Problems · NHTSA complaints

2003 Pontiac Sunfire problems

Owners filed 85 complaints about the 2003 Pontiac Sunfire with NHTSA between Apr 2002 and Sep 2014. The most-cited component is exterior lighting (25).

Complaints
85
Filed with NHTSA
Crashes
5
Reported by owners
Fires
2
Reported by owners
Injuries
5
People reported injured
Deaths
0
Reported to NHTSA
01 —By component

Complaints by component

One complaint can cite several components
  1. Exterior lighting25
  2. Electrical system24
  3. Engine and engine cooling12
  4. Service brakes, hydraulic7
  5. Air bags6
  6. Structure6
  7. Fuel system, gasoline6
  8. Equipment5
  9. Steering4
  10. Power train4
  11. Visibility4
  12. Fuel system, other3
  13. Engine2
  14. Seat belts2

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.

Data from NHTSA Complaints API · synced Nov 11, 2026NHTSA vehicle page
02 —Trend

When complaints were filed

Does it get worse with age? Complaints per calendar year filed
View as table
Model yearComplaints filed per calendar year
20021
20038
200420
200513
20063
200712
200810
20097
20104
20110
20120
20132
20145

Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.

03 —Owner reports

Top problems in owners’ words

Verbatim from NHTSA complaints, newest first

Exterior lighting

25 reports1 related recall
“FAILURE TO THE HEADLIGHT HARNESS, WITH TIME, CORROSION ATTACK THE HEADLIGHT HARNESS. WHICH WILL CAUSE THE HEADLIGHT INTENSITY TO LOWER OR WORST, TOTAL HEADLIGHT FAILURE. THAT MEAN THAT YOU CAN BE DRIVING AT NIGHT AND TOTALLY LOSE YOUR HEADLIGHT. THIS DEFECT HAS BEEN REPAIRED 4 TIMES NOW, AND I NEED TO HAVE IT REPAIRED A 5TH TIME APRIL 2004. *TR”
Owner complaint to NHTSAFiled Mar 10, 2010Electrical system, Exterior lightingODI 10318397

Electrical system

24 reports2 fires
“EVERY TIME I LET MY CAR SIT FOR 2 HOURS OR MORE, I START IT UP AND THE BELT ON THE TENSIONER SQUEAK FOR 15 SECONDS. ALSO THE BATTERY LIGHT COMES ON AND THE RIM FLUCTUATE BETWEEN 1,000 AND 2,000. WHEN I DRIVE IT THE BATTERY LIGHT WILL CONTINUE TO STAY ON BUT EVERY TIME THE AIR BAG LIGHT TURNS ON AND I'M ACCELERATING THE ENGINE WILL NOT SHIFT, THE RPMS WILL REV UP TO RED LINE IF PUSHED THAT FAR, EVENTUALLY THE LIGHT FOR AIRBAG AND BATTERY WILL SHUT OFF AND IT WILL SHIFT. SOMETIMES WHEN I HIT THE GAS PEDAL WHILE THIS IS DOING THIS AT NIGHT, MY DASHBOARD AS WELL AS RADIO LIGHTS WILL SHUT OFF UNTIL RPMS GO DOWN TO 2,000. *TR”
Owner complaint to NHTSAFiled Sep 3, 2014Electrical system, Air bags, EngineODI 10630444

Engine and engine cooling

12 reports
“I PURCHASED THE CAR IN 2006 WITH EVERYTHING ON IT STOCK. IN 2009 THE COIL PACK STARTED MISFIRING CAUSING THE CATALYTIC CONVERTER TO GO BAD AND ALSO CAUSING THE RODS BEARINGS TO SPIN. *TR”
Owner complaint to NHTSAFiled Dec 8, 2009Engine and engine coolingODI 10295015

Service brakes, hydraulic

7 reports1 crash
“DT: THE CONTACT STATED THAT WHILE DRIVING THE BRAKES GRABBED AND LET GO, LIKE A PULSATION. TOOK THE VEHICLE TO THE DEALER THREE TIMES FOR THIS PROBLEM. THE FIRST TIME THE VEHICLE WAS AT THE DEALER THEY TURNED THE ROTORS. THE SECOND TIME THE DEALER CLEANED THE ROTORS. THE THIRD TIME THEY TURNED THE ROTORS FOR THE SECOND TIME. THE BRAKES WORKED, BUT THE CONTACT WAS CONCERNED ABOUT THE MULTIPLICITY OF TIMES THAT THE ROTORS WERE SERVICED. TWO DIFFERENT DEALERS TOLD THE CONTACT THEY HAVE SEEN THIS PROBLEM A LOT. MANUFACTURER SAID THEY WILL NOT FIX IT UNDER THE WARRANTY AND OFFERED NO HELP AT THEIR EXPENSE. *AK UPDATED 11/15/2005. *NM”
Owner complaint to NHTSAFiled Oct 20, 2005Service brakes, hydraulicODI 10140361

