Car TipsHow To

How To Bypass Reduced Engine Power

If you’ve ever experienced the dreaded “Reduced Engine Power” warning on your vehicle’s dashboard, you know just how frustrating and potentially dangerous it can be. This warning is typically a result of a malfunctioning engine control module (ECM) and can severely limit your vehicle’s performance.

Thankfully, there are a few steps you can take to bypass reduced engine power and get your vehicle back to running at full capacity. Here’s how:

Identify the Cause of Reduced Engine Power

Before attempting to bypass reduced engine power, it’s crucial to understand the underlying cause of the issue. There are a few common reasons why the ECM may trigger this warning, including:

  • Faulty throttle body
  • Clogged air filter
  • Bad accelerator pedal sensor
  • Malfunctioning fuel pump
  • Issues with the wiring or connections to the ECM

Identifying the specific cause of the problem will help you determine the best course of action to bypass reduced engine power.

Reset the ECM

In many cases, simply resetting the ECM can be an effective way to bypass reduced engine power. To do this, you’ll need an OBD-II scanner tool that can clear the error codes from the ECM’s memory. Once the codes are cleared, the ECM will reset itself and may no longer trigger the reduced engine power warning.

Clean the Throttle Body and Air Filter

If the issue is caused by a clogged air filter or a dirty throttle body, cleaning these components may be enough to bypass reduced engine power. Start by removing the air filter and cleaning it thoroughly. Then, use a throttle body cleaner to remove any dirt or debris from the throttle body.

Check the Accelerator Pedal Sensor

If the accelerator pedal sensor is faulty, it may need to be replaced. However, before doing so, you can check the sensor’s resistance with a multimeter. The resistance should increase smoothly as you press down on the accelerator pedal. If there are any irregularities or spikes in the resistance, the sensor may be faulty and require replacement

Inspect the Fuel Pump and Wiring

If the fuel pump or the wiring to the ECM is faulty, this can trigger the reduced engine power warning. Inspect the fuel pump for any signs of damage or wear, and check the wiring and connections to the ECM for any loose or damaged wires.

Bypass Reduced Engine Power with a Performance Chip

If none of the above steps work, you may need to consider using a performance chip to bypass reduced engine power. Performance chips can modify the signals sent from the accelerator pedal sensor to the ECM, effectively overriding the reduced engine power warning.

While performance chips can be an effective solution, it’s essential to ensure that they are compatible with your vehicle’s make and model and are installed correctly to prevent any further damage


Reduced engine power can be a frustrating and potentially dangerous issue for any driver. However, with the right approach, it’s possible to bypass this warning and get your vehicle running smoothly again. By following the steps outlined above, you can identify the underlying cause of the issue and take the necessary steps to bypass reduced engine power and get back on the road with confidence.

Rachael McAdams

I'm Rachael, CEO of AutoGeeX, bring unrivaled expertise and passion to the automotive industry. With extensive knowledge and a deep understanding of cars, she shares captivating tales, invaluable insights, and practical tips with readers. As an active presence in the car community, Rachael ignites excitement, revolutionizing the automotive landscape with AutoGeeX's pursuit of perfection.

Related Articles

Leave a Reply

Your email address will not be published. Required fields are marked *

Back to top button