There are 2 owner-reported engine complaints for the 2024 Buick Encore GXin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The issue has happened three times and has been "repaired" three times. While driving, the vehicle starts to shake violently. Then the check engine light comes on and the vehicle shuts off. It has happened on extremely busy roads and almost caused major accidents. It has been a problem with fuel pump and sensor. Again, it has happened three times.
Vehicle was started and started misfiring and then shut off, no check engine lights came on. Tried to restart the car and it continued to misfire but eventually stopped. Car also misfires sometimes after refueling. Car was taken to dealership to be looked at and there were no findings of any issues, they suggested it was bad gas.
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.
Data synced from NHTSA on Apr 26, 2026