An engine loss message is displayed on the Chevrolet Cruze’s dashboard. Two Chevrolet Cruzes presented this issue to me during my workshop. In the following articles, you will find a variety of information regarding why Chevy Cruze engine power is decreasing, as well as how to resolve the problem.
Why Does a Chevrolet Cruze Have Reduced Engine Power?
The Chevy Cruze you own has a message indicating it has lost engine power due to an issue detected by its ECU.
Sensors or throttle bodies that fail usually cause problems with accelerator pedals.
Why does Chevy Cruze’s engine power drop?
The main causes of this error, according to my experience with a couple Chevy Cruzes, are:
1. Sensor for the accelerator pedal is faulty
Chevrolet Cruzes with a faulty accelerator pedal sensor are most likely to exhibit “engine power is reduced.”. Accelerator pedal sensors are the ones responsible for this.
In my vehicle’s electronic throttle control system, the accelerator pedal sensor plays an important role. By monitoring the gas pedal, it tells the car’s computer how much I am pressing it down.
In order for your vehicle to respond accurately to your speed demands, the computer determines how much fuel it should provide the engine.
Your engine may not respond correctly, be less fuel efficient, and display the message “engine power is reduced.” if the accelerator pedal sensor is faulty.
2. Failure of the throttle body
An engine power issue on a Chevy Cruze can also be caused by a malfunctioning throttle body. In an engine’s air intake system, the throttle body plays an important role.
The engine’s air intake is controlled by rotating a flat butterfly valve (tube) mounted inside a tube-shaped housing.
Gas pedal input determines how much air is released from traditional spark ignition gasoline engines.
Other Possibilities
The message “Engine power reduced.” appears on a Chevy Cruze’s dashboard 90-95% of the time after discussing the main causes.
In addition to these factors, there can also be other causes of this problem.
An unreliable battery:
You can have a malfunctioning throttle if you have a bad battery in your Cruze.
The engine control unit (ECU) and other electronic components of your car may not receive enough current if the battery is not charging properly. Engine power would be reduced as a result.
Diesel Engines (Clogged DPF):
The Diesel Particulate Filter in the Diesel Chevy Cruze engines can become clogged with soot and other particles over time. Symptoms such as “Engine Power is Reduced” can appear when this occurs, resulting in poor performance.
What do I do if my Cruze’s engine power is reduced?
The OBD2 scanner will enable you to identify what the vehicle is doing incorrectly immediately; this will give you some insight into the next steps.
In the case of P2138 or 2128 codes, the brake pedal sensor needs to be replaced. If you get throttle-related codes, you should replace the throttle body.
Without an OBD2 scanner, a mechanic or dealer can scan the vehicle. If any throttle-related codes or brake pedal sensors are present, they may be able to determine them.
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Frequently Asked Questions
What does the “Engine Power is Reduced” message mean?
The “Engine Power is Reduced” warning indicates that the powertrain control module has detected a system failure, prompting the vehicle to enter a protective mode to prevent further damage. This can result in decreased acceleration and overall power.
Is there a recall related to this issue?
Yes, there have been recalls related to engine performance issues in certain Chevy Cruze models. Owners should check with their local Chevrolet dealer to see if their vehicle is eligible for any recall repairs.
What should I do if my car goes into limp mode?
If your Chevy Cruze enters limp mode due to reduced engine power:
Safely pull over to the side of the road.
Turn off the engine and restart it after a few minutes.
If the warning persists, avoid driving until you can diagnose and fix the underlying issue.
Can I fix this problem myself?
Some owners have successfully resolved this issue by performing simple fixes such as cleaning electrical connections or replacing inexpensive components like the throttle position sensor. However, more complex problems may require professional diagnosis and repair.
Conclusion
The Chevrolet Cruze engine power was reduced for a number of reasons, and as you proceed, we strongly believe that you can pinpoint the cause of the decrease. There are five main causes of common vehicle problems.
In particular, the throttle body, ECU, and oxygen sensor, as well as the throttle position sensor, are all defective. A professional mechanic should be contacted if you are unfamiliar with the subject.
Your Chevy Cruze engine power reduction was probably diagnosed correctly.
