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1998 Pontiac Sunfire

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 1998 Pontiac Sunfire do not stand out strongly from the model-year median of 77.

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When problems were reported

Mileage at the reported incident

32 reports with mileage · 88 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 32 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 21 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Steering. Review the 14 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

11 crash reports1 fire reports5 injury reports

Engine And Engine Cooling complaints

32 reports
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110,000 miles · Jul 23, 2007
Engine And Engine Cooling

COOLANT HAD BEEN LEAKING FOR OVER 3 MONTHS OFF AND ON. PUT IN STOP LEAK FOR A TEMP FIX. HOWEVER DEXCOOL CONTINUED TO EAT AWAY AT MY COOLANT SYSTEM. CAR HAS OVERHEATED ON MANY OCCASIONS. FINALLY ABLE TO USE JB WELD TO FIX LEAK . *TR

NHTSA ODI #10197189

120,000 miles · Mar 1, 2005
Engine And Engine Cooling

IN MY 98 SUNFIRE GT I HAVE SOME MAJOR PROBLEMS WITH YET I STILL OWN THE CAR. A LITTLE BIT AGO IT SEEMS LIKE MY EXHAUST PIPE FALLS OFF FROM THE EXHAUST MANIFOLD FROM THE FLANGE. WITH CAUSING YOUR CAR TO SOUND LIKE IT WAS A DRAG RACER. WELL I WENT TO PONTIAC AND FIGURED OUT THAT IT WAS GOING TO COST ME A PRETTY PENNY $500 SOME ODD…

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IN MY 98 SUNFIRE GT I HAVE SOME MAJOR PROBLEMS WITH YET I STILL OWN THE CAR. A LITTLE BIT AGO IT SEEMS LIKE MY EXHAUST PIPE FALLS OFF FROM THE EXHAUST MANIFOLD FROM THE FLANGE. WITH CAUSING YOUR CAR TO SOUND LIKE IT WAS A DRAG RACER. WELL I WENT TO PONTIAC AND FIGURED OUT THAT IT WAS GOING TO COST ME A PRETTY PENNY $500 SOME ODD DOLLARS. AND THE FUNNY THING IS THAT THIS HAS NOT JUST HAPPENED TO ME. IT HAS HAPPENED TO A FEW OF MY FRIENDS AS WELL. I DON'T HOW KNOW MANY TIMES YOU HAVE GOTTEN LETTERS ABOUT THE FAULTY EXHAUST FLANGES. *JB

NHTSA ODI #10112345

Mileage unknown · Jan 4, 2005
Electrical SystemEngine And Engine CoolingFuel System, Other

WHEN I BOUGHT THE CAR USED IN OCTOBER OF 2000 IT HAD TO KEEP GOING BACK TO THE DEALER FOR ABOUT 3 MONTHS BECAUSE THE ENGINE IN THE CAR KEPT CUTTING OUT WHILE DRIVING AROUND 55-60 MPH. DEALER COULD NOT DUPLICATE THE PROBLEM. FINALLY AFTER THE 3RD MONTH THEY FOUND THE MAIN COMPUTER WAS BAD. THAT WAS REPLACED. IT RAN FINE UNTIL TH…

