trouble code...how to fix, will it effect my performance
1) You've got the 02 extensions to make it reach properly, or
2) You've got the Corvette C5 rears in there which are super long and reach properly without extensions.
If it turns out that you've got the extensions, consider visiting ws6store.com. Type "Bosch" in the search box. You will find the two products that come up are the OEM style 02 sensors, and the C5 rear sensors. Read the paragraph description on the C5 sensors...explains pretty much what I just told ya.

