What Are Dual Power Seats? Should it happen, this is probably the most straightforward and obvious problem. But if the sensor is damaged, the valve wont receive the right information, and the airflow will be restricted. **ATTENTION, if you are a current owner of a 2018 Chevrolet Malibu and are experiencing loss of engine power, engine issues or the "Engine Power Reduced" warning light is illuminated often, give us a call. "name": "What Does Engine Power Reduced Mean", },{ 8. { Codes say p2138 and I changed the gas pedal. Plus FAQ. However, different manufacturers handle the REP message differently. Scanned codes. Its awful and its dangerous and I have asked the Chevy dealerships about recalls. Because of the materials utilized and design, replacing a catalytic converter is an expensive repair, similar to replacing the ECU. This valves damage or breakage could cause the engine power reduced Chevy Silverado power light to come on. Often, when it becomes dirty, you'll notice one or more of the following symptoms: Check your car owner's manual or vehicle repair manual for any warnings and specific procedures to clean the ETC body and valve. Your email address will not be published. Code P2138 on 2009 Chevrolet Impala My 2009 Impala experienced "traction control not operating" for about 1 mile, with severe loss of power. Checking technical service bulletins (TSBs) issued by the vehicle manufacturer can also be very helpful. Other Possible Causes of Engine Power Is Reduced Alert on Chevy Malibu. To further complicate things, there are countless reasons why this message may pop up on your dash, and the potential causes for entering Reduced Engine Power Mode will vary depending on the year and model of the vehicle. Many Reduced Engine Power (REP) warning lights are related to faults in the ETC system. Dampen a shop rag with throttle body cleaner. The fuel filters job is to keep dirt and debris out of the fuel system, eventually needing cleaning or changing. HubPages is a registered trademark of The Arena Platform, Inc. Other product and company names shown may be trademarks of their respective owners. You may damage a sensor. It manages nearly every component of a vehicles operation and sometimes even tries to account for odd circumstances created within the motor. This is probably the most straightforward and obvious problem if it should happen. If your Impala has experienced this signal about reduced engine power, a component of its engine control indicators or the ECU is malfunctioning. In essence, you locate the dipstick and assess the quantity and caliber of the fluid. Here are some of the issues that are best-known for causing the warning to illuminate: One of the most common triggers is a problem with the electronic throttle actuator control (TAC) system. Regardless, you should have the car evaluated because this false positive can indicate an issue with the electronics. Although not the most common cause of reduced engine power, there are instances where a low oil level can lead to a lack of acceleration. Case Filed It was a well understood problem by that time with throttle position codes to put me on the right track. It manages virtually every aspect of a cars operation and even tries to account for odd circumstances introduced within the engine. General Motors, LLC (GM) is recalling certain 2017-2019 Chevrolet Silverado 2500, 3500, and GMC Sierra 2500, 3500 vehicles equipped with a dual fuel tank option. Manage Settings Always unplug the batteries before tinkering with wires or sensors while working with a cars electrical systems. it would always happen when the dealership was closed or i was on my way to somewhere important like omw to work. GMs Reduced Power Mode can inhibit your vehicles ability to accelerate. Can You Fix a Reduced Engine Power Issue at Home? By disconnecting any cables and using baking soda or another cleaning to get rid of the unwanted buildup, you can quickly clear off any corrosion surrounding the terminals. I dried my seats got in started the car and all sorts of warning lights came on including reduced engine power. The issue appears to be related to defects within the electronic throttle control and accelerator pedal sensors. Hello human, I am a GPT3 powered AI chat bot. Failing to do so can result in the vehicle entering Reduced Engine Power Mode. This allegedly causes vehicles to suddenly lose power and slow down to 20 miles per houreven when driving at highway speeds. With labor, a new one may cost more than $2000. Keep an eye out for frayed or exposed wiring. The ECM is responsible for controlling the Throttle Actuator Control (TAC) system. "@type": "Question", The other primary input to the TAC system is a pair of TP sensors. Although turbos increase an engines efficiency, if something goes wrong, the engine will lose power. Customers have allegedly overpaid for their cars due to the supposed defects that cause the powertrain problems, then owners must spend their own money to replace components that allegedly go bad again. When an automatic transmission goes into limp-in mode, limited functionality may vary, depending on the particular vehicle make and model. If it isnt functioning properly, youll be able to tell quite quickly. A car has to control the proper flow of air, fuel, and compression in order to run smoothly. GM works to quickly identify affected vehicles and notify owners. "@type": "Question", Reduced Engine Power or Engine Power is Reduced is a warning message that continues to baffle and frustrate many General Motors (GM) vehicle owners. Check the Throttle Body Engine Control and Throttle Body Motor Control circuits for issues when inspecting the TAC Module. As previously mentioned, your vehicles PCM may trigger the Reduced Engine Power Mode upon detecting a system failure. A fault in this system usually results in the vehicle going into limp-home or fail-safe mode. After I turned off and restarted the engine, the "P2138" code . Some GM models have suffered from the REP problem because of a fault affecting the throttle assembly. This system is sometimes referred to as the fail-safe mode and the limp mode since the warnings allow you to continue driving without endangering the motor or gearbox. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Make sure no one has access to the key and accidentally tries to turn on the ignition. Class-action lawsuits say GM is ignorning dangerous defects in electronic throttle controls sensors. Simple concerns like dirt or debris getting inside the turbo and messing with the operation could lead to problems. "text": "Among the main causes are Issues leading to poor fuel pressure or volumes such as a faulty fuel pump and even a restricted fuel filter excess back pressure due to a catalytic converter or a limited exhaust. an error code P1516 is a diagnostic error code unique to the manufacturer. very frustrating i couldnt get this repaired while still under warranty. Many auto part stores will download the DTCs for you, if necessary. The problem code P1516 appears, and the Check Engine light comes on. The intake funnel may be cleaned by merely opening it up and removing the debris. Maybe you're concerned you will soon. That is still mostly true. Retrieving DTCs and looking up TSBs may bring you closer to resolving your Reduced Engine Power problem, but youll still have to perform additional diagnostic steps before you can move on to the repairand having the appropriate repair information on-hand is key to making the process go as smoothly as possible. If you get the engine power-reduced signal on your Chevy Silverado, the speed at which your car runs will decrease. These newer systems have their advantages but are known to cause delayed acceleration and are more prone to complicated electrical failures. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Photo courtesy of RudolfSimon on Wikipedia. Inappropriate air/fuel ratio caused by sensor faults mass airflow sensor is often a major cause. Using a high-quality scan tool should make it quite simple to determine the exact source of the problem after scanning your car. Dont panic and trade-in your car just yetthere may be a relatively easy (and affordable) remedy for your concern. October 24, 2019 A Chevy Malibu that allegedly suffered reduced engine power caused the owner to file a class action lawsuit that alleges all 2016-2018 Malibu cars have problems with. The mass airflow sensor is situated between the air filter and the control valve. There are numerous wires and connectors within your car that keep everything powered and functional. ALLDATA and Mitchell 1 have single-vehicle subscriptions for DIYers that provide detailed factory repair information, including most TSBs. According to recent reports, the Engine Power Reduced problem seems to mainly affect the 2018 through 2022 Chevy Malibu models. It seems to have a tendency to accumulate moisture while cruising at highway speeds for a period of time under humid conditions. When the 'Engine Power Reduced' warning shows up on the screen of your car, you have to understand that the total power output of your engine has been reduced. Subaru Forester Finally Gets Turbo Engine, 2022 Mitsubishi Outlander Engine Confirmed. Remove the ignition key form the vehicle. Below, youll find some of the OBD-II codes related to the TAC system that are supported by select GM vehicles. This issue is related to the throttle position sensor, and can be caused by faulty wiring to the TPS, bad connection at the TPS, or a failed TPS. They want to charge me almost $500 just to check it out. Then, if you found any DTCs, test the particular component or circuit that the code points to, before replacing components, to make sure it is faulty. Follow the steps in your vehicle repair manual to do a throttle body relearn procedure, if necessary. Plus, GM has changed its fail-safe strategies over the years, so exactly what can engage the message depends on the year and model of your vehicle. PI0759: Mentions that Reduced Engine Power Mode may be triggered due to a faulty manifold absolute pressure (MAP) sensor connector pigtail. It would be a good idea to have a mechanic look at your car as soon as . This can make it easier to find the issue if the values are inconsistent. We and our partners use cookies to Store and/or access information on a device. Additionally, there is a problem with your car, so pushing it any further could result in more harm. Engine power reduced warning sign that comes on the dashboard of the Chevy Malibu is due to a faulty TAC system, damaged clutch, poor connection of cables, clogged catalytic converter, overheating in the engine, and misfiring of cylinders. To get the warning to go off and stay off, you (or your mechanic) will need to fix whatever underlying problem triggered it in the first place. Trouble Codes Related to Reduced Engine Power, 5. A Chevy Malibu that allegedly suffered reduced engine power caused the owner to file a class action lawsuit that alleges all 2016-2018 Malibu cars have problems with the accelerator pedal sensors and electronic throttle controls. Ask me anything car related and see if I can help you today. Major class action law firms use this data when researching cases. Asking what engaged reduced engine power warning message is somewhat like asking what turned on your check engine lightthere are too many possibilities to list. "mainEntity": [{ Have a car complaint to add? For instance, the problem could be one (or both) of the APP sensors, which are usually integrated into the accelerator pedal. And when there are any faulty connections or wires, this could affect how the vehicle operates. Photo courtesy of Tokumeigakarinoaoshima on Wikimedia. A replacement can cost up to a few hundred dollars but typically falls in line with the price of an oxygen sensor or throttle body. Water leak reaching the instrument panel to body harness connector. Is your Chevy or other GM vehicle displaying this warning on the instrument cluster? But just in case its not, the reduced engine power light alerts you to any problems. The butterfly valve that opens to let air into the engine is often close to the throttle position sensor inside the throttle body. A clogged catalytic converter can make the engine run less quickly. Reduced Engine Power 2013 Chevrolet Malibu 8.6 pretty bad Typical Repair Cost: No data Average Mileage: 96,900 miles Total Complaints: 7 complaints Most Common Solutions: not sure (6 reports). We have emphasized 5 key sources of the common issue on your vehicle. I have a 2013 xts I left the sunroof open and my interior got soaked. "acceptedAnswer": { Its not easy to turn off your Chevy Impala reduced engine power warning light; youll need to do a detailed evaluation before choosing the best solution. This code could be caused by a variety of circumstances, such as: As you have already seen, based on the model, the codes definition and description may change. Gm vehicles be related to Reduced Engine Power name '': `` Question '',,. And/Or access information on a device when driving at highway speeds dont panic and trade-in your car yetthere... 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