Chevy trax engine light

5. Bad spark plug wires. mediagram/123rf. A bad spark plug wire can and will make your check engine light turn on. As its name implies, a spark plug wire transfers electricity from the coil to the ...

Chevy trax engine light. In cold weather driving, 2017 chevy Trax will throw a check engine light 20 minutes after startup, which shuts down the vehicles ability to maintain speed. This happens in town and on the highway. Code says turbo freezing. The vehicle will go max 40mph uphill on the highway and max 60mph on flat or downhill highway.

Sep 29, 2022 · 2019 Chevy trax, new plugs, new ignition coil, new battery. Testing without ac. No stored codes and no stable check engine light. Edit- I put the original ignition coil back on the car and the check engine light, stablitrak and most the sputtering is gone. It’s back to doing what I was before, sputtering every so often.

Chevy Mechanic: Daniel Chaidez. Understood. If there was sludge in the engine then there is a good chance that the turbo was damaged unfortunately. See the turbo is fed high pressure oil to keep it cooled and lubricated and if the oil was broken down or sludged this damaged the turbo. The most common check engine light causes of your Trax and how to detect them. Ignition cylinder problems: irregular engine running. Problem with exhaust gas oxygen sensor (Lambda probe): irregular engine running, there are misfires when accelerating abruptly or driving at low revs. Mar 2, 2022 · 1. Replace the exhaust front pipe and the warm up three-way catalytic converter. NOTE: A new converter with less than 100mi on it may set the P0420 DTC due to outgassing of the internal matting. Operating the vehicle at highway speeds for approximately 1 hour may correct the condition." 2019 Chevy trax, new plugs, new ignition coil, new battery. Testing without ac. No stored codes and no stable check engine light. Edit- I put the original ignition coil back on the car and the check engine light, stablitrak and most the sputtering is gone. It’s back to doing what I was before, sputtering every so often.The reason your Chevy Trax shakes at idle but smooths out when accelerating is that the engine is spinning faster, which smooths out any misfires. If a motor mount is causing the problem, once you put the vehicle into gear, the torque from the engine will hold it against the frame. It can be very jarring when your Chevy Trax …Any time the MIL symbol lights up on your dashboard, your car's brain is trying to tell you something is out of a normal range. It could be something simple, like a worn part that needs replacing ...

This can exactly be the cause. A damaged, old or dirty spark plug can cause the engine to misfire. If your check engine light is always flashing, please contact our team of automotive experts at Coggin Chevrolet at the Avenues promptly by calling 9045745317.The 2017 Chevrolet Trax has 2 problems reported for check engine light on. Average failure mileage is 36,600 miles. Trax. 11/12/2023 Loss of power when driving up a hill.- felt some backwards drift. 11/13-14/2023 Shuttering vibration and engine revving during acceleration but no forward movement. 11/15/2023 ... Chevrolet Trax High Beam Lights On. This means your front high-beam driving lights are on. These lights are used for 0.01% of driving and typically for country roads late at night. Fines can apply for use of high beams in dense residential areas. Do NOT use high team driving lights within 400 metres (1,000 feet) of an oncoming car. The 2015 Chevy Trax' check engine light may illuminate due to a loose gas cap. When tightened, the light will go off. Drive the car for at least 15-20 minutes above 25 mph. If You've been starting and stopping excessively, the catalytic converter may be stressed and driving at highway speeds should clear the CEL. An O2 sensor often …21 Jul 2023 ... 2024 Chevy Trax 2 RS Engine and Underneath Vehicle Demonstration. 7.4K views · 9 months ago ...more. Try YouTube Kids. An app made just for ...

