Car shakes noticeably when idled and when driven. the mechanic stated it read as a bank one miss fire. Im thinking motor mounts but can anyone else give me some ideas of what to look for?. Coming to a stop, I noticed the car shaking pretty hard. When this Check Engine or Service Engine Soon light flashes you should pull over safely and shut the vehicle off. However, a blinking check engine light usually means that there is a serious engine misfire. If it is flashing, this is an immediate concern, which means that you should immediately pull over and deal with the problem. I started my Camaro this morning, it immediately started to shake as if I was in an earthquake and also had the flashing check engine light. While driving, about 15 miles into my drive the check engine light starts blinking with acceleration (i counted as many as 18 blinks in one time). You should plan on taking your car to a mechanic or the dealer to have it looked at—sooner rather than later—since many of the issues reported by the check engine light can be seriously damaging to your engine. If your Acura check engine light is. it was weird because it wasnt doing it just a few minutes before when it was running. To complete this task you will need a simple OBD II scanner. 8 turbo 2002 and today it started shaking very badly and the check engine light started blinking? the car has 78k miles and on thursday the time belt was changed and the water pump too. A misfire is when one or more of your engine's cylinders are not providing power to the vehicle, with raw fuel. For example, if there is a solid illumination, the check engine light is probably warning you of an engine emissions problem. Usually you will be able to feel a noticeable difference in the way your vehicle is running. This means that the engine is misfiring bad enough that unburned fuel is making its way into the exhaust, and can burn up and ruin the Catalytic converter. 2004 Chevy Impala. It was doing to before and when i changed the valve cover gaskets she was running good for 1500 miles before she acted with at shake at 41mph. 3 mins later the Engine Management Light started flashing. It went away quickly. What does it mean? Check Engine Light, Check Engine Soon Light, Service Engine Soon Light, Engine Light, Engine Management Light, "whatever" you want to call it, simply means that your vehicle's computer system has detected a problem. My car is drivable and I don't feel any problem with speeding. Bring it to a shop to be checked. Technology is on its way to helping us figure out what’s gone wrong when the check engine light comes on. 4 triton v8 engine. should i take it in? still got 8. In some cases you need to pull over immediately to prevent damage while in others you merely need to tighten you gas cap next time you stop in order to reset the service engine soon light. So I start to get on the interstate, and I hit around 50-55mph and my engine downshifts to give me some extra power to get up to 70mph, and I notice that my car suddenly looses some power and my check engine light starts flashing. Check engine light flashing car shaking is a clear sign of trouble. Also at red light or stop sign, the car is shaking. Check Engine Light: Continuous Flashing If your check engine light begins flashing and does not stop, this is an indication that there is a severe problem that could cause serious damage to the vehicle. soon as I stopped at a red light the whole car started to violently shake but stops when I hit the accelerator. I have a 2005 Lincoln Navigator and took it to a ford dealer. It acts like it wants to start but will not stay started. 8 and all of a sudden it started shaking and the service engine light started blinking i parked the car and the shaking continued. While driving, about 15 miles into my drive the check engine light starts blinking with acceleration (i counted as many as 18 blinks in one time). When the check engine light is flashing the car is usually shaking severely. Answer: Hi Connie, thanks for contacting us. Meaning of Check Engine Light Flashing. The 2014 Chevrolet Spark has 2 problems reported for check engine light flashing / traction control light on. Check engine light, engine shaking - Bimmerfest - BMW Forums. Cooling system failure is a leading cause of vehicle breakdowns. With a flashing CEL you have a serious misfire and are potentially putting raw fuel into. The engine light had been on for about a year with not really any signs of any trouble, other than slight jerking when accelerating out of a turn or a stop. So I start to get on the interstate, and I hit around 50-55mph and my engine downshifts to give me some extra power to get up to 70mph, and I notice that my car suddenly looses some power and my check engine light starts flashing. Flashing check engine light. Instructions on how