2015 chevy malibu check engine light reset

Best Answer. The check engine light (service engine soon) comes on and stays on when a problem is detected by the self diagnosis system of your vehicle. Generally, the problem is in the emissions ...

2015 chevy malibu check engine light reset. On newer Silverado 1500s, you can reset the check engine oil light using the buttons on your steering wheel. Turn the ignition on without starting the truck. Use the up, down, left and right arrow buttons to navigate the menus on the display on your instrument cluster. Find the info menu for engine oil life. It will probably give you a message ...

I have a 2016 Malibu LTZ. It's a weird 1/2 year with LED tail lights.has a 4 cylinder. Recently the check engine light came on. A friend pulled the codes. CaseyA925. 5,128 satisfied customers. It says engine power reduced and service stabilitrak. It. It says engine power reduced and service stabilitrak.

Here's how it works: First, locate your car's OBD-II port and plug in the scanner, or the adapter that will link to a wireless device. Make sure your car is then turned on and running so the ...P305F on a gen8 with stop/start is almost always one or more of the following: 1) main battery. 2) aux battery. 3) dual battery control module. Make sure you also take a look at these videos: 2016 Chevy Malibu 1LT 1.5T/6-Speed 165k miles. 2019 F-150 SuperCrew 5.0L. 2022 Mazda CX-5 PP 2.5.When your 2015 Chevy Spark's ECM (electronic control module), which is the vehicle's onboard computer, finds a problem in the electronic control system that it can't correct, a computer turns on your check engine light. This amber or yellow light is usually labeled "check engine" or "service engine soon", or the light may be nothing ...The check engine light on your 2015 Chevrolet Corvette will frequently shut itself off if the issue or code that caused it to turn on is fixed. For instance, if the cause of your check engine light coming on was a loose gas cap, if it's tightened, the light will rapidly turn itself off. Again, if your catalytic converter is working accurately ...The combustion process in your Chevrolet Suburban's engine is a finely orchestrated dance of various components, and when something goes awry, the result can be a flashing check engine light. One of the most frequent culprits behind this unsettling warning is an engine misfire, which can stem from a range of issues.Dec 17, 2022 · Plug an OBD-II scanner into your vehicle’s OBD port and reset it to clear the check engine light. Disconnecting and reconnecting your battery will restart your vehicle’s computer and clear the light. Drive an older vehicle around for a few days after repairs. The light will go off on its own once the computer resets.

Your car Check Engine Light can mean many things. The Check Engine Light comes on when there's an electrical or mechanical problem with your car. ... December 02, 2015 Check Engine Light is on Inspection Cost. Service Location. SELECT YOUR VEHICLE. $145.99 - $170.00. ... Chevrolet Trax - Check Engine Light is on - Covington, Georgia. Very ...Will the check engine light reset itself? The check engine light on your 2015 Chevy Malibu will usually shut itself off if the issue or code that caused it to turn on is fixed. For example, if the cause of your check engine light coming on was a loose gas cap, if it's tightened, the light will turn itself off.Gen 8 Malibu, Years 2013-2015 and 2016 Limited. Gen 8 Do It Yourself Maintenance ... 2014 malibu, check engine light came on. Codes were intake & exhaust position solinoid. Changed both. ... Chevy Malibu Forum is the best place for owners of the sedan to connect with the community and discuss MPG, mods, and more. ...The check engine light on your 2014 Chevy Malibu will frequently shut itself off if the issue or code that caused it to turn on is fixed. For example, if the cause of your check engine light coming on was a loose gas cap, if it's tightened, the light will rapidly turn itself off. Still, if your catalytic converter is working perfectly, and you ...Oct 22, 2023 · Turn the ignition ON and key in position II. All Chevrolet dashboard lights will turn on but do not start the engine. If your Chevrolet has a Start/Stop button, press the START button without pressing the brakes. Allow your OBD2 scanner to turn on and connect to your Chevrolet Engine Control Unit (ECU). 1. Loose or bad gas cap. It is possible for the check engine light to come on in Spark due to a loose or bad gas cap. The fuel system in modern vehicles is designed to maintain a certain level of pressure, and if the gas cap is not sealing properly, it can cause a leak and disrupt the pressure balance in the system.The simplest way to reset the Chevy "service tire monitor system" warning light is by filling your tires with air to the optimal manufacturer-recommended pressure. This pressure level can be found in your owner's manual or on a sticker in your doorjamb. After doing so, drive around normally for as long as 10 minutes.

