There are 2 stored owner reports matching the engine leading-label group for the 2014 Buick LaCrosse 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)ENGINE LIGHT COMES ON WHEN AIR CONDITIONER IS ON AND CAR IS STATIONARY. I HAVE NOT HAD A DIAGNOSTIC PERFORMED. ENGINE LIGHT VARIES COMING ON IN MOTION.
TL* THE CONTACT OWNS A 2014 BUICK LACROSSE. WHILE DRIVING 75 MPH, THE VEHICLE LOST POWER WITHOUT WARNING. THE FAILURE OCCURRED ON SEVERAL OCCASIONS AND THE VEHICLE WAS TAKEN TO A DEALER SEVERAL TIMES. IT WAS DIAGNOSED THAT THE SENSOR WAS FAULTY AND NEEDED TO BE REPLACED. THE SENSOR WAS REPLACED, BUT THE FAILURE RECURRED SEVERAL MONTHS LATER. THE VEHICLE WAS TAKEN BACK TO THE DEALER, BUT NO ISSUES WERE FOUND. THE FAILURE PERSISTED AND THE VEHICLE WAS ONCE AGAIN TAKEN BACK TO THE DEALER WERE IT WAS AWAITING DIAGNOSTIC TESTING. THE MANUFACTURER WAS NOT NOTIFIED. THE FAILURE MILEAGE WAS 42,000.
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.