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Hey guys, I have a 2011 v6 with 126000 miles on it, the other day it started to sound like a constant misfire in the motor and check engine light turned on. It was a problem in cylinder 3. Changed all 6 spark plugs. Now when I'm in Park the car sounds normal, I Rev up sounds normal. But when I'm in the road and I want to accelerate the car starts to miss fire like it had a bad spark, the check engine light starts to blink I let go of the acceleration and drive normal 20-40mph and the car goes back to normal and the check engine lights turns off.... Help..
 
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