The hydraulic unit structurally consists of an electronic control unit (ECU) and a hydraulic modulator containing electromagnetic valves (EMC), a return pump and a return pump electric motor (EVN)

The main dimensions of the cylinder block are given in Figure 1.

Cylinder block cast from special low-alloy cast iron

The throttle assembly with an electric drive of the multiport fuel injection system is mounted on the receiver

Thermostat failure is due to a stuck thermal valve

Thermal valve can jam as if in the open position, while the engine will warm up for a long time

The presence of a malfunction is signaled by the on-board diagnostic system by turning on the indicator

Chevrolet Niva cars with an electronically controlled throttle valve use a fuel supply system with a drainless fuel rail