Sidekick JS 2D 2WD L4-1.6L (1998)
Throttle Body: Description and Operation
The throttle body consists of the main bore, air bypass passage, vacuum passage (for EGR system) and the following parts.
-
Throttle valve which is interlocked with the accelerator pedal and controls the amount of the intake air.
-
Idle air adjusting screw which controls the amount of bypass air to adjust idle air control duty (engine idle speed).
-
TP sensor which detects the throttle valve opening and sends a signal to ECM.
-
Fast idle air valve which supplies the bypass air when engine is cold.
