Problems · by component
2003 Honda Civic engine and engine cooling problems
37 owner complaints to NHTSA about the 2003 Honda Civic cite engine and engine cooling, 7% of all 525 complaints for this model year.
Complaints
37
7% of all complaints
Crashes
3
Reported by owners
Fires
2
Reported by owners
Injuries
1
Reported by owners
What owners say about the engine and engine cooling
Verbatim from NHTSA complaints, newest first
“CAR WAS IN A FRONTAL COLLISION. THE BACKSEAT OF THE 2003 HONDA CIVIC CAUGHT FIRE UPON THE FRONT IMPACT. THE FIRE DEPARTMENT COULD NOT DETECT WHY OR HOW THE FIRE STARTED. *TR”
“TL* THE CONTACT OWNS A 2003 HONDA CIVIC. WHILE THE VEHICLE WAS BEING SERVICED AT AN AUTHORIZED DEALER, THE CONTACT WAS ADVISED BY THE MECHANIC THAT THE CATALYTIC CONVERTER WAS FRACTURED AND LEAKING EXHAUST INTO THE VEHICLE. THE VEHICLE WAS NOT REPAIRED. THE MECHANIC ADVISED HER TO DRIVE WITH THE WINDOWS DOWN TO HELP KEEP OUT THE EXHAUST FUMES. SHE THEN CALLED THE MANUFACTURER AND WAS ADVISED THAT HER VEHICLE WAS NO LONGER UNDER WARRANTY AND NO ASSISTANCE WOULD BE PROVIDED. THE FAILURE MILEAGE WAS 155,700 AND THE CURRENT MILEAGE WAS 162,000.”
“TL* THE CONTACT OWNS A 2003 HONDA CIVIC HYBRID. THE CONTACT WAS DRIVING 5 MPH WHEN THE VEHICLE BEGAN TO JERK ABNORMALLY AND STALLED WITHOUT WARNING. THE ACCELERATOR PEDAL WENT STRAIGHT TO THE FLOORBOARD WHEN DEPRESSED AND THE VEHICLE WOULD NOT ACCELERATE. THE CONTACT THEN RELEASED THE ACCELERATOR PEDAL AND THE VEHICLE PROCEEDED WITHOUT STALLING. THE DEALER WAS INFORMED OF THE FAILURE AND THEY DIAGNOSED AND REPLACED A VALVE. THE FAILURE PERSISTED AFTER THE REPAIRS. THE VEHICLE WAS NOT FURTHER REPAIRED. THE FAILURE MILEAGE WAS 52,000 AND THE CURRENT MILEAGE WAS 53,000.”
“THE AIR CONDITIONER ON MY 2003 HONDA CIVIC SI STOPPED WORKING SUDDENLY AFTER A LOUD BREAKING SOUND CAME OUT OF THE CAR. I TOOK IT TO THE HONDA DEALERSHIP AND THE DIAGNOSIS IS THAT THE COMPRESSOR EXPLODED AND CAUSED METAL SHAVING TO GO INTO THE ENTIRE AIR CONDITIONER SYSTEM. THE DEALERSHIP HAS TOLD ME THAT THE AIR CONDITIONER SYSTEM WILL NEED TO BE TOTALLY REPLACED. THE ESTIMATE FOR THE WORK IS $2600.00. *TR”
“MY AIR CONDITION JUST DIED , ITS NOT A FUSE , MIGHT BE ELECTRICAL , MY MECHANIC SAYS EVEN AFTER 7YRS IT SHOULD NOT HAVE DIED. DRIVING AROUND IN 95 DEGREE WEATHER , LOTS OF RAIN WITH NO DEFROST EITHER. WIPERS WORK, NEED HELP TO FIX THIS PROBLEM -EXPENSIVE IF ITS A SENSOR?DO NOT KNOW THE PROBLEM AT ALL. *TR”
“2003 HONDA CIVIC EX. NO HEAT IN WINTER. OVERHEATS IN SUMMER. COOLANT OVERFLOWS THROUGH RESERVOIR. SEVERAL OTHERS WITH THIS SAME PROBLEM. ITS NOT THE WATER PUMP, RADIATOR, THERMOSTAT, OR LINES. HONDA MUST FIX THIS PROBLEM. *TR”
Showing 6 of 37 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 6, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.