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

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: 170,300 (87,000–260,000)
4 model years affected: 1990, 1991, 1992, 1993
16 people reported this problem
Viewing 1 - 7 of 7 comments
Erratic reeving stalling on the low rpm, rpm jumps up and down really rough heavy vibration when maintaining cruising speeds. Horrible fuel mileage.
Burning excessive fuel when mashing on gas want pickup speed right away
Then blow out smoke pickup speed runs like its clogged up