The 2016 Chevrolet Trax has 3 problems reported for check engine light on. Average failure mileage is 48,000 miles. ... 2016 Chevrolet Trax Owner Comments . problem # 3. Aug 11 2022. Trax LT 1.4L ...When the key is turned to “on” position, the power steering light and stabilitrak light are on. Nothing happens when attempting to crank it up. No click, no engine turning. Jump start with another car or battery results in the same thing. Again, car drove without any issues up to the point where it wouldn’t start.The check engine light on your 2021 Chevrolet Trax 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 quickly turn itself off. Also, if your catalytic converter is working accurately, and ...Below we have highlighted the most common causes of a check engine light. Loose Gas Cap: Your gas cap is loose, broken, or simply missing. Gas cap issues can reduce fuel pressure and allow fuel vapors to escape, reducing fuel economy and increasing harmful emissions. Failing Catalytic Converter: Your catalytic converter can eventually clog with ...Here is the extract from the invoice: Customer states check engine light is on and will not go over 15mph. VERIFIED CONCERN. CHECKED FOR DTC'S. FOUND: P0236 00 TURBO BOOST SENSOR PERF. P0237 O0 TURBO BOOST SENSOR CKT LON VOLTAGE‘. P0340 00 INTAKE CAM POS. SENSOR CKT. P0365 00 EXHAUST CAM POSITION SENSOR CKT.

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P0420 Engine Controls and Fuel Catalyst low efficiency. If it was one of the HO² sensors it would have set a specific code for that particular sensor. P0420 is very hard to diagnose. It could be as simple as a dirty air filter to a bad CAT. Never drive faster than your guardian angel can fly!!!13 posts · Joined 2017. #1 · Nov 18, 2017. Hello Forum I am new to this forum. I have a 2016 Trax LS never had an issue except A/C Wife just had a CEL come on with (according to O'Reilly) code P0171 and P0131. the reader said it was for the 02 sensor b1 s1 however she received a note from onstar saying she had an issue with the ABS and ...On 02/02/21 My 2015 Chevy Trax LTZAWD mileage 96,612 was taken to Karl Tyler Lewiston Chevrolet, Lewiston, Idaho. I experienced the check engine light and stabil trak light came on engine lost compression. The dealership said it had a code P300 misfire and replaced the coil, sparkplugs and oil change. the following morning on my way to work at ... The 2017 Chevrolet Trax has 26 NHTSA complaints for the engine at 17,563 miles average. (Page 1 of 2) ... Check engine light - PO299 popped up (lack of power to turbo charge) check all vacuum ... Jun 28, 2015 · Here is the extract from the invoice: Customer states check engine light is on and will not go over 15mph. VERIFIED CONCERN. CHECKED FOR DTC'S. FOUND: P0236 00 TURBO BOOST SENSOR PERF. P0237 O0 TURBO BOOST SENSOR CKT LON VOLTAGE‘. P0340 00 INTAKE CAM POS. SENSOR CKT. P0365 00 EXHAUST CAM POSITION SENSOR CKT. 2019 Chevy trax, new plugs, new ignition coil, new battery. Testing without ac. No stored codes and no stable check engine light. Edit- I put the original ignition coil back on the car and the check engine light, stablitrak and most the sputtering is gone. It’s back to doing what I was before, sputtering every so often.

The check engine light on your 2019 Chevy Trax 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 properly, and you did ... 2017 Chevy Trax Check Engine Light Flashing. Although there are countless potential causes of an illuminated Check Engine Light, we know from years of providing Check Engine Light Diagnosis Service that there are many common causes including something as simple as a loose gas cap. Other mainly common reasons for a Check Engine Light …Your Trax’s engine needs air, fuel, and spark to achieve optimum ignition . When one or more of these variables is off, it can lead to a rough idling condition. Fuel – The ideal air-to-fuel ratio is 14.7 parts air to one part fuel. Air – The air entering your vehicle’s engine must be metered by the MAF or MAP sensor.Jan 19, 2021 · Icon in dashboard. Reduced engine power. I had that engine looking icon come up on my dash board . The engine power seemed alittle off when I did a trip to Long Island NY . Didn’t think too much of it but that was in September last year. Mechanic told me that there is not enough air circulating . Told me it was a valve that had to be replaced . 15 Aug 2023 ... 2017 Chevy Trax Reset Oil Light. 42 views · 7 months ago ...more. Richierock1. 4.6K. Subscribe. 0. Share. Save.24 May 2023 ... Comments145 · 2024 Chevy Trax 2 RS Engine and Underneath Vehicle Demonstration · 2024 Chevrolet TRAX 2RS Sterling, Leesburg, Vienna, Chantilly, ....2020 Chevrolet Trax Edit. Kelley Blue Book®. Trade-In Value: $10,348. Valid for ZIP Code 23917 as of 04/30/2024. Mileage:The check engine light resembles an engine and serves to notify you of several potential problems within your engine or emissions system. This light can either ...

