Check Engine Light Flashing Car Shaking Smells Like Gas

Check Engine Light came on. - Hyundai 2001 Accent question. Check engine light comes on when gas cap is loose or completely missing, spark plugs or plug wires are damaged, vehicle has a bad catalytic converter, oxygen sensor needs to be replaced. The check engine light stays on. 8 turbo engine, more than likely a coil has failed. Nothing can kill the fun of driving a Mini faster than the check engine light, chances are no matter what kind of car you drive, you’ve encountered the check engine light but in a Mini, it seems less like a warning light and more like a time bomb counting down to impending vehicular catastrophe. When your car's "Check Engine" light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. A check engine light can indicate a broad spectrum of problems with your 2009 Mazda CX-9. The first thing you should do if the check engine light is flashing or is constant on your dashboard is to read the trouble code memory. The car ran fine one day and the next day it throws a check engine light and starts hesitating bad, followed by the CEL flashing. The fuel system in your car is a sealed system that traps harmful gas fumes. The check engine light started flashing and the engine continued to skip. When I started moving again, once it hit 15 miles an hour it would start flashing again. Nothing was wrong with my tires and it wasn't overheating or anything :-/ just had the oil changed about two weeks ago. A flashing check engine light means stop driving the car, a check engine light on steady, means proceed with caution. Today is not a good day. The check engine light starts. When your engine idles rough and the exhaust has the smell of raw, unburned gasoline, it is suffering from a rich condition or or incomplete combustion. Check Engine Light Flashing Rough Idle, gas smell and lack of power The check Engine Light is flashing and then goes solid. 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. It almost sounded like it was running on 7 cylinders. I pulled the codes again and I'm getting 45, 72, and 74. Some vehicles have a separate indicator that warns of a loose gas cap before the condition sets off the "check engine" light. When I turned the car off, it will not start. There is a TSB for this. My vehicle started sputtering and shaking on my way to work. I ease off the gas, and coax it to the next light. I have a 2010 Jeep Liberty, what could be causing. when this happens the check engine flashes and sometimes the car smells strongly of gas. Honda Accord: Why is There a Gas Smell Coming from My Car? A gas leak is a serious safety hazard. This is detected by the oxygen sensors. If you have ever been driving and your check engine light came on, you likely had an instant reaction of panic followed by the question, "Why is the check engine light on in my new Chevy?" There can be a lot of things that can cause your check engine light to come on, but there are a few that are more common than others. Feels like it's going to die. I noticed that as I sat there with the car in park, the RPM was jumping around without me touching the gas pedal. I pulled over and noticed a burning smell. A blinking check engine light is a sign of a serious problem. so if anyone has had a similar problem to mine i would appreciate your help. Sometimes this light my be accompanied with an ABS light, Traction Control Light or even a Check Engine Light. Learn the relationship between your gas cap and the check engine light to troubleshoot a check engine light in your car. A certain engine smell can be caused by a specific problem in your car. The TCS light comes on whenever there is engine trouble. This problem is usually very easy to fix. Blinking engine light Blazer Car Forums bad gas mileage & smell, no power up hills, surges and black soot looking stuff on the ground after we let it warm up. Exhaust smells of gas. The check engine light started flashing and the engine continued to skip. To put out the light: Insure the gas cap is tight (turn clockwise until it clicks). When it shakes the check engine light will flash rapidly then stop. 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. What you should do: If your car isn't feeling jerky or strange when the check engine light comes on the first you should check is the gas cap. Shakes, Rattles, Squeaks and Thunks(Smells and Noises) For the uninformed, identifying where that squeak or thunk is coming from on your car or truck, or determining where that pungent odour is coming from, can be quite disconcerting. I changed oil (which was about due) and the oil level looked really low before I changed it. if it's just. Has a smell that is coming out when on, and has a pull when sitting. A few minutes later, the light went off. Bingo! The check engine light went off! My car ran great for two weeks. If your system isn't leaking and you smell fuel really bad the issue is probably with those lines or your emissions system. Went to the petrol station and filled up and then mpg drops rapidly to 16 and shortly after engine light comes on. Cars starts to shake. 