Demystifying the Blinking Check Engine Light and Shaking Car Enigma

Never drive the vehicle any time the check engine light is flashing,that means vehicle needs service NOW. Dec 11, 2009 | 10:07 AM. 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. When the check engine light blinks - that's bad. Means you have a critical issue with the motor. My guess is it could be a spark plug pack going bad. A flashing check engine light indicates a much more serious issue. Most often it means that the engine is misfiring and unburned fuel is getting into the ... In these modern cars, if the check engine light blinks even once, the ECU will register the cause of the error. A simple OBD scan will tell you ... As other have said it's most likely a misfire and if you experience the same thing make sure you safely pull over ASAP, turn off the engine, ... Did it have any hard codes stored or can your mechanic check them with their equipment? The vehicle ran fine for 3 miles after having this work ... Flashing check engine light reducing car or truck gas mileage? New spark plugs and coils can help. 1A Auto: Repair Tips & Secrets Only Mechanics ... I have a 2012 Outback that has started shaking while driving on the interstate twice now. It starts to shake and the check engine light comes on. Could be a bad rocker arm. I had one on my charger, it caused a nasty misfire. All shops told me it was low engine compression, and that it was ...