Air bags

6 reports3 crashes
“I WAS DRIVING ON THE HIGHWAY AROUND 5:00PM, PERFECT ROAD CONDITIONS. I STARTED CHOKING & SWERVED INTO ANOTHER LANE, OTHER DRIVER BLASTED HIS HORN & SCARED ME. I OVER COMPENSATED & LOST CONTROL OF MY CAR & ENDED UP HITTING THE MEDIAN. MY AIRBAGS DEPLOYED, THE PASSENGER SIDE WAS FINE, BUT THE DRIVERS SIDE DIDN'T DEPLOY CORRECTLY. THE AIR BAG CAME OUT OF THE SIDE & NOT DIRECTLY IN FRONT OF ME. THE AIRBAG BLEW MY REAR VIEW MIRROR OFF OF THE WIND SHIELD & ENDED UP BREAKING MY RIGHT HAND IN MULTIPLE PLACES. MY SEAT BELT ALSO CAME UNDONE. I AM ONLY 5 FEET TALL & IF THE AIRBAG HAD GONE OFF LIKE IT SHOULD'VE, I KNOW I WOULD HAVE HAD NUMEROUS INJURIES TO MY FACE & CHEST. THE REASON I AM MAKING A COMPLAINT IS DUE TO THE FACT THAT HAD I HIT THIS WALL HEAD ON, I MOST LIKELY WOULD'VE BEEN KILLED. AT THIS TIME I DO NOT KNOW THE VIN OR CORRECT MILES, MY CAR AS TOTALED & IT'S STILL WITH THE TOW COMPANY. I BELIEVE THIS, ALONG WITH THE SEAT BELT UNLOCKING ON IT'S OWN AFTER A SERIOUS ACCIDENT, TO BE TREMENDOUSLY DANGEROUS. *TR”
Owner complaint to NHTSAFiled Jun 16, 2013Air bags, Seat beltsCrash reportedODI 10519995

Structure

6 reports
“THE 2003 PONTIAC SUNFIRE IS AN INFERIOR CAR. MINE CURRENTLY HAS APPROX 57,000 MILES ON THE ODOMETER. THE DAY AFTER I PURCHASED IT BRAND NEW, IT WOULD NOT START. THE DEALER CAME OUT AND REPLACED THE BATTERY. THE CAR HAD WHITE PAINT OVERSPRAY ON IT. THE DEALER REPAINTED IT. THE SUNROOF MALFUNCTIONED AND THE DEALER FIXED IT. THE TURN SIGNALS KEPT GOING OUT & IT WAS FIXED DUE TO THE RECALL. THE DASH HAD TO BE TAKEN OUT DUE TO THE FACT THAT THE AIR WAS NOT COMING OUT OF THE VENTS PROPERLY. THE POWER WINDOW DRIVER'S SIDE FAILED COMPLETELY AROUND 38,000 MILES & PASSENGER INTERMITTENTLY WOULD NOT WORK. THIS WAS FIXED AT MY EXPENSE. THE CAR HAS BEEN IN THE SHOP FOR BRAKE PROBLEMS NUMEROUS TIMES. I HAD THE DEALER CHECK THEM SEVERAL TIMES WHILE STILL UNDER WARRANTY AND THEY FINALLY REPLACED THEM AT THEIR COST BECAUSE THEY SAID IT SHOULD NOT BE NECESSARY GIVEN THE MILEAGE ON THE CAR. I'VE HAD BRAKES REPLACED TWO OTHER TIMES AT MY EXPENSE AND THEY ARE STILL SQUEAKING AND CREAKING VERY LOUDLY AND I'M TOLD THE BRAKE PADS ARE "CRACKED" BUT THAT IT WON'T HURT ANYTHING. NOW, THE NEW PROBLEM IS, THE RADIO QUIT PLAYING FOR 15 MINUTES AFTER THE CAR IS TURNED OFF AND YOU'RE IN IT.…”
Owner complaint to NHTSAFiled Sep 5, 2008Electrical system, StructureODI 10241013
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 11, 2026

Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.