This happened to my 2010 Silverado about a week ago, along with a knocking in the engine. My 2003 2500 siverado check engine light comes and display's reduced engine power. The reduced engine power message means that the "throttle by wire" system has detected a fault. Dec 12, 2009 | 2003 Chevrolet Silverado 2500HD. Re: Traction control, stabilitrak, engine power reduced. You 2003 Avalanche does not have a mechanical link between the gas pedal and the throttle valve, it's all electronic. Sean1906. on. Reduced engine power. Reduced Engine Power On Chevrolet Silverado. Chevy Silverado 2003, Connecting Rod Bearing Set by Sealed Power®. 1 Answer 2004 Chevy silverado 2500HD the left stop light not working. Keep reading to find at least one possible answer to “Why is my Chevy Silverado losing power?” Read More: How Can You Tell If Your Pickup Is Overloaded? Turned out to be a misfire in the #6 cylinder. Find 2003 Chevrolet Silverado 1500 recalls information, reported by the NHTSA, and we will help you find a nearby service center where you can get your car fixed. Comment; Flag; More. Anyone know what thi 2003 Chevy Trailblazer-CHECK ENGINE LIGHT AND ... Dec 23, 2011 Reduced Engine Power message Jul 29, 2008 2003 Chevrolet Silverado - Reduced Engine Power Nov 3, 2007 Trailblazer - Reducted Engine Power Aug 3, 2006 More results from www.topix.com Reduced Engine Power Message Displayed on … The truck has almost 200k miles on it. No engine power. Manual says it comes on due … Traction control, stabilitrak, engine power reduced. CHECK AIR FILTER!!! Purchased a 2003 Chevrolet Suburban with the 5.3L v8 in it a couple months back. 2003 Chevy Silverado Engineering Tech Car Youtube Fictional Characters Technology Automobile Youtubers 2003 chevy silverado reduced engine power - 2003 Chevrolet Silverado 2500HD. Average repair cost is $50 at 130,100 miles. Chevy Truck Forum | Silverado Sierra GMC Truck Forums. You need to get that scanned. Aug 24 2013, 5:08pm. Get the best deals on Complete Engines for 2003 Chevrolet Silverado 1500 when you shop the largest online selection at eBay.com. When the weather starts to get cool the "reduced engine power" shows on the dash and I have to stop and turn the engine off. Dec 10, 2012. I have a silverado 6.0 and it has no power. 2003 chevy silverado reduced engine power. It keeps getting a "reduced engine power" message on the dash, then it doesn't have any power, its like putting a brick under the gas pedal. I use to have edge juice with attitude hooked up to it, so the dealer says thats what is screwing up my truck. July 4, 2016, 10:13pm #1. Want Answer 0. Full Forum Listing. Answer: With the engine light on, there is a code stored in the computer. This is great news, since it helps narrow down where the ECU thinks that the problem is. Warning lights- engine light. Get detailed information on the 2003 Chevrolet Silverado 1500 including specifications and data that includes dimensions, engine specs, warranty, standard features, options, and more. Explore Our Forums. Saved by Brake Chamber. Apr 13 2019, 2:29am. Traction control, stabilitrak, engine power reduced. Traction control, stabilitrak, engine power reduced. We tested the fuel pressure and that is good. MSRP: $18,800. Question My truck is running, the engine light is on, it says power reduced, but the gas pedal doesn't work. The gauges all went wild and reduced engine power displayed on the dash. Went to start the truck in the morning and the reduced engine power warning came on in the DIC. Checking codes found a code p1516 stored for Predicted VS. Print this page ; Share this page × Ad. Advertisement. Advertisement . It doesn't have the get up and go like our other silverado. Reduced Engine Power - code u0107 - help. This truck has a brand new engine with many sensors/parts replaced 2 months ago: Nox sensors All o2 sensors MAP MAF Spark … The 2003 Chevrolet Silverado 2500 has 4 problems reported for reduced engine power. From time to time, my Tahoe gives me the “Reduced Engine Power” error, and I lose acceleration capabilities and have to pull over. Typically, the “engine power reduced” warning light on your dash means that your vehicle’s performance has been reduced to avoid damaging its engine. Chevrolet Silverado 2003 5.3L. Come join the discussion about Silverados, Sierras, and other full size trucks performance, modifications, suspension, lift kits, tires, maintenance, and more! Taking its name from the top trim level from the Chevrolet C/K series, the Silverado is offered as a series of full-size pickup trucks, chassis cab trucks, and medium-duty trucks. Introduced for the 1999 model year, the Silverado is the successor to the long-running Chevrolet C/K model line. Reduced Engine Power & P0641 Code. I brought it to 2 mechanics already and they can't figure it out. A good code scanner is really cheap and can make the process a whole lot smoother. When your vehicle goes into reduced engine power mode, also known as limp mode, it can be truly frustrating. Check engine light illumination; Reduced Power message; OBD trouble code P2135; 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. Clicking this will make more experts see the question and we will remind you when it gets answered. 