isuzu Workshop Repair Guides

Isuzu Workshop Service and Repair Manuals

Throttle Cable/Linkage > < Throttle Body|Locations
Page 1
background image

Throttle Body: Description and Operation

Throttle Body Cross-Section

PURPOSE

Provides a means to controlling air flow into the engine, therby controlling engine operation.

LOCATION

On the intake collecor.

CONSTRUCTION

The throttle body consists of the main bore, air bypass passage, vacuum passage for vacuum operated components and the following parts.
-

Throttle valve which is interlocked with the accelerator pedal and controls the amount of the intake air

-

TPS which detects the throttle valve opening and sends a signal to ECM

-

Idle air control valve which controls the amount of air bypassing the throttle valve during idle.

Throttle Cable/Linkage > < Throttle Body|Locations