to troubleshoot Check Engine Light / Check Engine light. What does it mean that cylinders are misfiring? And what is bank 1? But if the "Check Engine" light is flashing, you need to. I have a 2010 Jeep Liberty, what could be causing. This process is generally referred to as computer diagnostics. Cause: Engine missfire. Re: Check engine light flashing, car shakinghelp! The best advise I can give you is to buy a OBDII code reader and figure out which cylinders are misfiring. A "flashing" check engine light tells you that the fault. I pulled over, checked my oil (it was just changed Oct. If your Acura check engine light is. It could also be a warning of a serious problem that could damage your engine components. You shouldn't drive the vehicle. I noticed this started last winter. A flashing CE light indicates an engine misfire, as opposed to a steady light, which could be a whole host of other issues, most not as severe. VAG-COM Discussion - Suddenly car is shaking and blinking check engine light - 1998 Audi A4 Quattro V6 30V (AHA engine) I am told after shutting off the engine, smoke was seen coming out from under the hood, but I wasn't there and my wife of course refused to open the hood so I could get a clue as to where it was. I have a 1994 Dodge ram 1500 318 automatic with 160,000. Check engine light flashing usually indicates a misfire that would damage the catalytic converter, p1088 is for a tumble generator valve, which to my knowledge, will not cause a check engine light to flash. COM — The check engine light on the dashboard is a warning that many vehicle owners dread. Any clues would be helpful. 6L Check Engine Light On/hesitation & shaking while Check Engine Light On/hesitation & shaking while accelerating and idling. If the check engine light turns on and you start noticing problems with your vehicle's performance, take it to an auto service shop right away. Gm issues a service bullentin (11340) and later extended it to include the 2009 Cts ( 11340c) for premature timing chain wear. I have a 97 Camry 4 cylinder. A few miles or days later it check engine light turn on again. Either one of the downstream O2 sensors is faulty, the connection or wiring is faulty, or the catalytic converter is faulty. on my way home tonight i fired up the wagon and there was something wrong. Cause: Engine missfire. I started to go and I could feel some trembling in the car and then the 'Check Engine' light began flashing. I changed oil (which was about due) and the oil level looked really low before I changed it. My Ford Freestar has started shaking while idling and now even when driving. My check engine light came on and was steady (not flashing) for about a week without any apparent engine issues. A steady light usually indicates minor problems, while the check engine light flashes only when there is a serious problem with your car. When the Check Engine or Service Engine Soon light starts flashing this means that a catalytic converter damaging condition is occurring. I gave it some gas and the shaking stopped when the engine revved. The check engine light is an irritation for many drivers, but it gives you essential information about your car and shouldn't be ignored. Went back in and after a days fiddling about with the car it was ok for 3 weeks. It could also be a warning of a serious problem that could damage your engine components. What could be wrong if my audi starts trembling and shaking and the check engine light is blinking? my car is an audi a4 1. The primary culprit that makes your check engine light blinking and car shaking is a malfunctioning cylinder. If your car is shaking and the check engine light is flashing, it means that one or more cylinders are not working. When I went to take off from the red light the car started to jerk violently, so I pulled over and popped the hood. You can get that for free at most auto-parts stores. So little though it was almost unnoticeable. The key trick is not giving me any codes. Went about 2 weeks with no shaking or light coming on, and then the shaking happened again at the same 55-60 mph expect this time the Check Engine light was flashing, but as soon as the shaking stops the light turns off. The check. A shaking vehicle AND flashing MIL ("check engine light") sound like the vehicle is misfiring on at least one cylinder. The other common Check Engine Light (CEL) aka ( (MIL-Malfunction Indicator Lamp) culprit is the mass air flow (MAF) sensor (G70) which works in conjunction with the Oxygen (O2) sensor to provide the correct volume of air for stoichiometric calculations. Reasons Why Mazda Check Engine Light Is On. A driver with a blinking light should head directly to the repair shop. Friday-02/18/05- my "Check Engine Light"came on I had been experiencing the reported "vibrations" that many of us have had. Then just