Adjust the engine idle speed periodically on the engine at normal operating temperature.
To adjust the idle speed:

Engine oil and filter change
Throtile cable playSpecial tools and equipment
Recommended service material
Note
required service material is also described in the following.
“Fuel pump components”
Special tool
...
Fuel pump inspection
Turn the ignition switch on and check that the fuel pump
operates for a few seconds.
If the fuel pump motor does not make operating sound, inspect the fuel pump
circuit connections or inspect the fuel pump relay and to sensor. Refer to “fuel
pump relay inspection” and “dtc “c23” (p1651 ...
Cylinder head cover disassembly and
assembly
Disassembly
Remove the cylinder head cover. Refer to “engine top side disassembly” .
Remove the gaskets (1) and (2).
Remove the pair control solenoid valve (3) along
with the pair reed valve covers (4).
Remove the pair reed valves (5) and cmp sensor
(6).
As ...