There are 2 stored owner reports matching the engine leading-label group for the 2006 Buick Rainier 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)AT HIGHWAY SPEEDS (50-60 MPH) ACCELERATOR BECAME INOPERATIVE...I.E., NO CONNECTION WITH ENGINE. USED "RESUME" BUTTON ON CRUISE CONTROL TO SPEED UP. MANY MONTHS AGO SAME THING HAPPENED. COULD BE VERY DANGEROUS. JUST INTERMITTENT. *NM
DT*: THE CONTACT STATED SINCE JULY 13, 2006, THE VEHICLE STALLED WITHOUT WARNING AT SPEEDS BELOW 20 MPH. THE VEHICLE RESTARTED EACH TIME AND WAS TAKEN TO THE DEALERSHIP. THE DEALERSHIP WAS UNABLE TO DETERMINE A PROBLEM, BUT REPLACED THE IGNITION SWITCH AND COOLANT TEMPERATURE SENSOR IN A REPAIR ATTEMPT. THE PROBLEM PERSISTED.
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.