recently my Check Engine Light has started blinking. Oh, and just before the initial shaking, I went through a bunch of snow from a driveway, just a bit lower than the bumper. Top 10 check-engine-light car repairs. Honda Odyssey Check Engine Light Car Shaking masuzi October 27, 2018 Uncategorized No Comments Honda odyssey vsa and check engine light vibrations this small yellow light labeled maintenance indicator is not the check. Decided to gas up a few hours after getting home, but after filling up the tank and cranking the car, I immediately noticed the car was shaking. Mine isn't blinking. I drove it the next morning and the shaking wasn't as bad and the check engine light didn't flash when accelerating. Usually, a blinking Check Engine Light is indicative of an engine misfire. The car shakes because something is wrong. Sputtering at idle. I was gassing it pretty hard in 4th gear trying to pass someone and I noticed the engine pinging a little bit and the X was shaking some like it was misfiring. He sounds like he just wants money. A shaking vehicle AND flashing MIL ("check engine light") sound like the vehicle is misfiring on at least one cylinder. a flashing check engine light means you are in danger of damaging your catylitic converter and you should scan the car. I don't know what to do. A check engine light can indicate a broad spectrum of problems with your 2010 Kia Sedona. The car was driving rough and when I stop on red light the car makes even a rougher sound. Oh, and just before the initial shaking, I went through a bunch of snow from a driveway, just a bit lower than the bumper. My car has 80000 miles. Malfunctioning Emission Control System Along with the catalytic converter problem, the blinking of the check engine light could also point towards a problem in the emission control system of the engine. It could also be a warning of a serious problem that could damage your engine components. As TSM said, the possibilities are quite numerous. It could be a misfiring engine, a broken oxygen sensor or simply a loose gas cap. Reduce speed and load. The “check engine” dashboard warning light is dreaded by drivers of all sorts of vehicle makes and models. I have a 1999 Honda Civic CNG with 140,000 highway miles. Basically, engine mounts are rubber mounted props that grip the engine into position to the chassis of the vehicle. I let off the gas and it stopped shuddering but check engine light started flashing about 1/4 mile later. Then just recently my Check Engine Light has started blinking. Check Engine Light Flashing Car Shaking Check Engine Light Flashing Car Shaking. Also at red light or stop sign, the car is shaking. I have replaced the Coils. Today I started up my Rodeo (had already been driven 2X today prior to this) and I got a rough idle with a little shakiness. The engine seemed to be shaking a more than it should have been and the car continued to jerk even in park and neutral, so I don't think it could be the CVT. The idle is rough and when i'm on the road the check engine light starts to blink. Cause: Engine missfire. While driving, about 15 miles into my drive the check engine light starts blinking with acceleration (i counted as many as 18 blinks in one time). one week ago i was driving my car and it started shaking and wouldnt accelerate to much. Engine Light Blinking Downloads Full Medium Check Engine Light Keeps. When getting back in my car and starting it, the check engine light came on, flashing on/off. It is on all the time, but this is the first time it blinked. In short - right now traction control light is on, "stabilizer" light is on, engine light is on or blinking when pressed on gas, car is shaking and losing power. The traction control light also came on a few times. It went away quickly. I would have to stop and turn the car off for a minute and then resume driving. My car started to ride "clunky" for lack of a better description and it startled me. You will want to start by have the engine codes pulled with a scan tool. On top of that the check engine light flashes on and off frequently. Flashing check engine light. That flashing light is warning you that the catalytic converter is being damaged. Hey guys, need your help: I have a 2010 Toyo Sequoia platinum flex fuel with over 100000 miles. Not violently, just a more than the norm. The check-engine light may be a graphic of an engine or similar icon, or it may contain the words "check engine" or "service engine. The tools are inexpensive as well, starting at around $60, and going up to several hundred dollars. What your mechanic probably won’t tell you is that you really didn’t need to shell out $100 just for them to hook up an OBD-II scanner to check on the service engine light. 