Failure of EHA valve may cause fuel/engine problems on Mercedes-Benz 300E 4MATIC

Problem Description and Possible Solution
Fuel leaks, erratic or rough engine operation, and fuel economy issues can be caused by the failure of a fuel system component called the EHA (electro-hydraulic actuator) valve.
Problem Data
RepairPal Verified
Average mileage: (–)
4 model years affected: 1990, 1991, 1992, 1993
4 people reported this problem