model year,engine,mileage,.................i had my camshaft postion sensor go bad appx. 4,600 miles after a TB job,@79,000 miles,it may have just failed,its been ok since then ,at 83,000 now,it came to appx, 175.00 $parts & labor us dollars ,just wait till you start to need o2 sensors,more money for those parts on the V-6 ,it has 4 of them,ive already been through 3 diffrerent ones since 61,000 milesmy check engine came on i went t ocheck it out and auto zone say the problem is the camshaft position sensor. when the engine came on the emission workshop light came on. is the problem the camshaft or something else. helllpppppp please!!!!!!!!