I have a question I have a 2004 Cadillac cts on 2004 Cadillac CTS

The engine is knocking really loud can you tell me some signs of a blown motor

1 answer 1 comment
knocking,, loss of power,, high oil consumption , overheating (due to friction)

do you have any warning lights on?>
KNOCKING OR POPPING NOISE,AND ARE IS THE CK ENG LITE ON