CAR BACKFIRED AND ENGINE CAUGHT ON FIRE
1998 Buick Lesabre
Owner reports · Recalls · Investigations
More warning signs than most Lesabre years
Owner complaints for the 1998 Buick Lesabre are substantially higher than the model-year median of 24.
About this comparison →How this year compares
Owner complaints by model year
Compare all Lesabre years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
173 reports with mileage · 227 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 196 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Fuel System, Gasoline. Review the 70 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 50 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Engine And Engine Cooling complaints
196 reportsWHILE RETURNING HOME FROM OUR DAUGHTER'S IN VIRGINIA, OUR CHECK ENGINE LIGHT CAME ON. WE PULLED ONTO A SIDE ROAD AND TURNED OFF THE CAR. LOOKING UNDER THE HOOD, WE FOUND THE RESERVE RADIATOR RESERVOIR TO BE TOTALLY EMPTY. AFTER 20 MINUTES, WE TRIED TO START THE CAR TO NO AVAIL. WE WERE TOWED BACK TO THE NEAREST TOWN, SELINSGROVE…
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WHILE RETURNING HOME FROM OUR DAUGHTER'S IN VIRGINIA, OUR CHECK ENGINE LIGHT CAME ON. WE PULLED ONTO A SIDE ROAD AND TURNED OFF THE CAR. LOOKING UNDER THE HOOD, WE FOUND THE RESERVE RADIATOR RESERVOIR TO BE TOTALLY EMPTY. AFTER 20 MINUTES, WE TRIED TO START THE CAR TO NO AVAIL. WE WERE TOWED BACK TO THE NEAREST TOWN, SELINSGROVE, PA, TO A PEP BOYS AND WERE TOLD THE ENGINE HAD SEIZED UP. THE NEXT DAY THE CAR WAS TOWED BACK TO ROCHESTER WHERE OUR MECHANIC PROCEEDED TO FIND OUT THE PROBLEM. WE ALSO CALLED THE DEALERSHIP WHERE WE BOUGHT THE CAR TWO YEARS AGO, AND THE SERVICE MANAGER TOLD US THAT HE HAD SEEN THIS BEFORE. THE RADIATOR FLUID IS ENTIRELY SUCKED INTO THE ENGINE THROUGH THE INTAKE MANIFOLD AND THERE IS NEVER ANY INDICATION OF OVER HEATING OR CHANGES ON THE GAUGE READINGS BECAUSE THE ENGINE IS NOT HOT, DUE TO THE FLUID BEING IN THERE. CONSEQUENTLY, WE HAD TO HAVE THE ENGINE REPLACED. THREE DAYS AFTER THIS HAPPENED TO US, A LETTER WAS MAILED OUT TO ALL OWNERS OF 2000-2003 BUICKS FOR THIS VERY SAME PROBLEM. WE HAVE A 1998 BUICK LESABRE. WE CALLED THE NUMBER GIVEN 1-800-832-8425 AND ALSO CALLED BBB AUTO LINE FOR GENERAL MOTORS. GENERAL MOTORS WILL NOT DO ANYTHING TO HELP US IN THIS MATTER BECAUSE OUR VEHICLE IS A 1998. THE COST WE HAVE INCURRED TO REMEDY THIS FAILURE IS IN EXCESS OF $3,000.00. THE SAME ENGINE WAS USED TO REPAIR THE PROBLEM: A 3800 SERIES LL (L36) V6 ENGINE. HOW DO I KNOW THE SAME THING WON'T HAPPEN AGAIN? I DO NOT! I DO NOT WANT TO KEEP THE VEHICLE YET I CANNOT AFFORD NOT TO. WE HAVE BOUGHT GM CARS AND TRUCKS FOR THE LAST 35 YEARS. WE ALWAYS SAID: "BUY AMERICAN". I GUESS THAT TIME IS OVER. IS THERE ANYTHING YOU CAN DO TO HELP US? *JB
