One problem related to tank assembly has been reported for the 1999 Ford E-350. The most recently reported issues are listed below.
Fuel tank developed cracks at bottom and causing fuel leakages. Dealer notified, and done repairs at 30% off. The company operates fleet of 52 vehicles. Eleven of these vehicles developed fuel tank cracs at low mileage.
| Gasoline Fuel System problems | |
| Tank Filler Pipe And Cap problems | |
| Tank Assembly problems |