4 Common causes of Stabilitrak and check engine light issues in the Chevy Malibu. Worn or damaged tires. Faulty wheel speed sensors. Low brake fluid levels. Malfunctioning electronic stability control module. Some possible causes of check engine light issues in the Chevy Malibu include. Faulty oxygen sensor.7. Oil pickup tube cracked, sucking air. If the oil pickup tube in your engine is cracked, it can cause the low oil pressure warning light to turn on in Malibu. The oil pickup tube is responsible for drawing oil from the oil pan and sending it …If your check engine light is flashing in your 2022 Chevy Malibu, we exceptionally endorse not to drive the car and schedule Chevy service today. Below is a list of the most common reasons your check engine light can come on: Your catalytic converter is bad or going bad. The catalytic converter is a part of your 2022 Chevy Malibu's exhaust ...Will the check engine light reset itself? ... The check engine light on your 2016 Chevrolet Malibu will usually shut itself off if the issue or code that caused ...P2097 is a diagnostic trouble code (DTC) for "Post Catalyst Fuel Trim System Too Rich Bank 1". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for ...I have 2017 Malibu. The car battery died on me yesterday. So i jumped and bought a new battery and replaced it. After i finished installing the new battery i turned the car on and off to check if the battery was working, and it turned on. But I was welcomed with low voltage notification and tcs and check engine light turned after that i tried ...

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5 posts · Joined 2011. #1 · Aug 17, 2011. I saw a thread with a similar problem as mine, but I was told to start a new one. A few months ago, my Service Vehicle Soon light came on. It would come on and stay on sometimes when I started the car, and sometimes it wouldn't go on at all. I asked a guy at Auto Zone, and he said it could be a … Hey guys. Fixing check engine on this Chevy Malibu.Enjoy.1) Why Does This BMW Run Like a Diesel?https://www.youtube.com/watch?v=wFTOU...2) You Will Want This... There are a number of possible reasons why the check engine light is on. Here are a few that relate to the Chevy Cruze. The oxygen sensor, or O2 sensor, failed (very common) The fuel cap is loose. The catalytic converter failed. The spark plugs are not functioning properly. Spark plug wires are worn.To reset the check engine light in your 2014 Chevy equinox vehicle, try disconnecting the battery cables for 10-15 minutes and then reconnecting them, or turn your ignition key to the "on" and then "off" position twice, followed by starting the engine and the light should disappear. The Questions and Answers on this page are the statements and ...

7. Edward S. April 10, 2020. Treset the oil life on a 2012 chevy malibu : turn the ignition to run , press the info button to scroll until the oil life displays, press the info and reset (arrow) buttons on the steering wheel at the same time to display oil life reset, press and hold the enter (arrow) button until the cluster shows aknowledged ...The average cost for a check engine light diagnosis & testing is ordinarily between $88 and $111. The good news, Stevinson Chevrolet offers completely free multi-point inspections and free diagnostics, in most cases, to help determine the cause of your check engine light. 2017 Chevy Malibu Check Engine Light Codes2010 chevy malibu esc warning light engine code possible fix 2008 chevy malibu check engine light reset 2001 chevy malibu check engine light blinking Reset oil maintenance light. Repair Workshop ... 2014-2016 chevy malibu check engine light on p305fChevy image0 p0073 2015 chevy malibu lt wont start but all lights are working just wont2013 ...Leaking coolant is usually a sign that your water pump needs to be replaced. This video shows you how to quickly plug it. 2013 Chevrolet Malibu LTZ 2.5L 4 Cyl. This free video provides the steps to diagnose and clear a check engine light on a 2013 Chevrolet Malibu LTZ 2.5L 4 Cyl.. The video also provides steps on how to read the 2013 …Over the past 10 years, Hans has been focused on building CarCareKiosk, which is visited by millions of drivers each month. This free video provides the steps to diagnose and clear a check engine light on a 2005 Chevrolet Malibu LS 3.5L V6. The video also provides steps on how to read the 2005 Chevrolet Malibu LS 3.5L V6 trouble code.More than just a list of Chevy Check Engine Light Codes! Our resources can help you fix your check engine light now! Informative articles, technician advice, component tests, wiring help and more! ... P1625 PCM System Reset. P1626 Theft Deterrent Fuel Enable Signal Lost. P1627 A/D Performance. P1628 ECT Pull-Up Resistor.The best way to fix leaking hoses is to replace them, but if you don't have time, a stop leak product might work for you. 2010 Chevrolet Malibu LT 2.4L 4 Cyl. This free video provides the steps to diagnose and clear a check engine light on a 2012 Chevrolet Malibu LTZ 2.4L 4 Cyl.. The video also provides steps on how to read the 2012 Chevrolet ...2011 Chevrolet Cruze LT 1.4L 4 Cyl. Turbo. If you have an electrical component that doesn't work, try replacing the fuse first. 2013 Chevrolet Cruze LT 1.4L 4 Cyl. Turbo. This free video provides the steps to diagnose and clear a check engine light on a 2011 Chevrolet Cruze LT 1.4L 4 Cyl. Turbo.

