Problems · by component
2003 Nissan Altima engine problems
117 owner complaints to NHTSA about the 2003 Nissan Altima cite engine, 13% of all 883 complaints for this model year.
Complaints
117
13% of all complaints
Crashes
1
Reported by owners
Fires
1
Reported by owners
Injuries
0
Reported by owners
What owners say about the engine
Verbatim from NHTSA complaints, newest first
“The contact owns a 2003 Nissan Altima. The contact stated that while her son was driving approximately 45 MPH, the vehicle suddenly stalled and lost motive power. The vehicle had to be pushed to the side of the road and jump-started. There were no warning lights illuminated. The vehicle was taken to a certified mechanic who replaced the CAM Sensor. The contact stated a day later the vehicle stalled and shut-off. The vehicle was not repaired. The manufacturer was made aware of the failure and referred the contact to the dealer. The approximate failure mileage was 187,000.”
“I NOTE SOME NISSAN ALTIMAS HAVR RECALLS ON CAMSENSOR AND SPEEDSENSONSOR. THIS VEHICLE HAS SAME PROBLEMS. VEHICLE SHUTS OFF ON THE ROAD CAM SENSOR WAS CHANGED BUT WAS GOOD FOR A COUPLE YEARS DOES THE SAME MECHANIC SAYS FAULTY PLASTIC CLIP. ALSO VEHICLE GETS STUCK IN LOW GEAR WHILE DRIVING AND THE CAR WILL HAVE TO BE PULLED IVER RESTARTED TO GET IT TO RESET OTHERWISE CAR WILL RUN IN LOW GEAR AT HIGH RPMS.. I NOTICED RECALLS ON THE NISSAN ALTIMA FOR FOR THESE SENSORS. HOWEVER NOT THIS MODEL ACCORDING TO THE DEALER.”
“TL* THE CONTACT OWNS A 2003 NISSAN ALTIMA. THE CONTACT STATED THAT WHILE DRIVE AT VARIOUS SPEEDS, THE VEHICLE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE CONTACT STATED THAT THERE WAS AN ABNORMAL ODOR COMING FROM THE EXHAUST. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC TO BE DIAGNOSED. THE MECHANIC DETERMINED THAT THE REAR AND FRONT CATALYTIC CONVERTERS AND THE OXYGEN (O2) SENSORS NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED HOWEVER, THE FAILURE RECURRED. THE VEHICLE THEN WAS TAKEN TO BOSAK NISSAN (220 VERPLANK RD, BURNS HARBOR, IN 46304 (219) 787-1777) TO BE INSPECTED. THE CONTACT WAS INFORMED THAT THE VIN WAS NOT SUBJECTED TO A RECALL. THE CONTACT REFERENCED NHTSA CAMPAIGN NUMBER: 03V084000 (ENGINE AND ENGINE COOLING) AS A POSSIBLE SOLUTION TO THE FAILURE HOWEVER, THE VIN WAS NOT INCLUDED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 150,000.”
“I BOUGHT THIS CAR LAST YEAR MAY 2019 AND WITHIN A MONTH THE ENGINE BLEW. I REPLACED THE ENGINE AND NOW IT HAS ISSUES WITH THE CATALYTIC CONVERTER. IT SAYS IT NEEDS TO BE REPLACED.”
“TL* THE CONTACT OWNS A 2003 NISSAN ALTIMA. THE CONTACT STATED THAT WHILE DRIVING AT 55 MPH, THE VEHICLE STALLED WITH THE SERVICE ENGINE WARNING LIGHT ILLUMINATED. THE CONTACT VEERED TO THE SHOULDER OF THE ROADWAY, WAITED FOR ABOUT 10 MINUTES DUE TO THE STEERING WHEEL BEING DIFFICULT TO MANEUVER. THE VEHICLE RESUMED NORMAL OPERATION AFTER 10 MINUTES. THE VEHICLE WAS TAKEN TO PALMETTO 57 NISSAN (16725 NW 57TH AVE, MIAMI GARDENS, FL 33055) BUT WAS NOT DIAGNOSED NOR REPAIRED. THE FAILURE RECURRED INTERMITTENTLY. THE CONTACT REFERENCED NHTSA CAMPAIGN NUMBER: 03V455000 (ENGINE AND ENGINE COOLING) AS A POSSIBLE SOLUTION TO THE FAILURE HOWEVER, THE VIN WAS NOT INCLUDED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 110,000.”
“TL* THE CONTACT OWNS A 2003 NISSAN ALTIMA. THE CONTACT STATED THAT THE VEHICLE FAILED TO START. THE CHECK ENGINE WARNING LIGHT WAS ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO STATED THE ECM (ENGINE CONTROL MODULE) NEEDED TO BE REPLACED. THE VEHICLE WAS TOWED TO (ROYAL NISSAN OF CORTLAND 3901 WEST RD, CORTLAND, NY 13045(607) 753-9774) WHERE IT WAS DIAGNOSED THAT THE SPARK PLUGS WERE FOULED AND ALSO THAT THE HEAD GASKET NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT CONTACTED. THE FAILURE MILEAGE WAS 147,000.”
Showing 6 of 117 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 10, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.