Diagram of the engine control system with mass air flow sensor HFM-4.7 0280218037 “BOSCH”

ZMZ-405 engine control system diagrams may differ depending on which mass air flow sensor is installed

Three types of sensors can be installed on a vehicle:

This article discusses the diagram of an engine control system with a mass air flow sensor of the type - mass air flow sensor HFM-4.7 0 280 218 037 f. "BOSCH" (Germany)


During operation, it may be necessary to adjust the full opening of the carburetor throttle valve and the position of the pedal

- Cause of malfunction Elimination method The clutch does not disengage completely (the clutch “drives”):