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stevestrat · 5th August 2021, 10:44

The IACV is controlled by an electric motor (stepper motor) which adjusts the idle depending on the load on the engine, lights, aircon etc. The idle speed and datum point for the IACV has to be set using a T4 (maybe TOAF

).

5th August 2021, 10:44	#2
stevestrat This is my second home ZT260 #243 (resting) Join Date: May 2010 Location: Prestonpans Posts: 22,488 Thanks: 650 Thanked 4,624 Times in 3,358 Posts	The IACV is controlled by an electric motor (stepper motor) which adjusts the idle depending on the load on the engine, lights, aircon etc. The idle speed and datum point for the IACV has to be set using a T4 (maybe TOAF ). __________________ Steve T4 Location Map