140000 miles. 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. Engine Misfire. 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. Engine shakes and causes my check light to start blinking? Its a ford f150 2005. I ease off the gas, and coax it to the next light. it pays for itself if you use it once every three years plus you have lock out. This morning I just had a check engine light come on. The check engine light and the airbag light are still on, but like I said, that problem has been there for a while. Typically a misfire will cause this. Recommended Required Maintenance. OK I think I may have fix my code 401 problem but now my engine light is flashing at me. I can speed up to 60 mile but not quickly accelerate like before. Check Engine Light On. to The Globe and Mail’s. , but all I'm saying,if you smell fuel, don't drive it. Which is a Secondary air system malfunction. 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 says you have very severe miss fire which can destroy catalytic converter. However, it might pertain to a bad signal from an oxygen sensor. Any electrical hiccup under the hood can cause one of your car's gazillion sensors to take a funny reading. To get your check engine light diagnosis or repair, contact the professional mechanics at Ace Auto. Recommended Required Maintenance. When it shakes the check engine light will flash rapidly then stop. Remove the gas cap and put it back on, turning it until it clicks three times, then wait 24 hours to see if the code resets; or, reset it using an OBD scanner or the DIC. I still get the intermittent clicking. I noticed the check engine light was on. It was OK when giving gas, although still not right, but the idle was horrible and the car stalled out a few times at a red light, also really bad start from a go. I concur with the diagnoses of this problem being ignition-related. I stopped the car 10-15 min. Odd sound possibly from resonator? As soon as I turned it on, it started shaking and almost like it was bouncing. It also seems as though the engine is pulling extra hard. Then 1/2 a km down the road a ticking noise is heard from my engine. Reduce speed and load. I immediately started going to the shoulder to pull off. If you smell fuel (like a flooded engine) DO NOT drive it! Flashing light usually signals an injector problem. If this light comes. Broken Motor Mounts Can Cause Severe Engine Shaking and Should Be Fixed. Blinking engine light Blazer Car Forums bad gas mileage & smell, no power up hills, surges and black soot looking stuff on the ground after we let it warm up. You failed to tell us what you are working on, but if it is a 1. While the light says “check engine” the reality is that it could be 100 different things that are triggering the fault causing the light to go on. This is the first time in the cars life that the check engine light has come on. Power is still losing (but not feel much shaking). If the check engine light was flashing, there should be at least 1 trouble code stored when you scan it. it was sitting for about one hour, then when i started it it had a rough idle, not undrivable but still noticable. Has a smell that is coming out when on, and has a pull when sitting. I figured that maybe i got a tank of bad gas. Service Engine Soon (SES) and Check Engine Soon Light (CEL) on a BMW will come on if the Digital Motor Electronics DME detects a problem with engine's operation or emission system. It is rare for us to see a flashing check engine light, so it is unlike ly that you will ever see one. Turns out plug wire #4 was bad & needed to be replaced. Go to a local Autozone if needed as they’ll scan it. 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. new spark plugs and wires and no difference. this has happened to me twice at high RPM my check engine light comes on and starts blinking then when im idling i get a burning smell. Gas cap issue can turn on check engine light. If this has never happened to you before, you may fear that you will not be able to make it home safely. The car shakes when i am at a red light on D, less on neutral but still shakes a lot. That's the way; you can make the vehicle durable and enhance your driving experience. A steady light for the check engine indicator means that the issue is likely not serious or an emergency. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. Clunks While Driving. Car ran perfect until last week. The "check engine" light has a code associated with it explaining why the light came on. This has happened three times. The fix would then be something severe and extremely costly like a catalytic converter(s) or engine replacement which cost on average $1,150 and upwards of $5,000 respectively to fix. The first two attempts of starting the car, I saw flashing engine check light. My vehicle started sputtering and shaking on my way to work. As ambiguous as a “check engine light” may be, your car’s onboard diagnostic system is essential to keeping the engine running efficiently. It could be a misfiring engine, a broken oxygen sensor or simply a loose gas cap. Which is a Secondary air system malfunction. If it's a solid check engine light it means the problem was detected but not still occuring. The check engine light came on and started flashing repeatedly which the Chevy site indicates that to mean there is a serious problem that needs immediate attention. If you smell fuel (like a flooded engine) DO NOT drive it! Flashing light usually signals an injector problem. Gasoline from the tank may evaporate out, lowering the mileage on the car. Blinking engine light Blazer Car Forums bad gas mileage & smell, no power up hills, surges and black soot looking stuff on the ground after we let it warm up. Went to the petrol station and filled up and then mpg drops rapidly to 16 and shortly after engine light comes on. Mine had the same problem. I'm afraid to drive to auto zone in. Car Shaking and Jerking w/ RPM going up and down Mini Spy The check engine light is not on. Went back in and after a days fiddling about with the car it was ok for 3 weeks. my friend is stopping by tomorrow with the code reader to get the codes. Like the others said, take it to the dealer. What is the most likely cause and what is the most likely outcome?. How to diagnose a check engine light that flashes. It seems like the most common light any driver ends up seeing, aside from the simple ones that let you know cruise control is activated or your lights are turned on, is the check engine light. Rotten Egg Exhaust Smell. any idea on what is causing this? Also I noticed when I turn my heat or AC on it sounds like im driving a diesel car and it runs a little rough when idylling it shakes a bit. Whenever I stopped, it stopped flashing. An engine needs three things to run: fuel, air, and spark. I’d recommend getting it scanned again in case the scanner itself was faulty. If you have a fuel smell, get it checked out quickly, it could be extremely dangerous. He said it will be $90 an hour just to find out what's making them misfire. When I turned the car off, it will not start. The owner's manual in the car has the directions how to check the engine oil. I recently experienced a rough idle after filling up with gas. Exhaust smells of gas. Dumb me tried to takeoff in 2nd and immediately the light started flashing. Check engine light on and car shaking? This morning I go out to my car and it chose to act out on me. It could be as stated by the other's a spark, coil, wire type of problem. But the check engine light can be any problem with the emissions system, from "tiny vapors are escaping through your gas cap". Just today, it began shaking harder while idling. Here's a look at what the flashing of the check engine light may mean. Check engine light turns on and off in your car. To complete this task you will need a simple OBD II scanner. Reduce your speed and, if possible, the weight you’re carrying. Engine Shaking and Check Engine Light Flashing I gave it gas it shook pretty bad and the check engine light would flash. Yet there are some causes of this car problem that are relatively minor to fix. Nothing was wrong with my tires and it wasn't overheating or anything :-/ just had the oil changed about two weeks ago. The first thing for you to do when a check engine light comes on while driving your Subaru is to check that pesky gas cap, and if that is not the culprit get the light checked. Exhaust smells of gas. I stopped put it in park, turned off the car, waited for a few minutes, then turned the car back on, the car was still shaking, then the check engine light came on. It also smelled like unburnt gas and sulfur. As ambiguous as a “check engine light” may be, your car’s onboard diagnostic system is essential to keeping the engine running efficiently. 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. The top 10 check engine light repairs from the annual CarMD ® Vehicle Health Index™ reinforces what the Car Care Council has been saying for years. More than once, I’ve caught the car hood as it fell due to weak hood shocks. 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. Once I got home I restarted the car & it went away. 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. So random misfire on two cylinders - not good. Vehicle runs great and the gas mileage hasn't changed. I had just changed the spark plugs and still the same story. The weird smell is the unburnt gas which is VERY bad for your catalytic converter. Shakes, Rattles, Squeaks and Thunks(Smells and Noises) For the uninformed, identifying where that squeak or thunk is coming from on your car or truck, or determining where that pungent odour is coming from, can be quite disconcerting. When I drive the shaking issue seems to go away but the check engine light starts flashing when I ac. Once engine is turned off and turned back on traction control rests and display messages disappear but check engine light remains on. In most cases, a misfire can cause the light to flash continuously. Posted May 20th, 2015 by Central Avenue Automotive & filed under Diagnostics, Engine. 