2003 Chevy Trailblazer-CHECK ENGINE LIGHT AND ... Dec 23, 2011 Reduced Engine Power message Jul 29, 2008 2003 Chevrolet Silverado - Reduced Engine Power Nov 3, 2007 Trailblazer - Reducted Engine Power Aug 3, 2006 More results from www.topix.com Reduced Engine Power Message Displayed on GM Vehicles 2 Answers. Maintenance/Repairs. You most likely have one of two problems: 1. Drove good until it started throwing "Reduced Engine Power". 2003 Chevy Tahoe Reduced Engine Power. The 2003 Chevrolet Suburban has 14 problems reported for reduced engine power. Check engine light; Reduced Power message; OBD trouble code P2135; 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. it may also lack the power to get up to speed, and will shudder when idle. With no rhyme or reason, the light will be on or off on the next start up. This 2003 Chevrolet Tahoe with a 5.3 liter engine came in with the customer complaint of the reduced power display was on and the vehicle could not be driven more than about 30 mph. After 30 to 60 seconds and a restart the engine runs fine but the check engine icon shows on the dash. 2007.5 Silverado 5.3 Throwing a P0641 code 5 volt Stabilitrak, traction control, and engine power reduced shown. Free shipping on many items | … 2003 Chevrolet Silverado. Anonymous . Sometimes I have to do this 3 or 4 times. . When it happens it slows down and a dinger goes off and as we pull over, the truck shakes violently. Reduced Engine Power message displayed. If your GM truck occasionally loses the ability to accelerate and warns you of reduced engine power, that could be caused by a faulty throttle body. I have replaced the fuel filter and throttle body already. I can shut off engine and let sit for 30 seconds and re fire and keep going with 0 issue. Advertisement. I have went to the dealer and they cleared the code so they could try to duplicate the code, which it never came back for them. Some customers may comment on an illuminated malfunction indicator lamp (MIL), with a Reduced Engine Power message displayed. The Chevrolet Silverado is a range of trucks manufactured by General Motors under the Chevrolet brand. Average failure mileage is 186,800 miles. Won't let the vehicle go over 15 mph when it does this and have to pull over and shut it off and let it sit before it will drive without doing it. Reduced Engine Power Causes: Chevy Silverado. 2003 CHEVROLET SILVERADO; V8; AUTOMATIC; Enter your question. No engine power. Jump to Latest Follow 1 - 6 of 6 Posts. Your car will slow to 20-30 MPH, and some non-essential functions, such as the car radio, may also be affected. 2003 Chevy Silverado 49,000 miles. Chevy Truck Forum | Silverado Sierra GMC Truck Forums. Posted by oregonborn04 on Dec 12, 2009. Fair Market Price:? Chevrolet Silverado 1999-2006: 5.3L vs. 5.7L V8 Engine Differences 5.3L vs. 5.7L V8 Engine Differences For those undecided on which 5-liter Vortec engine will best fit there needs, turn to this article for an in-depth review of both. Aug 18 2015, 11:31pm. May 08 2019, 2:48am. Question . If you have the reduced engine power light, then there are going to be some diagnostic trouble codes stored in your OBD II system. The computer in your car, also known as its “electronic control unit” (ECU) has triggered the Reduced Power Mode after it has detected a system failure. it may experience misfires and generally will run bad once started. My dealer checked it and the code of P1516 was thrown. After the engine has been off for about five or ten minutes, then it seems to be fine but then may start all over again. D. dbross ... A forum community dedicated to GMC and Chevy full size owners and enthusiasts. New Friend: An expert that … It’s recommended that you try to avoid driving a car more than a few miles in reduced engine power mode. Level 1: An expert who has achieved level 1. Click Here to Read More. Underhood Service Staff Writers. Chevy Truck Forum | Silverado Sierra GMC Truck Forums. After a min or 2, I can go again, but the check engine light stays on. By. The throttle position sensor (TPS) on the Chevrolet Silverado 2500 HD is notorious for failure which causes:. Have noticed that it usually only does it when accelerating. Fixing a 2007 Chevy 2500 HD With a "Reduced engine power" Message This content is accurate and true to the best of the author’s knowledge and is not meant to substitute for formal and individualized advice from a qualified professional. The most common fault is a small break in a wire near the throttle body. 11 Silverado 1500, been throwing a code where it cuts off power, and traction control and stabilitrak are shut off. Watch the following two videos that show how a damaged wire caused a Reduced Engine Power message to appear in a 2007 Chevy HD. May 06 2020, 4:25pm. Chevy Truck Forum | Silverado Sierra GMC Truck Forums. if the 2003 chevy silverado has an issue with the engine coil then you will have a hard time starting it. 2003 silverado reduced engine power!!!!! Reduced Engine Power & P0641 Code. Chevy Truck Forum | Silverado Sierra GMC Truck Forums. 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