The reason your Chevy Trax shakes at idle but smooths out when accelerating is that the engine is spinning faster, which smooths out any misfires. If a motor mount is causing the problem, once you put the vehicle into gear, the torque from the engine will hold it against the frame. It can be very jarring when your Chevy Trax …

If your check engine light is flashing in your 2018 Chevy Trax, we very 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: The battery is low or dead. The battery in your 2018 Chevy Trax is every crucial. Without a vehicle battery, your vehicle won ...It’s official: a fully electric Chevy Corvette is coming — with new battery technology to boost its range, acceleration and efficiency. When it arrives, the battery-electric sports...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 Trax due to a loose or bad gas cap. 5 posts · Joined 2020. #3 · Nov 18, 2020. Your Check Engine Light may be indicating a simple problem that's easy to fix—such as a loose gas cap that needs to be replaced. It could also be a warning of a serious problem that could damage your engine components. Your Check Engine Light blinks or glows depending on what's wrong with …Step 2: Look at the Hoses. Start by locating the purge valve solenoid and tracing the lines that connect to it as far as they run. If any of them are cracked, broken, or disconnected, repair them and see if that clears P0441. If you live in a drier climate, or your Trax is older/has high mileage, cracked hoses can throw P0441.1 post · Joined 2019. #1 · Feb 5, 2019. I have a 2018 Chevy Malibu LT and my engine light, traction control system light, and reduced engine speed came on while driving at a high speed on the highway. Speed dropped to 40 mph and almost got rear-ended. I was told that it may be water intrusion into the instrument panel that can cause many ...2019 Trax Problem - Won't Accelerate after Stop Sign, then Stalls. I have a 2019 Chevy Trax that I bought (used) just this past August from a local dealer. Yesterday on my way home from work, I was stopped at a stop sign. When it was clear, I tried accelerating to turn left and despite pushing on the gas pedal, the car just wouldn't go.Chevy Mechanic: patrick capp. No problem at all! The most typical causes of a misfire are that spark plug or the ignition coil. I would swap that number 3 spark plug to cylinder 1 and then see if the misfire code switches to cylinder 1. If it does we know that spark plug is defective even though it is newer.Condition Certain 2017-2018 model year Chevrolet Sonic/Trax and Buick Encore vehicles equipped with a 1.4L engine may have a condition that could cause the turbocharger to fail. If this condition occurs, the Malfunction Indicator Light (Check Engine Light) will illuminate and a diagnostic trouble code will set.Mechanic's Assistant: Im sorry to hear about the check engine light on your 2018 Chevy Trax and the confusion regarding the P0299 code and the De-Ice Air Intake System, but the Chevy Mechanic will be able to provide you with a clear explanation and the best solution for your situation. Have you noticed any other issues or issues with your …

