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1998 Oldsmobile 88

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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When problems were reported

Mileage at the reported incident

62 reports with mileage · 102 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Engine And Engine Cooling. Review the 76 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes, Hydraulic. Review the 18 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel System, Gasoline. Review the 16 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

9 crash reports13 fire reports5 injury reports

Engine And Engine Cooling complaints

76 reports
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44,000 miles · Apr 20, 2012
Engine And Engine Cooling

ENGINE HYDRO LOCKED WHEN A CRACK IN THE PLASTIC INTAKE MANIFOLD ALLOWED COOLANT TO BE SUCKED INTO THE ENGINE CYLINDERS, CAUSING THE ENGINE TO LOCK UP WHILE MY WIFE WAS DRIVING IT. FORTUNATELY, NO ACCIDENT OCCURRED, BUT THIS SEEMS TO BE A VERY COMMON PROBLEM DUE TO WHAT SEEMS TO BE A DESIGN FLAW BY GM. WE HAD TO HAVE THE ENGINE R…

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ENGINE HYDRO LOCKED WHEN A CRACK IN THE PLASTIC INTAKE MANIFOLD ALLOWED COOLANT TO BE SUCKED INTO THE ENGINE CYLINDERS, CAUSING THE ENGINE TO LOCK UP WHILE MY WIFE WAS DRIVING IT. FORTUNATELY, NO ACCIDENT OCCURRED, BUT THIS SEEMS TO BE A VERY COMMON PROBLEM DUE TO WHAT SEEMS TO BE A DESIGN FLAW BY GM. WE HAD TO HAVE THE ENGINE REPLACED, AND THE INTAKE MANIFOLD, AT A COST OF $5,400.00. WE HEARD THAT THERE WAS A CLASS ACTION LAWSUIT BECAUSE OF THIS PROBLEM, BUT PEOPLE WERE JUST AFFORDED A SHORT TIME TO ACT ON IT, AND WE WERE NOT EVEN NOTIFIED. IS THERE ANOTHER SUIT THAT WE CAN BE A PART OF? WE SHOULD NOT HAVE HAD TO REPLACE AN ENGINE WITH JUST 44,000 MILES ON IT. *JS

NHTSA ODI #10455916

Mileage unknown · Apr 17, 2009
Engine And Engine Cooling

MY CAR HAS THE SAME PROBLEMS DESCRIBED IN THE LATEST GM RECALL IN CARS WITH THE 3.8 L MOTOR IN WHICH OIL LEAKS OUT ONTO THE EXHAUST MANIFOLD AND COULD CAUSE A FIRE. I HAVE CONTACTED THE NUMBER GIVEN BUT IT SHOWED MY 1998 OLDS 88 IS NOT COVERED EVEN THOUGH IT HAS THE SAME MOTOR AND PROBLEM IN THE RECALL. *TR

NHTSA ODI #10265731

114,284 miles · Oct 28, 2007
Engine And Engine Cooling

GRADUALLY YOU WILL SEE A DEPLETION OF THE ANTI-FREEZE FROM THE HOLDING RESERVOIR. THIS IS COULD BE A SIGN THAT THE INTAKE MANIFOLD IS BEGINNING TO LEAK ANTI-FREEZE (JUST A LITTLE) INTO THE ENGINE. SOONER OR LATER WHEN THE EROSION IS LARGE ENOUGH THEN A PLUME OF WHITE SMOKE WILL COME OUT OF THE EXHAUST AND YOU HAVE NO CHOICE BU…

