i have p0410 on buick regal 3800 supercharged.

Question

i hear loud air suck/blow noise directly near the back of air filter housing.the housing has a 3 inch whole manufactured in rear of the black boxed housing. should u hear unusually loud suction noise coming from the 3 inch in diameter whole. Plus ,theirs no noise/vibrations coming from air injection pump on that side of the car.

Answer 1

P0410 Secondary air injection system malfunction

The secondary air injection hose came off. the simple repair look for the connection and reconnect