2008 Toyota Corolla revving when in idle

#1
I have a 2008 Toyota Corolla. My check engine light came on for about a week, but is now off again. I noticed that when I am stopped at a traffic light or even when I'm in park my car starts shaking and feels like it's jerking forward. It doesn't happen all of the time, but has been happening more frequently lately. The rpm meter also increases and decreases slightly when this happens. I haven't had any other issues with my car. Any help is appreciated.
 
#2
Pull codes. Even if your light isn't on history codes may help.
Also does your light come on when this is happening like does it blink? Do you have your a/c on when this happens?
Does it only do it at idle whether in park or drive?
Have you checked your throttle body to make sure it's clean as well as your maf sensor?
 
#4
I have a 2008 Toyota Corolla. My check engine light came on for about a week, but is now off again. I noticed that when I am stopped at a traffic light or even when I'm in park my car starts shaking and feels like it's jerking forward. It doesn't happen all of the time, but has been happening more frequently lately. The rpm meter also increases and decreases slightly when this happens. I haven't had any other issues with my car. Any help is appreciated.
Do you have AC on our HVAC controls in the defrost or foot/defrost position?
 
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