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GRADUALLY YOU WILL SEE A DEPLETION OF THE ANTI-FREEZE FROM THE HOLDING RESERVOIR. THIS IS COULD BE A SIGN THAT THE INTAKE MANIFOLD IS BEGINNING TO LEAK ANTI-FREEZE (JUST A LITTLE) INTO THE ENGINE. SOONER OR LATER WHEN THE EROSION IS LARGE ENOUGH THEN A PLUME OF WHITE SMOKE WILL COME OUT OF THE EXHAUST AND YOU HAVE NO CHOICE BUT TO PULL OVER AND CALL THE TOW TRUCK. I HAVE REPLACED THE ENGINE INTAKE MANIFOLD TWICE ON MY 1998 OLDS 88 DUE TO DEGRADING OF THE INTERIOR WALL WHERE THE ANTI-FREEZE FLOWS BACK INTO THE ENGINE. BOTH TIMES THE TOTAL COST OF THE REPAIR (INCLUDING PLUGS, WIRES, NEW MANIFOLD, LABOR) WAS AROUND $1,200. ON THE LAST MANIFOLD GM HAD ESTABLISHED ADDING A PIECE OF METAL WHERE THE ANTI-FREEZE WAS ERODING THE "SPACE AGE PLASTIC" INTAKE MANIFOLD. BASED ON THIS, GM KNOWS THIS IS AN ENGINEERING PROBLEM, BUT THEY WILL NOT TAKE OWNERSHIP OF IT AND OR PAY FOR IT. *TR

NHTSA ODI #10207093

Mileage unknown · May 1, 2007
Engine And Engine CoolingInjury

ON NUMEROUS OCCASIONS WHILE DRIVING I'LL HIT BRAKES CHECK ENGINE LIGHT COMES ON BRAKES GRIND LOUDLY AND ENGINE STALLS. ALSO THE ENGINE WILL STALL AT ANY CRUISING SPEED OVER 40 MPH. CAUSING FULL POWER LOSS INCLUDING BRAKES MY DAUGHTER AND I HAVE RECEIVED INJURIES FROM THIS IN THE PAST. NEED HELP ASAP *TR

NHTSA ODI #10189426

79,000 miles · Mar 22, 2007
Engine And Engine Cooling

TL*THE CONTACT OWNS A 1998 OLDSMOBILE 88 LS. THE VEHICLE STALLED AND WOULD NOT ACCELERATE, THE STEERING DIDN'T LOCK AND THE AIRBAG LIGHT ILLUMINATED. THE FAILURE MILEAGE WAS 79,000. THE FAILURE OCCURRED ON SIX OCCASIONS. THE DEALER STATED THAT THEY WERE UNABLE TO DUPLICATE THE PROBLEM. THE CONTACT STATED THAT DUE TO THE …

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TL*THE CONTACT OWNS A 1998 OLDSMOBILE 88 LS. THE VEHICLE STALLED AND WOULD NOT ACCELERATE, THE STEERING DIDN'T LOCK AND THE AIRBAG LIGHT ILLUMINATED. THE FAILURE MILEAGE WAS 79,000. THE FAILURE OCCURRED ON SIX OCCASIONS. THE DEALER STATED THAT THEY WERE UNABLE TO DUPLICATE THE PROBLEM. THE CONTACT STATED THAT DUE TO THE SAFETY RISK INVOLVED THE MANUFACTURER SHOULD BE ABLE DIAGNOSE THE FAILURE. THE CURRENT MILEAGE WAS 80,435. *AK THE CONSUMER STATES HAS TAKEN VEHICLE INTO DEALER FOR 2 DIANOSTICS CHECKS NO FAILURES FOUND. ENGINE STILL CONTINUES TO STALL. UPDATE *4/23/07TR

NHTSA ODI #10185910

91,300 miles · Mar 28, 2005
Engine And Engine Cooling

CONSUMER SMELLED ANTI FREEZE FUMES OUTSIDE OF THE VEHICLE, LEAKING ON THE PLASTIC INTAKE MANIFOLD. DEALERSHIP WILL BE NOTIFIED. *AK THE EGR PIPING DEGRADED AND CAUSED WATER TO LEAK INTO THE INTAKE MANIFOLD. *NM