4 V6 with approx 140000. Why is check engine light on and it smells like gas when car is on? The check engine light is the light shaped like an engine, or the light that states Check Engine (Soon). So what's happening? The whole purpose of the check engine light is to illuminate whenever there is a problem. Your Check Engine Light Comes On and Stays On. and i took it to a car place to get it diagnosed and they said there could be a vacuum leak but they never found out where and it is causing me to have very bad gas mileage. I'm not losing gas at an abnormal rate. What is the most likely cause and what is the most likely outcome?. Reving up some Reving up some rmps past 2000 is becoming diffilcult in neutral. It idles at aroung 600 rpm. when i have it in park the smoke out the tail pipe goes puff puff and you can visiual see it. Types of Engine Smells. If the smell comes from under the hood, check your fuel injection system or carburetor to make sure that it isn't leaking fuel. The check engine light is flashing while driving and the car smells like sulfur. 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. When the light engine check is on the car is running very poor, burning a lot of gas smell gas, will be stall at the stop sign and stop light. Whenever I stopped, it stopped flashing. If your Fiat check engine light is flashing, it means that the onboard diagnostic system (OBD) has detected engine misfire. Go to a local Autozone if needed as they’ll scan it. It's not always easy to recognize when your vehicle is suffering from engine damage as symptoms can be overlooked and seen as "normal. hey guys, im new to these forums and i need a bit of help, earlier today i drove my car around the block to the store and after i got back in my car after shoping, i noticed my car had this strange shake which i believe to be coming from somewhere in the engine, a bunch of lights started flashing also like the check engine light, after i started driving my car i noticed that the shake settled. Check Engine Light Flashing. The check engine light comes on and engine speed is drastically reduced. It is rare for us to see a flashing check engine light, so it is unlike ly that you will ever see one. I put together a video discussing a problem my neighbor had with Nissan Maxima four door sedan after they filled the fuel tank. The TCS light comes on whenever there is engine trouble. Cars starts to shake. Reasons Why Mazda Check Engine Light Is On. If you smell fuel (like a flooded engine) DO NOT drive it! Flashing light usually signals an injector problem. The top 10 check engine light repairs from the annual CarMD ® Vehicle Health Index™ reinforces what the Car Care Council has been saying for years. Blinking check engine light is usually a sign of a dead misfire. Your Check Engine Light blinks or glows depending on what’s wrong with your vehicle. 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. (2000 Toyota Solara) The other day I was getting on the expressway and as I hit the gas to accelerate the engine hesitated and only accelerated at a very slow rateif I gave it too much gas it began to shake. A few minutes later, the light went off. It is not true that a solid check engine light is on normally due to just something emissions related. But instead of moving when you hit the gas pedal, your car hesitates. Therefore, if the driveshaft is even slightly bent or damaged (often due to an accident), it will cause the car to shake when accelerating at low speed and get worse as you go faster. Unusual Tire Wear Patterns. The check engine light came on and started flashing repeatedly which the Chevy site indicates that to mean there is a serious problem that needs immediate attention. The rest of the day it starts up fine. "SERVICE ENGINE SOON" light is blinking, Car having trouble accelerating, Car shaking at idle. Go to a local Autozone if needed as they'll scan it. It hesitates on take off and when stopped at a light I can feel a miss in the idle. I have a 2004 Honda Accord. just tow the car to the shop. check engine light flashing, car shaking and smells like gas my check engine light had been on for over a year. 