One problem related to gasoline storage has been reported for the 2000 Mitsubishi Diamante. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 Mitsubishi Diamante based on all problems reported for the 2000 Diamante.
A boom noise has been coming from fuel pump. Vehicle has been in 7 times with no remedy found. Dealer said gas cap was expanding and collapsing. On 3-16-01 gas cap/ fuel pump and fuel gauge were replaced. On 3-16-01 valve and fuel tank assembly were replaced; on 3-23-01, dealer replaced fuel system cleaner kit, and fuel gauge assembly again, and 3-28-2001 gas cap and pressure relaease valve were replaced.
| Tank Assembly problems | |
| Gasoline Storage problems | |
| Tank Filler Pipe And Cap problems | |
| Fuel Injection problems | |
| Fuel Pump problems |