Pop and smoke from right side vent

[far972]

When I started my car this afternoon I heard a fairly loud pop and white smoke poured out of the passenger side vent/intake for about 20 seconds. After the smoke was gone I tried to start it again, and it fired up and is driving normaly. However I am worried that the head gasket may have gone, or worse a cylinder problem.

Has anyone had this happen before, or do they have any idea what that problem may be?

FYI the engine temp is normal and it "seems" to be driving as normal.

TIA,

~Mike

[nick49]

That's called a backfire. They happen occasionally on most all cars, and on earlier 911s it resulted in blown up or damaged air filter housings so a fix was to put several filtered holes or a pop-off door or valve to let the explosion neutralize without damage to the air box. Most likely harmless in your situation.

[far972]

I hope and pray that is all it was ;-)

The only question I have about that is that the backfire came from the passenger side vent, the airbox is on the drivers side, where the actual intake is.