
To check and remove the idle air control (IAC), you need to remove the throttle assembly completely (see “Removing the throttle assembly”) or partially

Remove the engine screen. Disconnect the engine management system wiring harness connectors from the throttle position sensor and idle air control (see “Replacing the idle air control”)

Removing and checking the thermostat
When checking the thermostat on a car after starting a cold engine, the lower hose leading from the radiator should remain cold for some time

The VAZ-21114 engine uses a distributed phased injection system: fuel is supplied by nozzles to each cylinder in turn in accordance with the order of operation of the engine cylinders