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Occasional hooting sound.
So I've had this exact noise. I laughed when I read the description. We call it the "hootie-hoot" noise. 2-3 descending tones. Always on decel from light throttle. Never with enough boost to activate the BOV. I tried replacing the BOV, no change. It's the oring in the intercooler piping.- want2race441
- Post #16
- Forum: 3rd Gen Ford Expedition General Discussion