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If your check engine light turns on rapidly after you put gas in your 2020 Chevy Malibu, first thing you should check is to make sure the cap isn't loose — or that it's still on your car's roof or at the fuel pump. Your O2 Sensor (Oxygen Sensor) needs to be replaced. The Oxygen sensor, known as the O2 sensor, measures the amount of oxygen ...The service battery charging system message means there is a fault in the charging system. An amber/yellow or red battery light may accompany it to draw your attention to the problem. When you see the message on the dashboard, there is a problem that you should immediately address. It can be caused by a faulty alternator, damaged battery ...2nd red clamp - positive terminal (the booster car) 1st black clamp - negative terminal (the booster car) 2nd black clamp - any metal piece on your engine. Step 4. Start the booster's engine first before starting yours. Gradually increase the booster's idle speed to quicken the process.You might be low on transmission fluid. 2010 Chevrolet Malibu LT 2.4L 4 Cyl. This free video provides the steps to diagnose and clear a check engine light on a 2011 Chevrolet Malibu LS 2.4L 4 Cyl.. The video also provides steps on how to read the 2011 Chevrolet Malibu LS 2.4L 4 Cyl. trouble code.Use a Code Scanner. One way to perform a check engine light reset is to purchase or borrow an OBD-II scanner. Plug the scanner into the port under the steering column. Connect the cord on the scanner to this port. Turn your key to the "ON" position, but do not start the vehicle. When the dashboard lights illuminate, turn all vehicle ...Jan 9, 2016 · Please subscribe for more. how to reset service light indicator Chevrolet 2016-2019 chevy malibu oil changeBought a new 2019 chevy malibu with 2500 miles on it back in march. it Chevy malibu dashboard lights guide ksHow to reset check engine light on chevy malibu. Check Details. Engine light is on: 2013-2015 chevrolet malibu

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19163 posts · Joined 2012. #2 · Aug 24, 2016. Those type of alarms do not require resetting. Just like the windshield washer level indicator, it is only a mechanical switch. When liquid is added and the level rises, the switch turns off. You have damaged the contact/wiring/plug and the level system is indicating low. Ray.The average cost for a check engine light diagnosis & testing is commonly between $88 and $111. The favorable news, Hare Chevrolet offers complimentary multi-point inspections and free diagnostics, in most cases, to help opt for the cause of your check engine light. Chevy Malibu Check Engine Light CodesEngine light is on: 2013-2015 chevrolet malibu 2017 chevy cruze check engine light after oil change Malibu shelly lighting 2017 chevrolet malibu 20t premier engine 02. ... How To Reset Check Engine Light On Chevy Malibu | Ralnosulwe. Check Details. 2018 chevy malibu check engine light engine power reduced.1. Loose or bad gas cap. It is possible for the check engine light to come on in Traverse due to a loose or bad gas cap. The fuel system in modern vehicles is designed to maintain a certain level of pressure, and if the gas cap is not sealing properly, it can cause a leak and disrupt the pressure balance in the system.2014 Chevrolet Impala LT 3.6L V6 FlexFuel. See all videos for the 2014 Chevrolet Impala. This free video provides the steps to diagnose and clear a check engine light on a 2014 Chevrolet Impala LT 3.6L V6 FlexFuel. The video also provides steps on how to read the 2014 Chevrolet Impala LT 3.6L V6 FlexFuel trouble code.Steps to Reset Check Engine Light. Turn off the ignition and put on safety glasses and gloves. Locate the negative terminal on your car battery. It will most often have a black cap and a negative (-) symbol. The positive cap is red and will have a positive (+) symbol. Loosen the nut on the negative terminal with a wrench and pull the negative ...When your 2016 Chevrolet Malibu's ECM (electronic control module), which is the vehicle's onboard computer, finds a problem in the electronic control system that it can't correct, a computer turns on your check engine light. This amber or yellow light is typically labeled "check engine" or "service engine soon", or the light may be ...Chevy engine p0171 p0174 cruz check light2017 chevy cruze check engine light reset Cruze chevy idle flashing fixedChevrolet check engine light diagnosis in highland, mi. Clear check engine light 2017 chevy cruze[diagram] chevrolet cruze diagram Chevy cruze check engine light code p0171Solved: 2010 chevrolet cruze check engine light on. when.If “Service Stabilitrak” appears, try resetting it first. Pull over your car. Turn off the engine and let it be for a minute or so. Start the car, and hopefully, the issue will be resolved. If, however, it reappears, then this would need a proper diagnosis by a qualified technician. 11 Reasons for Service Stabilitrak on A Chevrolet MalibuUse an OBD2 Scanner. With your compatible OBD2 scanner, you can reset the Check Engine Light in a matter of seconds. If you don’t have one, we recommend checking out some of the best OBD2 scanners to purchase because this is going to be the easiest method. 1. To turn off the codes with your scanner, follow these steps: 2.The first way, which is the preferred way, is take it to a mechanic who will use a scanner and clear the codes, or you can simply unhook your battery for a few seconds, and then hook it back up. Either way will work, but if you didnt fix the problem it will come back on. 1 answer. 1 answer. How to reset check engine light on chevy malibu ... ….

