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Discussion Starter #1
New problem with the bug. The car turns on the secondary air pump when the car is all warmed up in 80 degree weather, after 20 minutesat 80 mph. Confused on this one since the pump runs its course when cold and turns on again when hot ( not overheating). Yes, its the pump and not the cooling fans.

What sensor operates this? The IAT (G42) sensor was replaced a couple thousand miles ago.

At a dead end on this one.

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thats perfectly normal dude. It turns on at strategic points for emission purposes, not just on cold start. They will often turn on at idle once you've come to a stop at a light or whatever.
 
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