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. check engine light is flashing and has rough idle 2 Answers check engine lite is on and sometimes is flashing. Engine Size: 3400 v6. Many Corvette owners have reported having their check engine light come on after they filled up with cheap gas or if the gas cap is too loose or tight. Engine shakes and causes my check light to start blinking? Its a ford f150 2005. "SERVICE ENGINE SOON" light is blinking, Car having trouble accelerating, Car shaking at idle. Blinking engine light Blazer Car Forums bad gas mileage & smell, no power up hills, surges and black soot looking stuff on the ground after we let it warm up. whenever the car doesnt run right and the check engine light is on , or if the check engine light blinks, dont drive the car, let the car run etc. After about 10 miles, I stopped at a store. Check Engine Light Flashing. It is usually a misfire, dumping unburned fuel in the exhaust, which will roach your catalytic converter. I noticed that as I sat there with the car in park, the RPM was jumping around without me touching the gas pedal. It could be a misfiring engine, a broken oxygen sensor or simply a loose gas cap. Go to a local Autozone if needed as they’ll scan it. The most common reason for a check engine light that comes on and then goes out is a loose gas cap that was reinstalled. But the check engine light can be any problem with the emissions system, from "tiny vapors are escaping through your gas cap". Smell of gas in cab, had to get children out of car, had to stand by busy highway in the dark for help. Go to a local Autozone if needed as they’ll scan it. After this the engine light has been on and 14 mpg. The car is a 99 CRV with 212k. Average repair cost is $800 at 100,450 miles. A few minutes later, the light went off. If your car has rear wheel drive (RWD), power from the engine to the rear axle and connected wheels is delivered through the driveshaft (or propeller shaft). When I accelerate, there was a weird clunky/grinding sound from the engine. How to Clean Your Car Interior Like a Pro Top 6 Reasons Your Check Engine Light is On ignored under the assumption that the light is merely related to the gas. Learn which problems can cause gasoline vapors to escape from your car's fuel tank and fuel system. I have a rotten egg smell coming from the exhaust of my truck it's a 08 5. Pulled over, turned the car off for a couple of minutes, started it back up and it ran smoothly the rest of the day with no odor. This is the first time in the cars life that the check engine light has come on. It stops blinking after a moment then starts to blink again, intermittently. Bald Tires. Rattle in the Front. They're sailing right on through. The top 10 check engine light repairs from the annual CarMD ® Vehicle Health Index™ reinforces what the Car Care Council has been saying for years. The only true way to diagnose is to have someone put a code. Went to Autozone to get the codes read but they told me they don't offer that service anymore. there was lack of power, and then to top it off the check engine light. It went away quickly. The ECU will eventually shut off the fuel injector to the individual cylinder that is misfiring, to reduce damage to the catalytic convertor. My 06 Freestar with 127,000 miles has been running like a champ. This problem is usually very easy to fix. Posted May 20th, 2015 by Central Avenue Automotive & filed under Diagnostics, Engine. my friend is stopping by tomorrow with the code reader to get the codes. My check engine light came on. When the light engine check is on the car is running very poor, burning a lot of gas smell gas, will be stall at the stop sign and stop light. But the check engine light can be any problem with the emissions system, from "tiny vapors are escaping through your gas cap". I have a 2004 Honda Accord. BY Nick Greene. after i replaced plugs and oil it ran good for 10 minutes @ idol then engine lite came back on and the same code showed up. One day I got in the car and before I put the key in the ignition there was a clicking noise inside the car and the check engine light went out. The additional aspect of the check engine and transmission temperature lights is the ability to flash which is basically an indication to stop driving the car. The car (Renault Megane 1998 1. shaking and if let gas off increase. Anyway after an afternoon outing with the family, on our way back home our car started shaking and it would shake more at a stop light, and a bad smell, like burnt rubber was coming from under the hood. com warns drivers to stop driving the vehicle and have a tow truck take it to a garage for repair. Recently, my 2006 Honda Odyssey engine check light came on. The engine shakes very harshly when it's idle. The engine sputter is worse when trying to go up hill. If you have a fuel smell, get it checked out quickly, it could be extremely dangerous. Usually, a blinking Check Engine Light is indicative of an engine misfire. A flashing check engine light - as opposed to a continuously illuminated check engine light - should never be ignored. Today on my way to work in Atlanta my truck just gave out on me power wise, no acceleration passed 40 mph. It also seems as though the engine is pulling extra hard. It could be a misfiring engine, a broken oxygen sensor or simply a loose gas cap. But instead of moving when you hit the gas pedal, your car hesitates. How to diagnose a check engine light that flashes. If you have ever been driving and your check engine light came on, you likely had an instant reaction of panic followed by the question, "Why is the check engine light on in my new Chevy?" There can be a lot of things that can cause your check engine light to come on, but