3 ms·
That is the evap leak testing pump. It pressurizes the tank briefly to test the effectiveness of the cap.
by rootusrootus 3y ago
That is the evap leak testing pump. It pressurizes the tank briefly to test the effectiveness of the cap.
- twisteriffic 3y agoThis confused the hell out of me the first time I heard it. Taking the garbage out in the middle of the night and hear whirring coming from under a vehicle that hasn't moved in hours.