But it’s still a smart decision to take the car to a specialist. To start a flashing or blinking check engine light means you have a gross misfire. When your vehicle check engine light blinking, shaking and vibrating when accelerating, it can be an alarming event and is a sure indication there’s something amiss. most causes of missfires are plug wires and or coil pack. Why is your check engine light blinking and your car shaking after getting gas? Car engine light on light blinking shaking over due for oil chang Your engine has a cylinder miss-firing, that not only shakes the car but makes the check engine light blink the cylinder number that is missing, don't drive the car this way or u will overheat the exhaust catalytic converter, this can cause a fire. On acceleration. When I went to take off from the red light the car started to jerk violently, so I pulled over and popped the hood. last Saturday, however, I left the house and stopped at a gas station. I know I have to take it in to get it checked since the check engine light is always on, but what gets me is that blinking check engine light. If this Check Engine Light blinks constantly instead of flashing slowly, rather than one that can be stopped and shaking/vibrating it reflects a more severe concern. 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. Feels like driving over reflector bumps in middle of the road. First off I have a 2007 Altima 2.5 with about 91,000 miles. Which would explain your shaking car. At idle it sputters and sounds more like a little boat engine … See if the Check Engine Light (CEL) is on when your car begins to shake during acceleration. It’s also possible that the car shaking isn’t the only reason why your check engine light is on . a flashing check engine light means you are in danger of damaging your catylitic converter and you should scan the car. Lexus check engine light will start to flash if one or more of the cylinders if no longer working properly. Just this morning started to shake real bad off and on while driving. Your engine isn’t firing correctly. When the engine light is lit up, and the engine control unit recognizes a problem with the engine, the engine control unit will store a trouble code in the memory. Common Causes of Check Engine Light Car Shakes When Accelerating 1. When it shakes the check engine light will flash rapidly then stop. 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. Lexus Check Engine Light Flashing | check engine light flashing car shaking lexus. 140000 miles. I was at a red light earlier and my car jerked so hard I thought someone had tapped my from behind. Hey I have a 2000 prerunner v6. And as soon as possible fix that issue and don’t try to speed up your car in this situation. 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