there are a few that are more common than others. Service Engine Soon (SES) and Check Engine Soon Light (CEL) on a BMW will come on if the Digital Motor Electronics DME detects a problem with engine's operation or emission system. Despite that the car has been running fine and there hasn't been any decline in performance. If the "check engine" light is blinking or you notice any serious performance problems, such as a loss of power, reduce your speed and try to reduce the load on the engine. Check Engine Light Flashing. My car started running rough (sputtering), if feels as if it is running out of gas, and the exhaust smells funny (a bit like sulfer). Is there really any better way to tell that something is wrong with your engine than to have a giant orange light on the inside of your car pop on telling you to check your engine? The check engine light is a symbol that has different levels of importance to different people. Reving up some Reving up some rmps past 2000 is becoming diffilcult in neutral. When I got out, I noticed a really strong gas smell. As I was driving off and stopped at a stoplight I noticed it was. Just clean the cannister with pressurized air. In other words, one or more of the cylinders is not working properly. Vehicle runs great and the gas mileage hasn't changed. My car shakes when it's idling and the engine light is blinking on and offf 24 Answers. WHY IS IT BAD TO DRIVE MY CAR WHEN MY CHECK ENGINE LIGHT IS BLINKING? If you are like most drivers, you may have experienced the frightening moment when you're confronted with a blinking engine light. (code 455) I have a gas cap ordered to start trying to cure the issue. If you do not tighten your gas cap sufficiently, the Check Engine light may come on. 8L Turbo (APH)), the EPC light and the alternator light turn off. My car starts just fine, but when I go to hit the gas the check engine light blinks & I sometimes smell gas. 4 triton v8 engine. In this section, allow me to walk you through some of the problems. Check engine light flashing car shaking is a clear sign of trouble. It also idles roughly with a lot of shaking and the engine light alternates between blinking and just on. I am not sure what the problem is, I am thinking it might be cheap Gulf gas I filled up withdoes anyone have any ideas??? I already have 82K on it. 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. It’s just a light with no information telling you what the problem is. When it shakes the check engine light will flash rapidly then stop. I also noticed a bit of a stumble while the light was flashing. My 06 Freestar with 127,000 miles has been running like a champ. That's why the manual says that catalytic converter damage will occur due to the potential of raw fuel going into the converter. check engine light flashing, car shaking and smells like gas my check engine light had been on for over a year. Front End Shakes. I am at work, my car was running poorly (rough idle, louder engine, exhaust gas/smell), and the check engine light is on. When you see the check engine light it doesn't necessarily mean you need to pull the car over to the side of the road and call a tow truck. 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. Last week while driving to work the check engine light came on and the engine started vibrating, I could feel it in the steering wheel, after about 30 seconds it stopped. There was no noise, just shaking. I found out the codes that were shooting the check engine light on its P0301 and P0201, I went back in the garage and started it up and it idled a little rough and all i could smell was gasoline, as if it was spilled out on the floor, this is leading me to believe it is a bad injector, its also pouring a ton of white smoke from the tail pape. It is possible that it is, but you need to have it checked out immediately. Feels like driving over reflector bumps in middle of the road. Here's a look at what the flashing of the check engine light may mean. My check engine light starts blinking when I go above 20mph. The key trick is not giving me any codes. Now what? What is a Check Engine Light? The check engine light is part of the onboard diagnostics (OBD) system in your BMW. I had a similar problem about a month or so ago - check engine light came on and the car was running rough. Is your car is shaking or rattling when you slow down or speed up? If so, it is time for you to get your vehicle checked for any automatic transmission problems before the situation worsens. I pulled into the auto zone to check for codes. If the check engine light is blinking or you notice any serious performance problems, such as a loss of power, reduce your speed and try to reduce the load on the engine. As with most car repair problems the sooner you fix it the less expensive it can be. The check engine light came on and started flashing repeatedly which the Chevy site indicates that to mean there is a serious problem that needs immediate attention.

Check Engine Light Flashing Car Shaking Smells Like Gas