well hi guys. recently i change the sparkplugs of my cadillac cts 2004. after i put everything back to place i notice that my engine started to shake .. so now i dont know what did i do wrong. i mean i follow the steps. i remove each one in order as i put them back aswell.. do you know what might be the issue.. i need help!!
Jan 7, 2010 at 7:26 PM