1998 Buick Riviera Vehicle speed control Problems
- Complaints
- 2about this part
- Share
- 7%of 29 total for the year
- Median mileage
- 57,617miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the vehicle speed control of the 1998 Buick Riviera, 7% of the 29 complaints for this model year. Where a mileage was given, the median is 57,617 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 1998 Buick Riviera. While driving 40 MPH, the vehicle continued to accelerate and would not stop when the contact depressed the brake pedal with both feet. He drove on the shoulder and had to place the vehicle in neutral for it to stop. The contact opened the hood noticed that the plastic shield separated that covers the motor. He was able to tape the shield back and drove the vehicle to his residence. The dealer stated that the supercharger waste gate valve separated and needed to be repaired. The manufacturer advised him to get an evaluation from the dealer. …”
NHTSA complaint #10203682, filed 2007-09, 57,617 milesRelated service bulletins
- 10017568Sep 1, 2005Intermittent chuggle or fishbite on light acceleration or a highway speeds with no diagnostic trouble codes (dtcs).
Vehicle speed control: other model years
Other parts of the 1998 Buick Riviera
7 complaintsBrakes
6 complaintsEngine
4 complaintsElectrical system
3 complaintsSeats
3 complaintsTires
3 complaintsTransmission and drivetrain
3 complaintsEngine cooling
2 complaintsFuel system
2 complaintsEquipment
1 complaintsOther or unknown
1 complaintsSeat belts
1 complaints
← All problems reported for the 1998 Buick Riviera
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology