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1.

Check the throttle body for cracks.

2.

Check for restriction in the vacuum port or passage.

3.

Check for interference when moving the accelerator cable.

caution

●

Throttle valve set screw was adjusted in the production line with the air volume (0.516 ± 5% g/sec) during idling. So please DO NOT ADJUST IT voluntarily.

●

When the idle rpm is out of specification, check the relevant sensors and their input or output value first.

●

The throttle body does not need to be cleaned because carbon in throttle body does not aftect the system's operation at all.