THE CHECK ENGINE SOON LIGHT HAD COME ON. THE VEHICLE LOOKED AS IF IT WAS LEAKING COOLANT, HOWEVER NO COOLANT WAS FOUND LEAKING. WHEN THE VEHICLE WAS TAKEN TO THE REPAIR SHOP, THEY FOUND AN INTERNAL LEAK. THIS WAS CAUSED BY THE PLASTIC PLENUM INTAKE. *AK *SCC
THE UPPER INTAKE MANIFOLD GASKET CORRODED AND CAUSED COOLANT TO LEAK FROM THE VEHICLE. THIS LEAKAGES OCCURRED WHILE DRIVING OR PARKING. THE DEALER WAS NOTIFIED AND INFORMED THE CONSUMER THAT THE VEHICLE WAS NOT COVERED UNDER A MANUFACTURER'S RECALL. *AK *NLM
INTAKE MANIFOLD FAILED ON MY 1998 BUICK LESABRE AT 77,000 MILES. PLASTIC MANIFOLD PERFORATED DUE TO EXHAUST GAS IMPINGING FROM EGR TUBE, FLOODING ENGINE WITH COOLANT AND CAUSING ENGINE TO STALL WITH SUBSEQUENT LOSS OF POWER STEERING AND BRAKES ON INTERSTATE HIGHWAY.*AK
THE VEHICLE EXPERIENCED THE SAME PROBLEM AS THE RECALL THAT WAS ISSUED REGARDING THE MANIFOLD, HOWEVER THE VEHICLE IDENTIFICATION NUMBER WAS NOT INCLUDED IN THE RECALL. *AK THE CONSUMER STATED THE VEHICLE RAN FOR FIVE HOURS, HE STOPPED TO GET GAS AND THE VEHICLE FAILED TO RESTART. *JB
CONSUMER STATES THAT WHILE DRIVING, THE VEHICLE WOULD STALL AND IT WILL BE HARD FOR THE CONSUMER TO CONTROL THE VEHICLE. DEALER NOTIFIED. *PH THE VEHICLE STARTED TO LOOSE SPEED PULLED INTO GAS STATION. THE VEHICLE START AGAIN. GM WAS AWARE OF THE PROBLEM. THE CONSUMERS FRIEND HAD EXPERIENCED THE SAME PROBLEM WITH THE RE…
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CONSUMER STATES THAT WHILE DRIVING, THE VEHICLE WOULD STALL AND IT WILL BE HARD FOR THE CONSUMER TO CONTROL THE VEHICLE. DEALER NOTIFIED. *PH THE VEHICLE STARTED TO LOOSE SPEED PULLED INTO GAS STATION. THE VEHICLE START AGAIN. GM WAS AWARE OF THE PROBLEM. THE CONSUMERS FRIEND HAD EXPERIENCED THE SAME PROBLEM WITH THE REPLACEMENT OF THE MANIFOLD GASKETS. THE CONSUMER REQUESTED TO BE REIMBURSED FOR THE MANIFOLD AND THE STARTER. *SCC *NLM
FAX FM ANDREW HUNT (NJ) REQUEST ASSISTANCE IN GETTING REIMBURSED FOR $561.24 WORTH OF REPAIRS TO FIX THE UPPER INTAKE MANIFOLD ON HIS 1998 GM BUICK LESABRE & RECALL ALL CARS LISTED IN GM TECH. SERVICE BULLETIN # 01-06-01-007A. *MR THE CONSUMER STATED THE CONCERN WAS THE VEHICLE DID NOT GIVE WARNING OF A PROBLEM AS THE COOLAN…
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FAX FM ANDREW HUNT (NJ) REQUEST ASSISTANCE IN GETTING REIMBURSED FOR $561.24 WORTH OF REPAIRS TO FIX THE UPPER INTAKE MANIFOLD ON HIS 1998 GM BUICK LESABRE & RECALL ALL CARS LISTED IN GM TECH. SERVICE BULLETIN # 01-06-01-007A. *MR THE CONSUMER STATED THE CONCERN WAS THE VEHICLE DID NOT GIVE WARNING OF A PROBLEM AS THE COOLANT EMITTED FROM THE TAIL PIPE UNNOTICED. IF THERE WAS TOO MUCH COOLANT IN THE ENGINE THE VEHICLE WOULD STOP. THE DEFECTIVE PLASTIC INTAKE MANIFOLD AND THE BROKEN STARTER FROM THE VEHICLE WHICH CLEARLY SHOWED THAT THE EGR STOVE PIPE ALLOWED WATER TO GET INTO THE ENGINE. *SCC *JB
