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Injector and IAC valves tester


Code : HRR1
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Injector and IAC valves tester


The car engine of injection between years 1990 and 2008 have a valve to control the idle speed. This valve is called IAC (Idle Air Control) or commonly called stepper motor.
This valve is a common fail cause.

The car engine of indirect injection have coil based injectors, they split in two big groups: High and Low impedance.
This device can test the steppers like Magnetti Marelli, GM steppers, PWM IACs of single coils and up to 1 high impedance Injector.

Manufactured for hard work, with a high endurance.
Is a elemental tool for any modern mechanic and avanced users.


Injector testing

When you want test injectors you must know that HRR2 have 2 test types ( Continued and Timed ).
In both test is possible test up to 1 injector at same time.



Continous test
1) Press the MODE button until INY led turn on
2) Plug the injector,
3) Every time that you push the left button will change the injector openning time in the following sequence:

image

The injector will remain working permanently or until with left button you reach the STOP position, or press Right button, or press center button or disconnect the device.

This test is usually used for cleaning of injectors.

Timed Testing
1) Press the MODE button until INY led turn on
2) Plug the injector,
3) When press the right button will start a 4mS test for 1 minute.
This allow control that the all injectors have the same flow level.


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HRR2
Injector and IAC tester