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jamesqf · 10-04-2008, 03:57 PM

Might just depend on where your IAT sensor is located. Maybe the car has a thermostatic valve to pick up some warmer air off the exhaust manifold? If so, and the sensor is downstream of that, you could be seeing the valve cycling.

10-04-2008, 03:57 PM	#9 (permalink)
jamesqf Master EcoModder Join Date: Jun 2008 Location: Earth Posts: 5,209 Thanks: 225 Thanked 811 Times in 594 Posts	Might just depend on where your IAT sensor is located. Maybe the car has a thermostatic valve to pick up some warmer air off the exhaust manifold? If so, and the sensor is downstream of that, you could be seeing the valve cycling.