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WHEN I BOUGHT THE CAR USED IN OCTOBER OF 2000 IT HAD TO KEEP GOING BACK TO THE DEALER FOR ABOUT 3 MONTHS BECAUSE THE ENGINE IN THE CAR KEPT CUTTING OUT WHILE DRIVING AROUND 55-60 MPH. DEALER COULD NOT DUPLICATE THE PROBLEM. FINALLY AFTER THE 3RD MONTH THEY FOUND THE MAIN COMPUTER WAS BAD. THAT WAS REPLACED. IT RAN FINE UNTIL THE NEXT WINTER. THE CHECK ENGINE LIGHT CAME ON & CAR KEPT STALLING WHEN AT STOP SIGNS/LIGHTS. TOOK TO DEALER HAD DIAGNOSTIC RAN WHICH READ FAULTY GAS CAP, TPS SENSOR.... I REPLACED THEM MYSELF. CHECK ENGINE LIGHT WENT OUT TILL THE NEXT DAY. TOOK CAR BACK IN FOR DIAGNOSTIC WHICH READ FAULTY GAS CAP, TPS SENSOR,EGR ,COIL PACKS,GAS TANK SENSOR.....HAD DEALER WORK ON IT.... THEY COULD NOT SEE WHY ALL THIS STUFF WAS POPPING UP ....HAD IT ALL REPLACED. REPLACING IT DID NOT WORK. CHECK ENGINE LIGHT CAME ON AGAIN ABOUT 2 DAYS LATER!!! I CHECKED CAR OVER & FOUND IF YOU WIGGLED THE MAIN WIRING HARNESS CONNECTIONS THE CAR RAN FINE & ENGINE LIGHT WENT OUT! TOOK TO DEALER TO HAVE WIRING FIXED. THEY TOOK ALL THE WIRING APART & CLEANED EVERYTHING. THEY FOUND NO PROBLEM IN THE WIRING. CHECK ENGINE LIGHT CAME ON NEXT DAY.TOOK TO DEALER AGAIN FINALLY THEY SAID I NEEDED A NEW BATTERY..... WEATHER WAS NICE AGAIN & HAD NO PROBLEMS WITH CAR.... NOW THAT WINTER IS HERE AGAIN THE CHECK ENGINE LIGHT IS ON AGAIN , DIAGNOSTIC STATED TPS SENSOR WAS BAD... I AGAIN REPLACED IT & CHECK ENGINE LIGHT WENT OUT FOR A COUPLE HOURS & IS BACK ON AGAIN & CAR STALLS WHEN STOPPING & TRYING TO GO ....CAR IS AT DEALER RIGHT NOW AGAIN. THE WHOLE TIME THE CHECK ENGINE LIGHT IS ON I ALSO HAVE PROBLEMS WITH THE CAR STALLING.................... HAVE HAD NUMEROUS PROBLEMS FROM 2000 TO NOW & STILL HAVING PROBLEMS. *AK

NHTSA ODI #10105764

24,000 miles · Mar 13, 2004
Engine And Engine Cooling

THE TEMPERATURE GUAGE FLUTTERS FROM TIME TO TIME. THEN IT WILL GO ALL THE WAY DOWN TO 0.WHEN IT STARTS TO FLUTTER AGAIN THE ENGINE SEEMS TO BE RACING. THE TACH. GUAGE WILL BOUNCE ABOUT 200-300 PRM. I ALSO NOTICED THAT WHEN THE CAR IS IN PARK AND YOU IDLE THE ENGINE UP TO ABOUT 3000 RPM, IT ACTS LIKE THERE IS A REV LIMITER. IT HA…

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THE TEMPERATURE GUAGE FLUTTERS FROM TIME TO TIME. THEN IT WILL GO ALL THE WAY DOWN TO 0.WHEN IT STARTS TO FLUTTER AGAIN THE ENGINE SEEMS TO BE RACING. THE TACH. GUAGE WILL BOUNCE ABOUT 200-300 PRM. I ALSO NOTICED THAT WHEN THE CAR IS IN PARK AND YOU IDLE THE ENGINE UP TO ABOUT 3000 RPM, IT ACTS LIKE THERE IS A REV LIMITER. IT HAS NEVER DONE THAT UNTILL A FEW MONTHS AGO. THE CHECK ENGIN LIGHT HAS NEVER COME ON UNTIL TODAY. I CHANGED PLUGS AND PLUG WIRES AND IT DIDNT HELP AT ALL. *AK

NHTSA ODI #10062071

Mileage unknown · Sep 25, 2003
Engine And Engine Cooling

CONSUMER PREFERS TO SEND A MORE DETAILED DESCRIPTION OF THE ENGINE FAILURE. *NLM

NHTSA ODI #10040640

52,000 miles · Aug 7, 2003
Engine And Engine Cooling

CONSUMER WAS HAVING PROBLEMS WITH THE EGR VALVE. DEALER NOTIFIED. *AK WHILE DRIVING THE EGR VALVE BECAME STUCK IN THE OPEN POSITION WHICH CAUSED THE ENGINE TO ROUGH OR STALL WITHOUT WARNING. *PH *NLM

