There are 1 owner-reported fuel system complaints for the 2023 Buick Encore GXin NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
the evaporative emissions purge pump or an ECM calibration fault code P0521
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