 Always open the valve plate using throttle wire.
 Do not put tools or other items inside the throttle
body to maintain the opening of valve plate. This
may result in deformation of valve plate or
scratching of inner wall of throttle
damage may cause the valve plate to be too easily
Notes for Use of Throttle
Please: be caureful to install the connectors of all throttle
body
Avoid the damage to the terminal
Please: avoid any liquid from entering throttle body
Make sure it works properly
Please: take one throttle body from the part tray and
install it
Avoid damage to key components
Please: return the dropped, damaged or suspected parts
and label them to describe the existing problems (only for
three packs of components)
Quickly identify the cause of problem
Do not: use any dropped or squeezed parts
May cause damage to the internal of parts
Do not: store or transport it near salt water in unprotected
conditions
Corrosion may affect normal use
Do not: expose it to the environment before the
completion of assembly (such as humid environment)
Corrosion may affect normal use
Do not: test it using non-system operating voltage
Do not: remove the packaging so that the parts can touch
each other
May affect minimum air leakage or cause other
damage
Do not: release the throttle completely from any position
Do not: block bypass with dust or small particles
This may affect idle speed stability
Do not: pick up, store or hold parts in a manner that might
come into contact with other parts.
May cause damage
Idle speed stepper motor
Working Principle of Idle speed stepper motor
The function of idle speed control valve is to control the flow area of
bypass air passage of throttle body, so as to adjust the air volume of engine
and control the idle speed of engine.
Appearance of Idle speed stepper motor
1. Valve plate; 2. Intake manifold; 4. Idle
speed stepper motor; 5. By
-pass port
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