NHTSA ODI #10029932

Mileage unknown · Aug 5, 2003
Engine And Engine CoolingEquipmentFuel System, Gasoline

I'VE BEEN HAVING MULTIPLE PROBLEMS WITH MY 1998 PONTIAC SUNFIRE GT. LAST MONTH I HAD A FUEL INJECTOR AND WATER HOSE GO BAD AND NEED REPLACED. THE SUCTION HOSE PUMP FOR THE AC WAS LEAKING AND HAD TO BE REPLACED WITHIN THE PAST 3 WEEKS. IN THE SAME TIME PERIOD, THE COMPRESSOR STARTED LEAKING. I'VE HAD 2 DIFFERENT COMPRESSORS P…

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I'VE BEEN HAVING MULTIPLE PROBLEMS WITH MY 1998 PONTIAC SUNFIRE GT. LAST MONTH I HAD A FUEL INJECTOR AND WATER HOSE GO BAD AND NEED REPLACED. THE SUCTION HOSE PUMP FOR THE AC WAS LEAKING AND HAD TO BE REPLACED WITHIN THE PAST 3 WEEKS. IN THE SAME TIME PERIOD, THE COMPRESSOR STARTED LEAKING. I'VE HAD 2 DIFFERENT COMPRESSORS PUT IN, AND BOTH HAVE LEAKED STILL. THE 3RD COMPRESSOR IS BEING INSTALLED TODAY, SO WE'LL SEE WHETHER IT LEAKS TOO. A COMPRESSOR SHOULD REALLY LAST LONGER THAN 5 YEARS, AND I SHOULDN'T HAVE 3 COMPRESSORS IN A WEEK TRYING TO FIND ONE THAT DOESN'T LEAK. THERE'S ALSO A CRACK IN THE WELDING THAT NEEDS TO BE FIXED OR IT WILL START LEAKING. ONE OF THE FAN PARTS WENT BAD, SO NOW LEVEL 1 ON THE FAN ADJUSTMENT DOESN'T WORK. THIS SEEMS LIKE ALOT OF PROBLEMS IN A SHORT TIMEFRAME, ESPECIALLY WITH 3 PROBLEMS BEING FOR THE AIR CONDITIONING. I'VE CONTACTED THE PONTIAC CUSTOMER SERVICE DEPARTMENT, AND THEY CONTACTED A DEALERSHIP WHO SAID THAT PROBLEMS SHOULD BE EXPECTED AFTER 5 YEARS. GUESS I THOUGHT THEY WOULD BUILD A BETTER CAR. SO FAR, I'M OUT $1900 AND HAVEN'T HAD THE FAN OR THE WELDING CRACK FIXED YET. I WOULD APPRECIATE ANY HELP THAT COULD BE OFFERED. *AK

NHTSA ODI #10030814

Mileage unknown · Jul 30, 2003
Engine And Engine Cooling

CONSUMER STATES THAT VEHICLE HAD BEEN SHUT OFF FOR ABOUT 4 HOURS, WHEN SUDDENLY THE VEHICLE WAS FILLED WITH SMOKE. CONSUMER STATES THAT THE VEHICLES STEERING WHEEL MELTED. PLEASE PROVIDE ANY FURTHER INFORMATION.

NHTSA ODI #10031628

42,000 miles · Apr 24, 2003
Engine And Engine Cooling

MARCH 24, 2003 DEAR SIRS, I RECENTLY HAD A WATER PUMP FAILURE ON MY 1998 SUNFIRE CONVERTIBLE. THE CAR HAS HAD A NOISE FROM THE FRONT OF THE ENGINE FOR ABOUT A YEAR, I THOUGHT IT WAS AN ALTERNATOR BEARING. THE CAR HAS BEEN IN A GM DEALER TWICE IN THAT TIME FOR OIL CHANGES AND OF ALL THE THINGS THE DEALER HAS TRIED TO SELL ME TH…