2 V6 was towed in for a flashing check engine light. P0420 means catalytic efficiency below threshold. sensors, but I also get the flashing engine light and bad idle vibes occasionally. The car was almost shaking a little and not seeming to accelerate like normalthen it seemed to run normal after a minuite and the light stopped blinking but stayed on. " In some vehicles, a red check-engine light means the car needs absolute immediate attention while a yellow check-engine light means you need to make an appointment soon. I changed out my piece of shit msd ignition coil and threw on my stock coil, didn't fix it. there was lack of power, and then to top it off the check engine light. The car is shaking, and the "Check Engine" light is blinking. I put the car in park at stop lights in fear that the shaking will lead to a stall out. The car is shaking, and the Check Engine light is blinking. when i start my card the check engine comes on flashing and the card shakes a little for moment but then when. Shaking went away after about another quarter mile. In this car, you would be wise to stop driving and arrange a tow to the mechanic. At German Car Depot, we hook up our computers to the Mini Cooper, and can then pinpoint the exact cause of the problem. sensors, but I also get the flashing engine light and bad idle vibes occasionally. It could also be fuel-related. Car is stalling and then shuts off, seems likes its gasping for gas check engine light just turned on it aslos says stabili track ans traction control, thehen i took the gas cap off shows signs of water what is the problem. You will want to start by have the engine codes pulled with a scan tool. Engine Light Blinking Downloads Full Medium Check Engine Light Keeps. Every mechanic will recommend getting a diagnosis for your check engine light. The codes stated "misfire". Regardless of what happened with the oil, a flashing check engine light (CEL) almost always means there is a problem with a cylinder firing (spark is not igniting the fuel). A driver with a blinking light should head directly to the repair shop. Below you will find the most complete list of Kia trouble codes available. In this car, you would be wise to stop driving and arrange a tow to the mechanic. The most common cause of a continuously flashing light is engine misfire. Over the last week, it has begun shaking when I stop the car. If it is flashing, however, the light may indicate a much more severe problem. Thats right guys, what possibly can be wrong with my LS, when I accelerate hard the check engine light starts blinking and the car starts shaking alot. one morning my ford started running rough. I put the car in park at stop lights in fear that the shaking will lead to a stall out. Coming to a stop, I noticed the car shaking pretty hard. I'm new here but I have a 2011 Honda Odyssey EX-L with 92k miles on it. Upon scanning it, we pulled multiple faults- P0171 P0174 air-fuel mixture Lean Bank 1 and Bank 2, P0300 random misfire and P0305 cylinder 5 misfires. It stops blinking and remains on upon accleration from a complete stop. hasn't done anything else in the past 24 hrs. 8 and all of a sudden it started shaking and the service engine light started blinking i parked the car and the shaking continued. As for what the problem could be i dont know. Welcome to the Kia Check Engine Light codes page. When the check engine light is flashing the car is usually shaking severely. That's a whole other thread in itself. Hey I ran into a problem this morning and while I was drinking all of a sudden my car lost power. It was doing to before and when i changed the valve cover gaskets she was running good for 1500 miles before she acted with at shake at 41mph. Re: Check engine light flashing, car shakinghelp! The best advise I can give you is to buy a OBDII code reader and figure out which cylinders are misfiring. Check engine light flashing please help me Engine, Exhaust, Drivetrain, ECU - Vauxhall Corsa E Forums and the car shakes when it does this, and sometimes the car. The other common Check Engine Light (CEL) aka ( (MIL-Malfunction Indicator Lamp) culprit is the mass air flow (MAF) sensor (G70) which works in conjunction with the Oxygen (O2) sensor to provide the correct volume of air for stoichiometric calculations. Now, I change the coil 7 again with new one and I inspect and clean all injector's also I change all the 8 spark plug with new one, still the engine light flashing when I am in stop position (idle) and while the light is flashing and engine start shaking for about 3-5 min, then its become stable and engine light remain on the board but not shaking. it drives but the light is flashing and car shakes uncontrollably anyone heard of similar problems??. they toldme to buy a new coil. When I was up to about 40mph on the road my check engine light flashed a few times and the darn buzzer went off a few times as well. At the light, the car feels like it might stall out, and the car seems to shudder, and I notice that the shudder is connected to the RPM of the motor. Check engine light Over the weekend after a light rain and it was cool out (mid 40's) when I started my car it started but was running very ruff and the Check Engine Light was flashing on for some reason the stability light was also on. Within seconds you will be able to find out why the check engine light is on. Just wanted to add to the list, have similar problems with car jerking when it gets to about 40-50 mph. now when i turn on the car and put it into drive, the car starts to shake, until i start moving. Anytime the check engine light flashes the engine should be turned off and repaired before permanent damage is done. Hi, after each service my car has more lights turning on. Then, when I started going, the Check Engine light started flashing. It's flashing for a reason - don't drive the car anymore. He said it will be $90 an hour just to find out what's making them misfire. Flashing check engine light. 4 triton v8 engine. My car has less then 96k miles and the check engine light came on and it showed codes p0017 & p0008. When the Check Engine or Service Engine Soon light starts blinking (as opposed to staying steadily illuminated), this means that a catalytic converter-damaging condition is occurring. Sputtering at idle. Hey Tyler, thanks for the A2A :) A flashing Check Engine Light (CEL) is not good. I have a 2010 Jeep Liberty, what could be causing. Then just buy a few new ignition coils and replace the ones that are shot, and keep 2 in your trunk. this car is surpose to have a new engine with 59,000 miles on it. A flashing check engine light means stop driving the car, a check engine. I replace the idle air control valve about 3 months ago when is was acting up up before the the engine light was never on then. Usually you will be able to feel a noticeable difference in the way your vehicle is running. I was close to an advanced auto parts, so I went there hoping they could help. This means that the engine is misfiring bad enough that unburned fuel is making its way into the exhaust, and can burn up and ruin the Catalytic converter. But for now, whenever that pesky light comes on, your best bet is to take your car to a certified mechanic and let them diagnose the problem. Check Engine Light: Continuous Flashing If your check engine light begins flashing and does not stop, this is an indication that there is a severe problem that could cause serious damage to the vehicle. In some cases, a yellow check engine light may indicate that a problem exists, but it's not very urgent. Oh, and just before the initial shaking, I went through a bunch of snow from a driveway, just a bit lower than the bumper. I have a 2004 Honda Accord. Another option is to ask your friends and relatives. one week ago i was driving my car and it started shaking and wouldnt accelerate to much. most causes of missfires are plug wires and or coil pack. Thats right guys, what possibly can be wrong with my LS, when I accelerate hard the check engine light starts blinking and the car starts shaking alot. Check engine light Over the weekend after a light rain and it was cool out (mid 40's) when I started my car it started but was running very ruff and the Check Engine Light was flashing on for some reason the stability light was also on. If it is an emergency, the light will begin to blink. Also the check engine light flickers. Or if you have on star press button ask for remote diagnostics. Mine isn't blinking. Flashing Check Engine LIght; Shaking Car When the Check Engine Light (CEL) is steadily illuminated, it is an indication that you should get the car to a mechanic as soon as it is convenient for you to do so. It was doing to before and when i changed the valve cover gaskets she was running good for 1500 miles before she acted with at shake at 41mph. I still get the intermittent clicking. Check Engine Light Flashing. With acceleration, the car shook. I have a 2005 Lincoln Navigator and took it to a ford dealer. You can get that for free at most auto-parts stores. Common Causes of an Engine Misfire. Since the early '80s, the "check engine" light has been a fixture on the dashboards of passenger cars and light trucks. In most modern cars, the check engine light can be caused by not having the gas cap screwed on tight enough or having a worn out gas cap. Pease help : (Does anybody know what it means when the car is shaking in idle and the check engine light is flashing?? It's also very shaky when I take off this just started happening. If it's shaking, it's likely that the sparks are not happening or happening at the wrong time or intermittently. I drove to closest mechanic for diagnostic. usually when your check engine light is flashing and your car shakes at the same time your spark plugs or ignition coils are faulty and misfiring causing the scary shakes, go to autozone they will hook your car up to a scanner for free scan the check engine light and tell your exactly whats wrong but most likely a spark plug/s or igntion coil/s problems. it would be fine as long as i didnt accelerate to much or to. 