Hello maybe you can guys can help me steer in the right direction I have a 2014 Prius c with 467 k miles When pressing gas pedal the car shakes when I let off it stops then goes back to normal again it don’t do it all the time I'm going to look at the EGR system and pressure test cooling system to shake is still there a little bit / put bottle of Amsoil pi to help breakdown the carbon it don't shake all the time 3-5 secs sometimes when you turn the car on and when the hybrid system battery bar drops to 2 bars on the dash it will start shaking for 3-5 seconds then stop it has no misfire / checked the spark plugs they have a light brownish color on plugs no check engine light I have 8 codes for tps i monitoring the misfire count there was none I have people say it blown head gasket there no white smoke there no coolant in the oil the Amsoil did help the shaking has cut down to 1-2 seconds someone from Reddit told me to try here anything will help I appreciate it
