Cadillac CTS Engine Runs Rough

When In Idle Is Very Rough, Started Smoking Black.

My Problem Is When I Go Crank My Car Then Start Going,then Turn The A/c Unit On The Car Just Runs Bad. When I Go To Mash Gas, It Spark...

When I First Start Up My 2006 Cadillac Cts, The Vehicle Runs Rough And I Hear A Rattling Sound. After A While I Drive The Car And It Seems...

Yes Hi I Just Have A Quick Question That I Hope That You Can Help Me Out With. My Car Has Been Running Rough At Idle Usually Worse After...

I Have A 2004 Cadillac Cts I Replaced The Engine And The Cars Runs And Drives But Runs Rough And There Is No Power And Oil Light Is On And...

Vehicle Has A Small Idle Rough At Idle Slight ,sputter, Has Check Engine Light On First It Said #6 Misfire Then Scan Tool Detected 2,4,6...

2003 Cadillac Cts When I Crank My Car, It Will Not Stay Crank, And When It Crank Up It Runs Rough, So What's My Problem With It?