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. 5 years and 95k miles of warranty, its just a PITA to drive to the Hyundai dealer. Every cylinder in your engine is supposed to play its part or fire to pass the mixture of fuel and air in the system. If your car is smoking or making a unusual noise and the check engine light is on, it may indicate engine trouble. on 2000 Car runs. The check-engine light may be a graphic of an engine or similar icon, or it may contain the words "check engine" or "service engine. There's also sort of a burning smell, sometimes, but it doesn't seem to be coming from the engine. the check engine light was blinking. 98 Navigator Check Engine light flashing, car shakes, OD light not flashing. I look down at the dash and the check engine light is blinking. It's flashing for a reason - don't drive the car anymore. Then as soon as I would level off the engine would regain normal power & the flashing light would extinguish? A little history on the vehicle: It's a 2000 Sable with the Volcan Eng. The normal steady CEL is simply monitoring emissions systems in the vehicle. All power to the accelerator ceased. I can still hear the exhaust popping and the engine shaking a little bit. Why is my check engine light blinking The engine’s computer will pick up on this over time, which is what turns the light on. When the check engine light is flashing the car is usually shaking severely. Hey, dude, it’s me — your car. Hello, I own a 2010 Toyota Corolla S the 1. Feels like the engine is breaking down while pressing gas. Yesterday, my check engine light started blinking. It was fine for a long drive but tonight when I turned it on, it started shaking and the check engine light started blinking. So I went onto the highway, and it started to do it again. Either one of the downstream O2 sensors is faulty, the connection or wiring is faulty, or the catalytic converter is faulty. Gm issues a service bullentin (11340) and later extended it to include the 2009 Cts ( 11340c) for premature timing chain wear. If the Mini engine light is flashing yellow or red, it is in your best interest to take it to an Independent Service Center for diagnosis right away. As TSM said, the possibilities are quite numerous. Then about 10 miles from the dealership I hear something blow. Not only is it a sign that something might be wrong with your vehicle, but the vague warning is also something that can be frustrating for you to diagnose yourself. Since cars are complicated machines with over 2,000 parts needing to function in synchronicity, you should never continue to drive a vehicle with a flashing check engine light. I changed oil (which was about due) and the oil level looked really low before I changed it. 8 turbo 2002 and today it started shaking very badly and the check engine light started blinking? the car has 78k miles and on thursday the time belt was changed and the water pump too. Why is my check engine light blinking The engine's computer will pick up on this over time, which is what turns the light on. It goes on automatically whenever my on-board diagnostic (OBD) computer detects possible. Shaking and Check Engine Light Blinking 10 Answers. Top Five Reasons Your Check Engine Light May Be On Your Check Engine Light may be indicating a simple from being released into the atmosphere while you aren't driving your car. soon as I stopped at a red light the whole car started to violently shake but stops when I hit the accelerator. Okay, I was driving today, and at the light, the engine started shaking a bit more than usual. A flashing check engine light indicates a normal code like above, but the the vehicle is also misfiring severely enough to damage your vehicle's catalytic converter(s), oxygen sensor(s) and other exhaust related emissions components. It was doing to before and when i changed the valve cover gaskets she was running good for 1500 miles before she acted with at shake at 41mph. Other times, a red check engine light or a blinking check engine light may occur. The normal steady CEL is simply monitoring emissions systems in the vehicle. A blinking CEL indicates that your vehicle's engine is misfiring, which could severely damage your catalytic converters. Over the last week, it has begun shaking when I stop the car. 8L 2ZR-FE engine. Check Engine Light Flashing Car Shaking Honda Crv Shelly Lighting July 19, 2018 Honda check engine light what could be the problem check engine light flashing this small