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Cylinder Fuel Cut Test using TECHSTREAM (TIS) Software

Control the Select Cylinder Fuel Cut

Figure 1.1 - Control the Select Cylinder Fuel Cut


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STARTS Your Car...
Figure 1.2 - Engine and ECT 

#Control the Select Cylinder Fuel Cut
  • Click "Active Test" on the left-side menu, and "Active Test Selection" displayed as Figure 1.3 below. Choose "Control the Select Cylinder Fuel Cut", then click "OK", it will displayed as Figure 1.1 above.
Figure 1.3 - Control the Select Cylinder Fuel Cut
  • Change monitoring "Data List" to "Flexible Fuel Vehicle" display. Read More:  Monitoring Parameter Data List on Your Car (Real Time) using TECHSTREAM (TIS Software).
  • Click directly to "#1" for choose the Cylinder #1. Click on ">" to activate (ON) the Cylinder Fuel Cut #1, and click on "<" to deactivate (OFF). And so on, next click on the Cylinder #2, #3, and #4. Please check on your Car, any changed? should be YES.. (rough idling).
Figure 1.4 - Cylinder #1
Figure 1.5 - Cylinder #2
Figure 1.6 - Cylinder #3
Figure 1.7 - Cylinder #4
-This active test controls Fuel Cut to Select Cylinder and stops the ignition inside it.
-This test causes a rough idle or the Engine to stall.
-Operate with Ignition (IG) ON, Engine ON, and Shift Selector in P (AT) or Neutral (MT).

#When performing the "Cylinder Fuel Cut" on each Cylinder, please check the Parameter Data List below;
  • Fuel Cut Condition (ON/ OFF), this is command: ON/ OFF when you click on "<" or ">", while on "Cylinder Fuel Cut" process.
  • Injector (Port), Value: 2.56 ms (before: Cylinder Fuel Cut), and when you're performing the "Cylinder Fuel Cut" on each Cylinder, that value will increase automatically from 2.81-2.94 ms. It can be said that your Fuel Injector still on "GOOD" condition. Your Fuel Injector is "NOT GOOD" when you're performing the Cylinder Fuel Cut, that value is stable (not changing) or even lower (example: on Cylinder #1 above).
  • Injection Volum (Cylinder1), Value: 0.071 ml (before: Cylinder Fuel Cut), when you're performing the "Cylinder Fuel Cut" on each Cylinder, that value will increase automatically from 0.078-0.086 ml.
  • Calculate Load, Value: 31.7% (before: Cylinder Fuel Cut), when you're performing the "Cylinder Fuel Cut" on each Cylinder, that value also will increase automatically from 34.5-37.6%. This called also the "Engine Load Factor". So do the Vehicle Load, from 18.4% will increase to 21.1-23.1%. Please monitoring other Parameter Data List, when needed.

#Control the All Cylinders Fuel Cut
  • Close the "Control the Select Cylinder Fuel Cut" and return to "Active Test" menu. Choose the "Control the All Cylinders Fuel Cut", then click "OK".
Figure 2.1 - Active Test Selection
  • Click on "<" to activate (ON) All Cylinders Fuel Cut, and click on ">" to deactivate (OFF). When status "ON", please check your Car, should be shutdown suddenly or Engine to stall.
Figure 2.2 - Control the All Cylinders Fuel Cut (OFF)
Figure 2.3 - Control the All Cylinders Fuel Cut (ON)


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