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MARCH 24, 2003 DEAR SIRS, I RECENTLY HAD A WATER PUMP FAILURE ON MY 1998 SUNFIRE CONVERTIBLE. THE CAR HAS HAD A NOISE FROM THE FRONT OF THE ENGINE FOR ABOUT A YEAR, I THOUGHT IT WAS AN ALTERNATOR BEARING. THE CAR HAS BEEN IN A GM DEALER TWICE IN THAT TIME FOR OIL CHANGES AND OF ALL THE THINGS THE DEALER HAS TRIED TO SELL ME THEY NEVER SAID ANYTHING WAS WRONG WITH THE WATER PUMP. ON THE NIGHT OF FRIDAY, MARCH 14TH THE CAR BEGAN LEAKING ANTIFREEZE AND THE NOISE INCREASED. I LIVE IN SOUTH LYON, MI AND THE CLOSEST PONTIAC DEALER IS WALDECKER IN BRIGHTON. I ATTEMPTED TO TELEPHONE WALDECKER SEVERAL TIMES ON SATURDAY, MARCH 15TH, BUT DID NOT CONNECT, BECAUSE OF A DEAD PHONE LINE AT WALDECKER. I THOUGHT WALDECKER WENT OUT OF BUSINESS, SINCE IT IS AN OLDSMOBILE DEALER ALSO. I LATER FOUND, FROM THE WALDECKER SERVICE MANAGER ([XXX]) AND THE RECEPTIONIST, THAT THEY WERE IN FACT HAVING PHONE PROBLEMS FOR SEVERAL DAYS. WITH NO OTHER PONTIAC DEALERS IN THE AREA, I REFILLED THE RADIATOR AND TOOK THE CAR TO WALKERS GARAGE, THE CLOSEST AUTO REPAIR. THE BILL CAME TO $700 PARTS AND LABOR, I ASKED WALDECKER AND THEY SAID IT WAS A FAIR PRICE. HAVING TO TAKE THE EXHAUST MANIFOLD OFF, ACCESS THROUGH THE FRONT COVER OF THE ENGINE, GEAR DRIVE OFF THE TIMING CHAIN AND THE LOCATION ABOVE THE CV JOINT IS A POOR DESIGN FOR A SERVICEABLE PART. VEHICLE DESCRIPTION, 1998 SUNFIRE CONVERTIBLE, CURRENTLY: 42,000 MILES VIN# [XXX], 2.4 LITER DOHC ENGINE. I CALLED THE PONTIAC 1-800 NUMBER AND A REPRESENTATIVE TOLD ME THE WARRANTY WAS 3 YEARS / 36,000 MILES AND THE WORK WAS NOT PERFORMED BY A PONTIAC DEALER, SO I HAD NO RECOURSE. I EXPLAIN TO NO AVAIL WHY THE WORK WAS NOT DONE AT A PONTIAC DEALER. I AM HOPING YOU WILL RECONSIDER THIS. ENCLOSED IS THE BILL. PLEASE CONTACT ME EVEN IF THIS CLAIM IS REJECTED. I EXPECT BETTER FROM THE NUMBER 1 AUTOMATE COMPANY IN THE WORLD. SINCERELY, [XXX] , [XXX] PHONE: [XXX] *NLM INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR

NHTSA ODI #10016442

Mileage unknown · Nov 20, 2002
Engine And Engine Cooling

CAR STALLS AT ANY SPEED WHILE DRIVING. DEALER SERVICED 3 TIMES AND STILL NOT FIXED. DEALER STATES THEY DON'T HAVE ANY IDEA WHAT ELSE IT COULD BE. NO ERROR CODES FROM MODULES. DT

NHTSA ODI #769916

Official recalls

3

04V036000 · Electrical System:ignition:switch

Jan 27, 2004

ON CERTAIN PASSENGER VEHICLES. IF THE ENGINE FAILS TO START AND THE DRIVER HOLDS THE KEY IN THE "START" POSITION FOR AN EXTENDED PERIOD, HIGH CURRENT FLOWS THROUGH THE IGNITION SWITCH, AND SOMETIMES PRODUCES ENOUGH HEAT TO MELT INTERNAL SWITCH PARTS.