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The check engine light illuminates in Chevy Trax when the on-board diagnostic system detects a problem with the engine or emissions system. If left unchecked, the issue could cause more serious problems and result in costly repairs.2019 Chevy trax, new plugs, new ignition coil, new battery. Testing without ac. No stored codes and no stable check engine light. Edit- I put the original ignition coil back on the car and the check engine light, stablitrak and most the sputtering is gone. It’s back to doing what I was before, sputtering every so often.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 Trax due to a loose or bad gas cap. 2020 Chevrolet Trax Edit. Kelley Blue Book®. Trade-In Value: $10,348. Valid for ZIP Code 23917 as of 04/30/2024. Mileage: P0171 fuel trim system lean. Chevrolet Trax 2016 52000 miles. Check engine light Loses power Code P0171. Check engine light is on and now the traction light is on. Car runs rough when stopped and it loses power when accelerating form a stop and going up hills. Code reads P0171 fuel trim system lean DTC severity 2-3. Chevy Mechanic: Daniel Chaidez. Understood. If there was sludge in the engine then there is a good chance that the turbo was damaged unfortunately. See the turbo is fed high pressure oil to keep it cooled and lubricated and if the oil was broken down or sludged this damaged the turbo. The check engine light is part of every vehicle that has an electronic engine management system, either an integral one or only for fuel ignition. Its function is to alert the driver about any type of engine problems. While driving, the computer of your Trax (ECU o PCM) monitors air/fuel supply and exhaust gases in order to verify that the ... Trax. 300 miles. The contact owns a 2019 Chevrolet Trax. The contact received a recall notice for NHTSA campaign number: 19V312000 (suspension). Ganley Chevrolet (13865 brook park rd, brook park ... One of the most serious issues that can happen to your Chevy Trax ‘s engine is if it ends up with low oil pressure. Low oil pressure will cause the engine to seize up. When the oil pressure light on, it should be assumed that the engine locking up is imminent. We advise not running the engine until the issue can be properly diagnosed.Conclusion: Chevy Trax Stalling Diagnosis. As you can see above, there are many different reasons that your Trax could be stalling. Please, please have your trouble codes read if there is a check engine light on at all. It can really help narrow down what you need to do. If there is anything that you would like to add, please drop a comment ... 13,000 miles. The contact owns a 2015 Chevrolet Trax. While driving various speeds, the check engine indicator illuminated. The vehicle was taken to the dealer (billion auto Chevrolet located at 4200 w 12th St, sioux falls, sd 57107; (605) 988-8538) where it was diagnosed that the turbo needed to be replaced. ….

