I had an intermittent cat below efficiency code for bank one. The passenger side. But mostly the loud whistle noise because i knew that it was not right

 

I would like to travel back to the original point of the forum. The bad noise my engine makes when starting. I have uploaded a video to YouTube because I know some of you cannot watch it. This is from about 3 weeks ago. Cold startup 10am after sitting 13 hours.

 

sounds to me like a couple of cylinders were flooded .... possibly even on the verge of hydrolocking .....

 

what?! How would that even happen? Flooded with oil?

 

Was there any colored smoke coming from tailpipes

 

During startup not sure but like anything over 4500 to 5000 rpm during driving it has blue smoke.