Three problems related to engine and engine cooling have been reported for the 2003 Nissan Pathfinder. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Nissan Pathfinder based on all problems reported for the 2003 Pathfinder.
Buying a used vehicle checking on issues.
2003 Nissan Pathfinder gas gauge is inaccurate to level indicated. On empty indicates full tank. Once filled it will remain accurate until 1/2 empty then begins to change levels each time vehicle is started. At times it reads full, other times 1/2 full and then jumping to full. Mechanic replaced fuel sender unit with Nissan parts from dealership. Problem remains. Presenting a po462 code both before and after replacing of float and sender unit.
Emissions code for a loose gas cap continually went off. Took it to a different dealer after seeing selling dealer 3 times there is a cracked vent control valve causing a vapor leak.
| Engine Exhaust System problems | |
| Catalytic Convertor problems | |
| Manifold/header/muffler/tail Pipe problems | |
| Engine And Engine Cooling problems | |
| Radiator problems | |
| Engine Stall problems |