NHTSA ODI #10111582

130,000 miles · Feb 23, 2005
Engine And Engine Cooling

MY OLDSMOBILE 88 WAS LOOSING ANTI-FREEZE. THERE WAS A RECALL ON THE FUEL PRESSURE REGULATOR, SO I TOOK IT IN FOR RECALL REPAIR AND HAD THE DEALER CHECK THE COOLANT SYSTEM. THEY SAID MY INTAKE MANIFOLD NEEDED TO BE REPLACED AT A COST OF $1200. THIS IS THE SECOND TIME I HAVE HAD TO HAVE THIS DONE TO THE CAR. THE INTAKE MANIFOL…

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MY OLDSMOBILE 88 WAS LOOSING ANTI-FREEZE. THERE WAS A RECALL ON THE FUEL PRESSURE REGULATOR, SO I TOOK IT IN FOR RECALL REPAIR AND HAD THE DEALER CHECK THE COOLANT SYSTEM. THEY SAID MY INTAKE MANIFOLD NEEDED TO BE REPLACED AT A COST OF $1200. THIS IS THE SECOND TIME I HAVE HAD TO HAVE THIS DONE TO THE CAR. THE INTAKE MANIFOLD WAS REPLACED AT 60000 MILES.APPARENTLY THE PLASTIC MANIFOLD IS NOT ABLE TO HANDLE THE HEAT. MY CAR HAS NEVER OVERHEATED AND THIS SHOULD NOT BE HAPPENING. I HAVE 133,000 MILES ON THE VEHICLE AND SHOULD NOT HAVE HAD TO REPLACE THIS MANIFOLD TWICE.*AK

NHTSA ODI #10112037

63,381 miles · Feb 22, 2005
Engine And Engine Cooling

LTR TO GM REIMBURSEMENT FOR REPAIR ON RECALL DEFECT OF INTAKE MANIFOLD ON 1998 OLDSMOBILE EIGHTY-EIGHT. *BF THE VEHICLE INTAKE MANIFOLD FAILED PRIOR TO RECALL NOTIFICATION. WHEN THE CONSUMER STARTED THE VEHICLE IT BACKFIRED AND SHUT OFF. THE CONSUMER ATTEMPTED TO RESTART THE VEHICLE SEVERAL TIMES WITHOUT SUCCESS. *NM

NHTSA ODI #10113011

Mileage unknown · Feb 16, 2005
Engine And Engine CoolingService Brakes, Hydraulic

WHILE THE VEHICLE WAS PARKED, THE CONSUMER NOTICED THAT A LIQUID WAS LEAKING FROM UNDERNEATH THE VEHICLE. ALSO, WHILE APPLYING THE BRAKES THE PEDAL DID NOT GO TO THE FLOOR. THE BRAKING POWER WAS LESS THAN NORMAL. CONSUMER TOOK VEHICLE TO DEALER FOR INSPECTION, AND THE MECHANIC DETERMINED THAT THE OIL PAN GASKET AND FRONT BRA…

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WHILE THE VEHICLE WAS PARKED, THE CONSUMER NOTICED THAT A LIQUID WAS LEAKING FROM UNDERNEATH THE VEHICLE. ALSO, WHILE APPLYING THE BRAKES THE PEDAL DID NOT GO TO THE FLOOR. THE BRAKING POWER WAS LESS THAN NORMAL. CONSUMER TOOK VEHICLE TO DEALER FOR INSPECTION, AND THE MECHANIC DETERMINED THAT THE OIL PAN GASKET AND FRONT BRAKE PADS NEEDED TO BE REPLACED. *AK *ER *JB

NHTSA ODI #10099430

Mileage unknown · Jan 26, 2005
Engine And Engine Cooling

WHILE DRIVING,\ THE CHECK ENGINE LIGHT FLASHED ON THE DASHBOARD AND REMAINED ON. THEN, THE VEHICLE STALLED. DRIVER WAS UNABLE TO RESTART VEHICLE. NOTICED THAT COOLANT LEAKED FROM UNDERNEATH THE VEHICLE. IT WAS TOWED TO THE DEALER, AND MECHANIC DETERMINED THAT THE INTAKE MANIFOLD NEEDED REPLACEMENT. DRIVER INFORMED THE MECHAN…