5. Bad spark plug wires. mediagram/123rf. A bad spark plug wire can and will make your check engine light turn on. As its name implies, a spark plug wire transfers electricity from the coil to the ...2019 Trax Problem - Won't Accelerate after Stop Sign, then Stalls. I have a 2019 Chevy Trax that I bought (used) just this past August from a local dealer. Yesterday on my way home from work, I was stopped at a stop sign. When it was clear, I tried accelerating to turn left and despite pushing on the gas pedal, the car just wouldn't go.The check engine light on your 2015 Chevrolet Trax 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 instantly turn itself off. Also, if your catalytic converter is working accurately, and ...3 posts · Joined 2020. #1 · Dec 23, 2020. Our 2015 Chevy Trax AWD LTZ (50K miles) had both engine light and overheat light flashing and buzzer going off. Mechanic replaced coolant tank and cap and added coolant (code said vacuum issue)...still overheating...then replaced thermostat. The car still reaches overheat after running a while. If your check engine light is flashing in your 2016 Chevrolet Trax, we highly propose not to drive the vehicle and schedule Chevrolet service today. Below is a list of the most common reasons your check engine light can come on: Your mass airflow sensor (known as MAF) needs to be replaced. The mass airflow sensor in your Chevrolet Trax is what ... Below we have highlighted the most common causes of a check engine light. Loose Gas Cap: Your gas cap is loose, broken, or simply missing. Gas cap issues can reduce fuel pressure and allow fuel vapors to escape, reducing fuel economy and increasing harmful emissions. Failing Catalytic Converter: Your catalytic converter can eventually clog with ... Trax won't start remotely with a check engine light. Tell your boyfriend to clear the code. And you're right a leaky flex pipe will cause the P0420, my daughter just had hers changed on her Encore.The check engine warning light, or engine malfunction symbol is part of the Chevy Trax emission control on-board. diagnostic system. If this warning light is on while the engine is running, a malfunction has been detected. Engine malfunctions are often indicated by this system by means of a warning light before any problem is noticeable.Chevy Mechanic: Daniel Chaidez. Understood. If there was sludge in the engine then there is a good chance that the turbo was damaged unfortunately. See the turbo is fed high pressure oil to keep it cooled and lubricated and if the oil was broken down or sludged this damaged the turbo.When your 2020 Chevy Trax'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 nothing ... Chevy trax engine light, Today we are working on a 2020 Chevy Trax, with a bad Purge valve, This procedure works on all cars and I have shown it on other videos .. hope this helps! M..., If your check engine light is flashing in your 2021 Chevy Trax, we tremendously 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 2021 Chevy Trax has a vacuum leak. Each Chevy Trax has a vacuum system that performs a wide variety of functions., The check engine light on your 2015 Chevrolet Trax 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 instantly turn itself off. Also, if your catalytic converter is working accurately, and ..., Icon in dashboard. Reduced engine power. I had that engine looking icon come up on my dash board . The engine power seemed alittle off when I did a trip to Long Island NY . Didn’t think too much of it but that was in September last year. Mechanic told me that there is not enough air circulating . Told me it was a valve that had to be replaced ., This can exactly be the cause. A damaged, old or dirty spark plug can cause the engine to misfire. If your check engine light is always flashing, please contact our team of …, 21 Sept 2022 ... Schedule an Inspection at McCarthy Chevrolet of Overland Park ... Of course, your check engine light could mean something else is wrong, like ..., 3 posts · Joined 2021. #17 · Jun 4, 2021. Hello, I’m having issues with my P0299 code on my 2015 Buick Encore (I know it’s not Chevy Trax but the people posting seem to have knowledge on what’s going on). I first got …, The Chevy 6.0 liter small block engine is an eight-cylinder engine aligned in the V formation and is called the Vortec L96. As of 2015, it is used primarily in Chevy’s heavy-duty t..., 3 posts · Joined 2021. #17 · Jun 4, 2021. Hello, I’m having issues with my P0299 code on my 2015 Buick Encore (I know it’s not Chevy Trax but the people posting seem to have knowledge on what’s going on). I first got the code and pulled the turbo and there was a crack on the inside of the turbo, obviously bad., #1 · Sep 29, 2017. I have 50K miles of no problems on my 2015 Trax and suddenly, after being parked for 4 days, it’s coming up with the traction control light and check engine light that periodically flashes. OnStar shows codes C0561 and P0300. It’s running very rough and has barely any acceleration at low RPMs., The ECM (Engine Control Module) of the vehicle has detected that there is a fault in the circuit which controls the vent that releases the fuel vapor from the system. This will be followed by the service engine soon light. Chevy Trax …, 5 posts · Joined 2021. #6 · Feb 2, 2022. I just received a letter from the dealership where I bought my 2018 Trax and it appears there is a problem with the evaporative emissions purge valve not fully closing. The symptoms include check engine light illuminating, rough running engine, hesitate or stall at idle., The best way to clear the check engine light is to pull the trouble code, identify and fix the issue