1999 Oldsmobile 88 Engine Problems
- Complaints
- 3about this part
- Share
- 4%of 77 total for the year
- Median mileage
- 108,801miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine of the 1999 Oldsmobile 88, 4% of the 77 complaints for this model year. Where a mileage was given, the median is 108,801 miles. 2 a fire, according to the filers.
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.
“1999 Oldsmobile 4.8l engine will shut completely off unexpectedly while driving. This occurs both at highways speeds of 65 MPH or at slower speeds of 35 or 35 MPH. All of the power assisted features such as power brakes and steering also stop working when the engine stops. The engine shutting defect does not occur daily and is unpredictable. The only check engine code present was a EGR valve code. The EGR valve was replaced at the cost of $344.00. The engine shutting off unexpectedly defect has continued to occur after the check engine repair was completed. …”
NHTSA complaint #10820776, filed 2016-01, 145,000 miles“The contact owns a 1999 Oldsmobile 88. The contact stated that while traveling 55 MPH, the check engine warning light illuminated as the engine overheated. The vehicle was towed to the dealer who confirmed that the failure was caused by a hole that had melted in the intake manifold, causing coolant to leak into the manifold. The manufacturer was not contacted. The vehicle was repaired. The failure mileage was 72,602 and the current mileage was 73,102.”
NHTSA complaint #10472613, filed 2012-08, 72,602 miles“Tried to start car to go to work in the morning of 6-16-14. Heard loud boom and smoke started pouring out from under hood. Opened hood and engine was on fire. Extinguished flames and found the intake mainifold had litterally blown apart. There was a recall that should have dealt with this problem.”
NHTSA complaint #10604617, filed 2014-06Engine: other model years
Other parts of the 1999 Oldsmobile 88
30 complaintsFuel system
13 complaintsElectrical system
9 complaintsTransmission and drivetrain
8 complaintsBrakes
6 complaintsSeat belts
4 complaintsSteering
4 complaintsOther or unknown
3 complaintsBody and structure
3 complaintsVehicle speed control
3 complaintsEquipment
2 complaintsExterior lighting
2 complaints
← All problems reported for the 1999 Oldsmobile 88
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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