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WHILE DRIVING,\ THE CHECK ENGINE LIGHT FLASHED ON THE DASHBOARD AND REMAINED ON. THEN, THE VEHICLE STALLED. DRIVER WAS UNABLE TO RESTART VEHICLE. NOTICED THAT COOLANT LEAKED FROM UNDERNEATH THE VEHICLE. IT WAS TOWED TO THE DEALER, AND MECHANIC DETERMINED THAT THE INTAKE MANIFOLD NEEDED REPLACEMENT. DRIVER INFORMED THE MECHANIC THAT THIS PROBLEM OCCURRED MORE THAN ONCE ,AND HAS NOT BEEN RESOLVED. *AK

NHTSA ODI #10108987

Official recalls

1

04V090000 · Fuel System, Gasoline:delivery

Feb 24, 2004

ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH 3800 V6 (L36) ENGINES AND CERTAIN DELPHI FUEL PRESSURE REGULATORS, THE REGULATORS HAVE A MUCH HIGHER THAN USUAL RATE OF FUEL LEAKS. A LEAK CAN ALLOW FUEL TO ENTER THE INTAKE MANIFOLD THROUGH A VACUUM LINE. IF THE ENGINE DOES NOT START WHEN CRANKED, THE FUEL FROM THE LEAKING REGULATOR AND A MISTIMED SPARK CAN CAUSE A BACKFIRE.

Consequence & remedy

Consequence: THE BACKFIRE CAN RUPTURE THE INTAKE MANIFOLD. THE RUPTURE OF THE INTAKE MANIFOLD CAN DISPLACE A FUEL LINE, PULLING AN INJECTOR OUT OF PLACE, AND CAUSING A FUEL LEAK AND POSSIBLE FIRE.

Remedy: DEALERS WILL INSTALL NEW FUEL PRESSURE REGULATORS WITH IMPROVED DIAPHRAGMS. THE RECALL WILL BE CONDUCTED IN PHASED MAILINGS. PHASE 1 BEGAN ON JUNE 30, 2004, AND PHASE 2 BEGAN ON SEPTEMBER 30, 2004. OWNERS SHOULD CONTACT BUICK AT 1-866-608-8080, OLDSMOBILE AT 1-800-630-6537, OR PONTIAC AT 1-800-620-7668.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

1

EA02030 · Engine Compartment Fires

Opened Oct 22, 2002 · Closed Mar 9, 2004

Status: closed (inferred from source dates) · Fuel System, Gasoline; Fuel System, Gasoline:delivery; Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings

EA02-030 IS CLOSED WITH GMEA02-030 IS CLOSED WITH GM?S ACTIONS IN 03V-473 AND 04V-090 RECALLING APPROXIMATELY 529,000 MY 1998-99 C- AND H-BODY VEHICLES EQUIPPED WITH DEFECTIVE FUEL PRESSURE REGULATORS.THESE VEHICLES WERE EQUIPPED WITH PLASTIC INTAKE MANIFOLDS THAT ARE UNABLE TO CONTAIN PRESSURES THAT OCCUR IN SOME BACKFIRE EVENTS AND DEFECTIVE FUEL PRESSURE REGULATORS WITH LEAKING DIAPHRAGMS THAT CAN PROVIDE A SOURCE OF FUEL TO PRODUCE A COMBUSTIBLE AIR-FUEL MIXTURE IN THE MANIFOLD.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY ODI THAT NO SAFETY DEFECT EXISTS IN THE VEHICLES THAT ARE NOT INCLUDED IN GM?S RECALLS.ODI WILL CONTINUE TO MONITOR THE INCIDENCE OF MANIFOLD RUPTURES AND RELATED FIRES IN OTHER MY 1995-2002 GM PASSENGER CARS EQUIPPED WITH THE SUBJECT INTAKE MANIFOLD.FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.