and then drive your Trax around until the module that threw the code recognizes that the problem is fixed. Sometimes it can take a few drive cycles for your vehicle’s check engine light to shut down., 2849 posts · Joined 2017. #5 · Jan 20, 2019. Yes, when misfire is severe enough the check engine light will come "ON" and ECM will put engine either in limp mode or power reduced, in turn this triggers the stabilitrac to turn "OFF" therefore the light comes "ON". Never drive faster than your guardian angel can fly!!!, P0420 Engine Controls and Fuel Catalyst low efficiency. If it was one of the HO² sensors it would have set a specific code for that particular sensor. P0420 is very hard to diagnose. It could be as simple as a dirty air filter to a bad CAT. Never drive faster than your guardian angel can fly!!!, Your Trax’s engine needs air, fuel, and spark to achieve optimum ignition . When one or more of these variables is off, it can lead to a rough idling condition. Fuel – The ideal air-to-fuel ratio is 14.7 parts air to one part fuel. Air – The air entering your vehicle’s engine must be metered by the MAF or MAP sensor., Trax. 300 miles. The contact owns a 2019 Chevrolet Trax. The contact received a recall notice for NHTSA campaign number: 19V312000 (suspension). Ganley Chevrolet (13865 brook park rd, brook park ... , 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 Trax due to a loose or bad gas cap., 2016 (and newer) Trax oil filter warning! Please be advised that there are two possible oil filter applications for 2016 Trax models. All the application guides say use pf2257g. However when I did my first oil change on my 2016 Trax Midnight Edition LTZ I observed the oil filter from the factory had a "spring type" device connected to it. I ..., For most people, the first sign that anything is wrong is the check engine light. Mileage- may or may not suffer depending on how much the air-fuel mixture has changed. Misfire …, If you’ve ever had the experience of seeing the engine light turn on in your car, you know how concerning it can be. The engine light, also known as the check engine light, is a wa..., Jun 28, 2015 · Here is the extract from the invoice: Customer states check engine light is on and will not go over 15mph. VERIFIED CONCERN. CHECKED FOR DTC'S. FOUND: P0236 00 TURBO BOOST SENSOR PERF. P0237 O0 TURBO BOOST SENSOR CKT LON VOLTAGE‘. P0340 00 INTAKE CAM POS. SENSOR CKT. P0365 00 EXHAUST CAM POSITION SENSOR CKT. , Reduced Engine Power Causes: Chevy Trax. If you have the reduced engine power light, then there are going to be some diagnostic trouble codes stored in your OBD II system. This is great news, since it helps narrow down where the ECU thinks that the problem is. A good code scanner is really cheap and can make the process a whole lot smoother., Dec 29, 2018 · It is also one of the most common codes. The most common causes of P0171 are a bad Oxygen sensor, a vacuum leak, or a dirty MAF sensor. P0171: Fuel Trim System Lean (Bank 1). Check engine light, decreased fuel economy, misfire, hard to find idle. Dirty MAF sensor, vacuum leak, O2 sensor. , Dec 23, 2020 · 3 posts · Joined 2020. #1 · Dec 23, 2020. Our 2015 Chevy Trax AWD LTZ (50K miles) had both engine light and overheat light flashing and buzzer going off. Mechanic replaced coolant tank and cap and added coolant (code said vacuum issue)...still overheating...then replaced thermostat. The car still reaches overheat after running a while. , When your 2013 Chevrolet Trax'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 ordinarily labeled “check engine” or “service engine soon”, or the light may be ..., The 2015 Chevy Trax' check engine light may illuminate due to a loose gas cap. When tightened, the light will go off. Drive the car for at least 15-20 minutes above 25 mph. If You've been starting and stopping excessively, the catalytic converter may be stressed and driving at highway speeds should clear the CEL. An O2 sensor often needs to be replaced if You suddenly notice a drop in fuel ..., Engine light on. Yesterday I had a major problem with my Trax. I drove it to work left my wife in the car while I ran in for about 15 mins she used the spare key and put in the ignition to wind down the windows, she turned the ignition off but left the key in. When I got about 20 mins later, I took the spare key out and put mine in and started ..., 17 May 2023 ... Who has time to read the Owner's Manual??? Chevy TRAX. The Ultimate Infotainment Screen User Guide: Everything You Need to Know Is there too ..., Hold it to the side for a minute or more. Reconnect the negative cable, being careful as you go. Tighten the top with your wrench, and make sure the cap is back where it should be. All that’s left is to go on a drive near Cherry Hill! If you don’t see the check engine light as soon as you turn the key, the process was successful., The check engine light on your 2021 Chevrolet Trax 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 expeditiously turn itself off. Still, if your catalytic converter is working correctly, and ..., If your check engine light is flashing in your 2021 Chevy Trax, we tremendously 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 2021 Chevy Trax has a vacuum leak. Each Chevy Trax has a vacuum system that performs a wide variety of functions., 2018 Trax check engine light flashing. Just bought a 2018 Trax LS with about 97,000 miles on it. First couple times we drove it on the interstate it started to shake really bad around 65-70 mph. The last time we did it, the check engine light flashed and then turned off. Pulled the codes and got p0303. We checked out the cylinders and the spark ...