Consequence & remedy

Consequence: IF THE SWITCH IS DAMAGED, A FIRE COULD OCCUR IN THE STEERING COLUMN, EVEN WITH THE ENGINE OFF AND THE KEY REMOVED. THE FIRE COULD SPREAD TO THE INTERIOR OF THE CAR, WHICH COULD INJURE OCCUPANTS OR CAUSE DAMAGE TO ADJOINING STRUCTURES.

Remedy: DEALERS WILL INSTALL A RELAY KIT IN THESE VEHICLES TO PREVENT HIGH CURRENT FROM FLOWING THROUGH THE IGNITION SWITCH, AND CHECK THAT YOUR CAR WILL START WITH A PROPERLY CHARGED BATTERY AND, IF NECESSARY, REPLACE THE IGNITION SWITCH. OWNER NOTIFICATION WILL BEGIN ON MARCH 1, 2004. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CHEVROLET AT 1-800-630-2438, PONTIAC AT 1-800-620-7668, BUICK AT 1-866-608-8080, OR OLDSMOBILE AT 1-800-630-6537. CUSTOMERS CAN ALSO CHECK THEIR VEHICLE ONLINE BY GOING TO WWW.MYGMLINK.COM AND ENTERING THE VEHICLE'S IDENTIFICATION NUMBER.

02V286000 · Steering:rack And Pinion

Nov 4, 2002

CERTAIN PASSENGER VEHICLES AND MINI VANS HAVE LOWER PINION BEARINGS IN THE POWER RACK AND PINION ASSEMBLY IN WHICH THE RETAINER TABS WERE NOT CRIMPED PROPERLY. THESE AND SOME OTHER RETAINERS USED IN VEHICLES ASSEMBLED BETWEEN JANUARY 1, 1996 AND OCTOBER 31, 1997, COULD FAIL AND PERMIT THE BALL BEARINGS TO ESCAPE.

Consequence & remedy

Consequence: IF THIS OCCURS, THE PINION SHAFT CAN BE FORCED UPWARD DURING LEFT TURNS AND BACK DOWN AS THE STEERING WHEEL IS MOVED BACK AND TO THE RIGHT. IF THE PINION SHAFT MOVES FURTHER, THE DRIVER WILL NEED TO EXERT MORE EFFORT TO TURN THE STEERING WHEEL, SIMILAR TO A VEHICLE WITHOUT POWER ASSISTED STEERING. IF THE PINION SHAFT MOVES EVEN FURTHER, THE DRIVER WILL REQUIRE MUCH HIGHER EFFORT TO TURN LEFT AND MAY NOT BE ABLE TO TURN THE WHEEL AS MUCH AS INTENDED. WITH THE MAXIMUM PINION SHAFT MOVEMENT, WHICH REQUIRES INTERNAL GEAR COMPONENT DAMAGE, THE DRIVER CAN ENCOUNTER HIGH RESISTANCE TO TURNING LEFT, FOLLOWED BY UNINTENDED POWER ASSIST TO THE RIGHT. IN ANY OF THESE CONDITIONS, A CRASH COULD OCCUR.

Remedy: DEALERS WILL INSTALL A NEW LOWER PINION BEARING UNLESS INSPECT OF THE EXISTING BEARING INDICATES THAT REPLACEMENT OF THE GEAR ASSEMBLY IS NECESSARY. OWNER NOTIFICATION BEGAN JANUARY 24, 2003. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CHEVROLET AT 1-800-222-1020, PONTIAC AT 1-800-762-2737, OR OLDSMOBILE AT 1-800-442-6537.

97V219000 · Wheels:lugs/nuts/bolts/studs

Nov 24, 1997

VEHICLE DESCRIPTION: PASSENGER VEHICLES. THE WHEEL LUG NUTS WERE NOT TIGHTENED SECURELY RESULTING IN A FRACTURE OF THE WHEEL STUDS.

Consequence & remedy

Consequence: THE WHEEL COULD SEPARATE FROM THE VEHICLE. IF THE VEHICLE WERE IN MOTION, A VEHICLE CRASH COULD RESULT.

Remedy: DEALERS WILL INSPECT THE TORQUE OF ALL WHEEL NUTS AND, IF NECESSARY, TIGHTEN ANY THAT MAY BE BELOW REQUIRED TORQUE.

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

0

No exact-year investigations in this snapshot.