I HAD BEEN LOSING COOLANT (2 QUARTS IN 4~6 WEEKS) WITHOUT SEEING ANY SPOTS ON GROUND OR COOLANT ABOUT ENGINE / RADIATOR. WHILE DRIVING, EXPERIENCED RELATIVELY SUDDEN LOSS OF POWER, MIL LIGHT CAME ON, COULD NOT DRIVE GREATER THAN 60 MPH, VERY POOR OPERATION AND ACCELERATION. DEALER (SUPERIOR BUICK, DEARBORN MICHIGAN) DIAGNOSED …
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I HAD BEEN LOSING COOLANT (2 QUARTS IN 4~6 WEEKS) WITHOUT SEEING ANY SPOTS ON GROUND OR COOLANT ABOUT ENGINE / RADIATOR. WHILE DRIVING, EXPERIENCED RELATIVELY SUDDEN LOSS OF POWER, MIL LIGHT CAME ON, COULD NOT DRIVE GREATER THAN 60 MPH, VERY POOR OPERATION AND ACCELERATION. DEALER (SUPERIOR BUICK, DEARBORN MICHIGAN) DIAGNOSED PROBLEM AS BLOWN HEADGASKET. I SUBSEQUENTLY HAD ENGINE REMANUFACTURED UNDER DEALER PREMISE OF HEAD GASKET, ONLY TO FIND THAT THE UPPER INTAKE MANIFOLD HAD FAILED AND ALLOWED COOLANT TO PASS INTO INTAKE PASSAGES (REFERENCE GM SERVICE BULLETIN 010601007, AND ~7A). I WAS NEVER INFORMED OF THESE BULLETINS BY THE DEALERSHIP, BUT THEY ARE 2 YEARS OLD.*AK
FIRST WE WOULD LIKE TO REPORT OUR DISSATISFACTION WITH STILLWATER MOTORS IN THAT THEY ADDED BOGUS CHARGES ON TO THE INVOICE THEN LATER, AFTER WE QUESTIONED AND INSISTED ON SEEING THESE NEW PARTS AND THE OLD PARTS, THEY ADJUSTED THE INVOICE BY CREDITING US $400. THE CAR WAS BROUGHT IN DUE TO THE ENGINE RUNNING ROUGH, OVERHEATING…
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FIRST WE WOULD LIKE TO REPORT OUR DISSATISFACTION WITH STILLWATER MOTORS IN THAT THEY ADDED BOGUS CHARGES ON TO THE INVOICE THEN LATER, AFTER WE QUESTIONED AND INSISTED ON SEEING THESE NEW PARTS AND THE OLD PARTS, THEY ADJUSTED THE INVOICE BY CREDITING US $400. THE CAR WAS BROUGHT IN DUE TO THE ENGINE RUNNING ROUGH, OVERHEATING AND AN INCREASED USAGE OF COOLANT. THE DEALERSHIP DIAGNOSED THE PROBLEM AS BEING A DEFECT IN THE UPPER MANIFOLD RESULTING IN LEAKAGE OF COOLANT ONTO THE SPARKPLUGS. IN THE END, THE UPPER MANIFOLD, 4 GASKETS, THE OIL FILTER, AND THERMOSTAT HAD BEEN REPLACED AND HAD THE FUEL/EMISSION SYSTEM FLUSHED. WE WERE QUITE ASTOUNDED TO SEE SO MANY ISSUES WITH THIS VERY SAME PROBLEM WE HAD AND WE ARE HOPING THAT THERE IS SOME RELIEF GIVEN TO ALL BUICK LESABRE OWNERS WHO HAVE HAD TO INCUR THESE REPAIR COSTS. *PH
Official recalls
104V090000 · 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
2EA02030 · 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.
PE02050 · Engine Compartment Fires
Opened Jun 13, 2002 · Closed Oct 22, 2002
Status: closed (inferred from source dates) · Engine And Engine Cooling
No summary supplied.
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