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 playStv actuator removal and installation
Refer to “throttle body disassembly and assembly” in section 1d .
Caution
never remove the stva from the throttle
body.
Isc valve inspection
Refer to “dtc “c40” (p0505 / p0506 / p0507): isc valve circuit malfunction”
in section 1a .
Isc valve removal and installation
Refer t ...
Exhaust emission control system
description
The exhaust emission control system is composed of the pair system, exhaust
control system, ho2 sensor, threeway
catalyst system and isc system. The fresh air is drawn into the exhaust ports
through the pair control solenoid
valve and pair reed valves. The pair control solenoid valve is operat ...
Rod guide case tightening torque
Tighten the rod guide case in the following procedures:
measure the effective length l of the torque wrench.
Calculate the reading torque on the torque wrench by
use of the formula shown below.
Special tool
(a): 09940–84710 (rod guide case
wrench)
T: reading torque on the torq ...