Revs up problems
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Revs go up when disingating the excellerator
Chevrolet Sonic 2012 Hatchback 80000 miles
Over ref whEn disingating excellerator. Over rev
3 reports
Rough ideling
Chevrolet Sonic 2016 1.6 LTZ Hatchback 65000 miles
RPM up and down if car is stoped and sometimes it goes off. If driving its ok but if u want to stop at traffic light suddenly RPM goes from low to high and the transmission will jerk to change gear unless u continue to press brake than it will not jerk. Also engine light on and ABS comes on and off if ur stopping at the light wether ur using break or not.
9 reports
Chevrolet sonic 2015 1.6 Hatchback 159000 KM. RPM up and down if car is stoped and sometimes. If driving its ok but if u want to stop at traffic light suddenly RPM goes from low to high and even when driving on a freeway and apply brakes to reduce speed it goes on high rev and vibrating the whole body.
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