One problem related to engine cooling system has been reported for the 2003 Nissan Frontier. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Nissan Frontier based on all problems reported for the 2003 Frontier.
A/c failed for unknown reason, was a warranty recall for same issue in first 3 years of ownership.
| Car Stall problems | |
| Engine Cooling System problems | |
| Emission Control problems | |
| Radiator Hose problems |