Additional source detail variants (3)

Fuel System, Gasoline:delivery

EA02-030 IS CLOSED WITH GMEA02-030 IS CLOSED WITH GM?S ACTIONS IN 03V-473 AND 04V-090 RECALLING APPROXIMATELY 529,000 MY 1998-99 C- AND H-BODY VEHICLES EQUIPPED WITH DEFECTIVE FUEL PRESSURE REGULATORS.THESE VEHICLES WERE EQUIPPED WITH PLASTIC INTAKE MANIFOLDS THAT ARE UNABLE TO CONTAIN PRESSURES THAT OCCUR IN SOME BACKFIRE EVENTS AND DEFECTIVE FUEL PRESSURE REGULATORS WITH LEAKING DIAPHRAGMS THAT CAN PROVIDE A SOURCE OF FUEL TO PRODUCE A COMBUSTIBLE AIR-FUEL MIXTURE IN THE MANIFOLD.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY ODI THAT NO SAFETY DEFECT EXISTS IN THE VEHICLES THAT ARE NOT INCLUDED IN GM?S RECALLS.ODI WILL CONTINUE TO MONITOR THE INCIDENCE OF MANIFOLD RUPTURES AND RELATED FIRES IN OTHER MY 1995-2002 GM PASSENGER CARS EQUIPPED WITH THE SUBJECT INTAKE MANIFOLD.FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.

Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings

EA02-030 IS CLOSED WITH GMEA02-030 IS CLOSED WITH GM?S ACTIONS IN 03V-473 AND 04V-090 RECALLING APPROXIMATELY 529,000 MY 1998-99 C- AND H-BODY VEHICLES EQUIPPED WITH DEFECTIVE FUEL PRESSURE REGULATORS.THESE VEHICLES WERE EQUIPPED WITH PLASTIC INTAKE MANIFOLDS THAT ARE UNABLE TO CONTAIN PRESSURES THAT OCCUR IN SOME BACKFIRE EVENTS AND DEFECTIVE FUEL PRESSURE REGULATORS WITH LEAKING DIAPHRAGMS THAT CAN PROVIDE A SOURCE OF FUEL TO PRODUCE A COMBUSTIBLE AIR-FUEL MIXTURE IN THE MANIFOLD.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY ODI THAT NO SAFETY DEFECT EXISTS IN THE VEHICLES THAT ARE NOT INCLUDED IN GM?S RECALLS.ODI WILL CONTINUE TO MONITOR THE INCIDENCE OF MANIFOLD RUPTURES AND RELATED FIRES IN OTHER MY 1995-2002 GM PASSENGER CARS EQUIPPED WITH THE SUBJECT INTAKE MANIFOLD.FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.

Fuel System, Gasoline

EA02-030 IS CLOSED WITH GMEA02-030 IS CLOSED WITH GM?S ACTIONS IN 03V-473 AND 04V-090 RECALLING APPROXIMATELY 529,000 MY 1998-99 C- AND H-BODY VEHICLES EQUIPPED WITH DEFECTIVE FUEL PRESSURE REGULATORS.THESE VEHICLES WERE EQUIPPED WITH PLASTIC INTAKE MANIFOLDS THAT ARE UNABLE TO CONTAIN PRESSURES THAT OCCUR IN SOME BACKFIRE EVENTS AND DEFECTIVE FUEL PRESSURE REGULATORS WITH LEAKING DIAPHRAGMS THAT CAN PROVIDE A SOURCE OF FUEL TO PRODUCE A COMBUSTIBLE AIR-FUEL MIXTURE IN THE MANIFOLD.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY ODI THAT NO SAFETY DEFECT EXISTS IN THE VEHICLES THAT ARE NOT INCLUDED IN GM?S RECALLS.ODI WILL CONTINUE TO MONITOR THE INCIDENCE OF MANIFOLD RUPTURES AND RELATED FIRES IN OTHER MY 1995-2002 GM PASSENGER CARS EQUIPPED WITH THE SUBJECT INTAKE MANIFOLD.FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.