Malibu. 2013. One of the moSTSimple ways to reset the check engine light on the 2013 Chevy Malibu is by using a OBD II scanner tool. All You need to do is connect the tool to Your OBD port. When You connect it, follow the instructions on Your scanner tool to reset the check engine light. Not only can You set the light with the scanner but You ... If you like to reset any maintenance oil light after an oil change. Or reset check engine light, airbag light, ... Reset engine light for a 2009 Chevy Malibu LT. Reply. admin II. 20/03/2018 at 11:49. Hello! Our team has taken in consideration your request for the future posts. Thank you!Will the check engine light reset itself? ... The check engine light on your 2016 Chevrolet Malibu will usually shut itself off if the issue or code that caused ...Gen 8 Malibu, Years 2013-2015 and 2016 Limited. Gen 8 Problems/Service Issues/Troubleshooting ... If the check engine light came on, a fault code would exist. It would be helpful to know what that code is. ... Chevy Malibu Forum is the best place for owners of the sedan to connect with the community and discuss MPG, mods, and more. ...The "check engine" light can be triggered on a vehicle for many reasons including a loose gas cap, low oil levels, engine overheating and high operating temperatures, O2 sensor failure or catalytic converter issues. In models of the 2018 Chevy Malibu, however, the cause is related to A-A-Classction lawsuit that claims engine power is greatly reduced suddenly due to defective manufacturing. The ...See full list on chevroletofturnersville.com Mar 30, 2018 · Check Engine Light on 2011 Malibu. Thanks in advance for any help. So my Malibu's check engine light has been on for literal years. It first started coming on a few years back but was fixed by just re-adjusting the gas cap. Then it stayed on, and I got a diagnostic from the dealer that said it was just a computer malfunction and would need to ... If your check engine light is flashing in your 2021 Chevy Malibu, we highly suggest not to drive the vehicle and schedule Chevy service today. Below is a list of the most common reasons your check engine light can come on: Your catalytic converter is bad or going bad. The catalytic converter is a part of your 2021 Chevy Malibu's exhaust system. 2015 chevy malibu check engine light reset, Step 2 – Check the fuel cap. The service engine light is connected to your emissions control system. This is why, when the light comes on, you'll notice that your fuel efficiency will go down. The system has a sensor attached to the fuel cap and will trigger the service engine light whenever the fuel cap isn't closed tightly., I have a 2015 Chevy Malibu LT having issues with check engine light changed intake rocker arm solenoid and same code got another one same code now its giving mechanic a lot of different codes very frustrating he has been working on it for a week and every time some same codes and some new ones. any help. Like., Service StabiliTrak Warning: Your Malibu’s “Service StabiliTrak” warning light is the number one indication that something is wrong. Cruise Control : If one of the wheel speed sensors is not working correctly, your Malibu may lose cruise control. Traction Control Not Working: Your Malibu’s traction control system primarily uses the same ..., Chevy malibu 2012 engine light tuned onAnswered: engine power reduced (chevrolet malibu) I have a 2017 chevy malibu. there is a check engine light on with theMalibu emissions. Malibu engine chevy check lightResetting the check engine light on a chevy malibu ., May 20, 2023 · 1. Loose or bad gas cap. It is possible for the check engine light to come on in Cruze due to a loose or bad gas cap. The fuel system in modern vehicles is designed to maintain a certain level of pressure, and if the gas cap is not sealing properly, it can cause a leak and disrupt the pressure balance in the system. , Cargurus malibuEngine light is on: 2013-2015 chevrolet malibu Reset light malibu chevy engine check oil change lifeI have a 2017 chevy malibu. there is a check engine light on with the. Check Details 2014-2016 chevy malibu check engine light on p305f, Check that and the other things repairman54 pointed toward at engine-codes. The P305F is also common, usually the main battery, aux battery, or positive …, 1. Loose or bad gas cap. It is possible for the check engine light to come on in Colorado due to a loose or bad gas cap. The fuel system in modern vehicles is designed to maintain a certain level of pressure, and if the gas cap is not sealing properly, it can cause a leak and disrupt the pressure balance in the system., Here's what to do: With a fully charged battery, put the key in your Malibu's ignition and turn it like you are going to start the engine. Leave the key in the on position. You'll see the little padlock symbol, security light, or service theft deterrent system message. Once the padlock goes out (takes about ten minutes), try and start ..., Causes Of Engine Power Reduced Chevy Malibu. According to recent reports, the Engine Power Reduced problem seems to mainly affect the 2018 through 2022 Chevy Malibu models. Along with the reduced engine power, there is often one or more trouble codes present in the computer. Most of the Malibu cars affected have a 1.5-liter turbocharged four ..., May 20, 2023 · The flashing light often indicates a misfire, which can cause damage to the catalytic converter. When this happens, the engine should be turned off immediately to prevent further damage. 1. Loose or bad gas cap. It is possible for the check engine light to come on in Suburban due to a loose or bad gas cap. , Gen 8 Malibu, Years 2013-2015 and 2016 Limited. Gen 8 Problems/Service Issues/Troubleshooting ... I have a 2013 Chevy Malibu LS 2.5L I'm installing a new ECM into. However these gm cars feature an antitheft lock system or passlock system. ... I have joined the flashing check engine light with no crank after replacing the ecm with a fs1 …, The check engine light on your 2015 Chevy Equinox will usually shut itself off if the issue or code that caused it to turn on is fixed. For example, if the cause of your check engine light coming on was a loose gas cap, if it's tightened, the light will turn itself off. Likewise, if your catalytic converter is going functional, and you did a ..., Chevrolet Trax (2013-2022) Workshop Manual. General Information & Maintenance. Reminder Indicator Reset Procedures. Check engine light ... CHECK ENGINE LIGHT RESET SWITCH LOCATION (GEO TRACKER) <. Fig. 1: Check Engine Light Reset Switch Location (1992-94 Geo Tracker - Federal Emissions), Coolant hoses wear out over time and need to be replaced - check 'em early and often. 