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I'm going through the details of my AEM Infinity 5 ECU on a Porsche aircooled 3.2 hotrod build.
The air intake temp sensor set points are:
Max = 258dF
Min = -56dF
The fail safe is checked on and the set point is 77dF
Is the 77dF set point a little low?? The engine dies unexpectedly at random times.
I'm trying to understand the details of the controls within the ECU. I'm sure I will have additional questions as I crawl through the various set points.
Yes, 77 degF is too low. I was working with an aircooled 3.6L engine recently (tuning to pass emissions), and found that the air temp in the intake manifold was 65 deg C (149 degF) having been driven in off the road, and left idling. It was failing emissions because I was targeting a richer mixture starting at 60 degC.