yellow light labeled maintenance indicator is not the check flashing check engine light car shaking accord blinking org. nothing happened. I put the car in park at stop lights in fear that the shaking will lead to a stall out. Today my integra '00 check engine light came on and started blinking while i was enterring the highway. Check Engine Light: The Mechanic’s Dirty Little Secret. I'm thinking possibly bad gas or maybe transmission. Visit the post for more. 98 Navigator Check Engine light flashing, car shakes, OD light not flashing. any comments? or experiences with this ?. A driver with a blinking light should head directly to the repair shop. Luckily the Subaru dealership is less from a mile from where i live so i headed there and dropped the car off and put the key. Engine Light Blinking Downloads Full Medium Check Engine Light Keeps. I pulled the car up and parked it, then went to work where I am right now writing this. I started to go and I could feel some trembling in the car and then the 'Check Engine' light began flashing. It's flashing for a reason - don't drive the car anymore. A flashing CEL (Check Engine Light) is something serious to be concerned about. I let off the gas and it stopped shuddering but check engine light started flashing about 1/4 mile later. You will want to start by have the engine codes pulled with a scan tool. so my check engine light came on flashing about a week ago then went away, but it started flashing again to day and went off for about 5min then came back flashing on and off then went off again and never came back on, have any idea what it is?. usually when your check engine light is flashing and your car shakes at the same time your spark plugs or ignition coils are faulty and misfiring causing the scary shakes, go to autozone they will hook your car up to a scanner for free scan the check engine light and tell your exactly whats wrong but most likely a spark plug/s or igntion coil/s problems. People rely on their vehicles so much in modern times that it can be a real inconvenience when car troubles pop up. my friend is stopping by tomorrow with the code reader to get the codes. You should plan on taking your car to a mechanic or the dealer to have it looked at—sooner rather than later—since many of the issues reported by the check engine light can be seriously damaging to your engine. nothing happened. You should also know that a defective idle air control valve might make the engine idle drop significantly. The check engine light has come on. In this video I will go over and what it means if you have a flashing check engine light. Initially, while driving the car at highway speed, the check engine light would flash and the car would lose power. Motorists who ignore the check engine light get less miles per gallon and could face costly repairs down the road. A car that shakes when braking is telling you something different than a car that shakes while driving on the freeway. Hey I ran into a problem this morning and while I was drinking all of a sudden my car lost power. As I was pulling out of the gas station, I noticed the check engine light flashing, so I quickly drove home (<1000 feet from the gas station) and shut the vehicle off. Check engine light was on, Cruise was flashing (because you can't use it), and the idle shook the whole car side to side (don't you love the flat four). I have a 2004 Honda Accord. If the check engine light is flashing, that means the engine has a catalyst damaging misfire. I changed out my piece of shit msd ignition coil and threw on my stock coil, didn't fix it. Re: Check engine light flashing, car shakinghelp! The best advise I can give you is to buy a OBDII code reader and figure out which cylinders are misfiring. Check engine light flashing on your car's dash is scary! Is my car going to break down? Why is my check engine light flashing? Is there an auto shop that can check this? These are good questions that we'll try to answer before you search for mechanic near me… First, let's discuss why a check engine light flashing could be a serious problem. It stops blinking after a moment then starts to blink again, intermittently. The normal steady CEL is simply monitoring emissions systems in the vehicle. If the mounts weaken or break, heavy vibration or shaking will be experienced. As for what the problem could be i dont know. I took it for a small drive and when I accelerated to get up to speed it seemed to lack power and the check engine light was flashing. If you still have your cats in then you should drive the car as little as possible. the check engine light started blinking. I'm thinking possibly bad gas or maybe transmission. The engine light had been on for about a year with not really any signs of any trouble, other than slight jerking when accelerating out of a turn or a stop.