2015 Chevrolet Impala LT 2.5L 4 Cyl. This free video provides the steps to diagnose and clear a check engine light on a 2015 Chevrolet Impala LT 2.5L 4 Cyl.. The video also provides steps on how to read the 2015 Chevrolet Impala LT 2.5L 4 Cyl. trouble code., How to reset check engine light on chevy malibu How to fix p305f check engine light code Malibu light chevy oil reset How to reset check engine light on polaris ranger 900 ... How to reset check engine light on polaris ranger 900. 2015 chevy malibu lt wont start but all lights are working just wontHow to fix engine power reduced chevy malibu ..., I have 2017 Malibu. The car battery died on me yesterday. So i jumped and bought a new battery and replaced it. After i finished installing the new battery i turned the car on and off to check if the battery was working, and it turned on. But I was welcomed with low voltage notification and tcs and check engine light turned after that i tried ..., 2015 chevy malibu check engine light. Image0 p00732016 chevy malibu check engine light codes I have a 2017 chevy malibu. there is a check engine light on with theReset oil light 2015 chevy malibu.. Check Details Check Details. Resetting the Check Engine Light On a Chevy Malibu - VehicleHistory. Check Details. 2016 Chevy Malibu LT: ERROR P0299 ..., Set your Brake (Optional but Safe). With your vehicle in the ON position without starting the engine. Take your KEYLESS REMOTE/ KEY FOB and hold in both the LOCK & UNLOCK buttons at the same time until the horn beeps 2x, informing you it is ready to reprogram the TPMS. Get out and go to the front of your vehicle., 3. Turn on the ignition without starting the engine. 4. Follow the instructions specific to your OBD-II scanner to access the diagnostic menu. 5. Select the option to "Read Codes.". 6. The scanner will retrieve and display the check engine light codes associated with your Chevrolet vehicle. 7., If your check engine light turns on instantly after you put gas in your 2016 Chevy Malibu, initial thing you should check is to make bold the cap isn't loose — or that it's still on your car's roof or at the fuel pump. Issues with any aftermarket items. An aftermarket alarm, exhaust or different item can wreak havoc on your 2016 Chevy ..., What to expect when your 2015 Chevrolet Malibu has a Check Engine Light. When the Check Engine Light (CEL) comes on it means there is a fault detected by your car's diagnostics which may be related to the engine, transmission, or emission system. The technician will use a scanner that connects to the vehicle's diagnostic port to determine ..., Top Answer. Marie B December 28, 2020. Resetting the engine light on the Chevrolet Cruze is very easy to do. It will only take about 4 to 8 minutes of Your time. The first thing You will need to do is go to the driver's side of You vehicle, open the door, and climb inside. Next, take a look at Your dashboard., To reset a check engine light yourself, disconnect the car battery, then turn on the headlights for a few minutes to drain the remaining energy and cause a hard reset. Finally, rec..., Get the code scanned and see what it is. That is the next best step. Check fluid levels and all other visual indicators at well. Make sure the gas cap is tight too. Once the code is cleared your remote start should work properly again. Sent from my SM-G965U using Tapatalk. '14 1500 Sierra SLE 5.3L Z71. Like., How to Reset the Check Engine Light. Common Questions. What Are Trouble Codes? Trouble codes are a number sequence of letters and numbers that correspond with a standardized list of problems that can occur in any vehicle, including the Chevy Malibu. Some of them are Chevy specific, while most have the same meaning no matter who made the vehicle., Oct 4, 2019 · If you have a 2014 to 2016 Chevrolet Malibu with a Check Engine light on and a code is stored for the Auxiliary Battery then this video is one you need to wa... , The issue is more on the 2016 to 2018 Chevy Malibus. If you noticed the engine power reduced on Chevy Malibu 2016, contact your dealership and see if you are eligible for the 2016 Chevy Malibu engine recall. Some owners also complained that check engine light accompanies the engine power reduced message in some cases. If you see a check engine ..., What to expect when your Chevrolet Malibu has a Check Engine Light. When the Check Engine Light (CEL) comes on it means there is a fault detected by your car’s diagnostics which may be related to the engine, transmission, or emission system. The technician will use a scanner that connects to the vehicle’s diagnostic port to determine the ..., Chevy malibu car with lock symbol on dashboard2008 chevy malibu check engine light reset 2015 chevy malibu check engine lightWhere is the traction control button on a buick enclave. Check Details. Check engine light is on: 2001 chevrolet malibu 3.1l v6., 7. Oil pickup tube cracked, sucking air. If the oil pickup tube in your engine is cracked, it can cause the low oil pressure warning light to turn on in Malibu. The oil pickup tube is responsible for drawing oil from the oil pan and sending it …, Step 3: Proceed to the clearing or erasing menu on the scan tool. Follow the prompts on the scan tool's screen to get to the menu. Step 4: Erase or clear the codes. Step 5: Remove the scan tool and test drive the vehicle. If the Check Engine Light comes back on, then there is still an issue with your car., If the light remains on in your Silverado HD even after addressing the gas cap issue, it is possible that there is another underlying problem that needs to be diagnosed. 2. Faulty O2 sensor. A faulty upstream oxygen (O2) sensor can cause the check engine light to come on in Chevy Silverado 2500 HD.