To check and remove the idle speed controller (IAC), you need to remove the throttle assembly completely (see "Removing the throttle assembly") or partially

You will need: micrometer, caliper, ruler

Pre-soak the soot with kerosene. Mechanical cleaning of soot is possible

The piston of the 1st cylinder is set to the TDC (top dead center) position of the compression stroke so that when carrying out work related to the removal of the camshaft drive belt, the valve timing is not disturbed.

Dismantling a pair of injection gears, as well as the housing and cover of the oil pump is not allowed