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 playSpecifications
Service data
Fi sensors
Tightening torque specifications
Reference: for the tightening torque of fastener not specified in this
section, refer to “tightening torque list” in section 0c . ...
General description
Engine coolant description
Caution
use a high quality ethylene glycol base
anti-freeze, mixed with distilled water. Do
not mix an alcohol base anti-freeze and
different brands of anti-freeze.
Do not put in more than 60% anti-freeze or
less than 50%. (Refer ...
DTC “c41” (p0230-h/l): fp relay circuit
malfunction
Detected condition and possible cause
Detected condition
Possible cause
C41
No voltage is applied to fuel pump.
Fuel pump relay circuit open or short.
Fuel pump relay malfunction.
Fuel pump relay switch circuit is shorted to power
source.
...