There are 2 stored owner reports matching the fuel system leading-label group for the 2012 Chevrolet Sonic in our NHTSA-sourced dataset. These are unverified consumer reports and may not reflect confirmed defects.
This group counts stored reports whose component label starts with one of this site's matching prefixes, ignoring case. Each matching report counts once within the group. Components mentioned later in the label or only in the narrative are not searched. How component counts work
Loaded 2 of 2 matching reports.
Open the full vehicle complaint log (all categories)MY MOTHER STATED THAT SHE WAS SITTING STILL AT A RED LIGHT WAITING FOR IT TO TURN GREEN WHEN OUT OF NO WHERE THE ENGINE REVVED UP AND THE CAR LUNGED FORWARD CAUSING HER TO STRIKE THE CAR THAT WAS IN FRONT OF HER. SHE MANAGED TO STEERING AROUND THAT CAR AND BRING THE CAR TO A STOP. SHE AND MY SISTER TOLD ME THIS IS NOT THE FIRST TIME THIS HAS HAPPENED. BOTH TIMES THE CAR WAS STANDING STILL AND HER FEET WERE ON THE BRAKES.UPDATED 06/03/14 *BF *TR
A BAD SMELL LIKE ROTTEN EGGS, KEEPS COMING OUT OF THE AC/C VENTS AND THE ENGINE OF THE CAR. I CHANGED THE AIR FILTER AND EVERYTHING BUT NOTHING HAPPEN THE SMELL DOES NOT GO AWAY. *TR
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
NHTSA source checks for this vehicle year
Checks are recorded separately for each dataset, not for the whole page. Dates use UTC. A missing check date does not mean no records exist.
Vehicle import recorded: Apr 28, 2026. This is the stored import date, not confirmation that every source was successfully refreshed.