even certain transmission issues. A diagnostic scan is necessary to pinpoint the exact cause.

• Immediate Action Required: It's crucial to address this issue promptly. Continuing to drive with reduced engine power can potentially worsen the underlying problem and lead to more extensive (and costly) repairs.

• Diagnostic Scan: A mechanic will use an OBD-II%20scanner to read the error codes stored in the car's computer. These codes will provide valuable clues about the source of the problem.

• Repair: Once the cause is identified, the appropriate repairs can be made. This might involve replacing a faulty sensor, cleaning the throttle body, repairing the fuel system, or addressing a more complex issue within the engine or transmission.