Dunno if this is exactly what you need to read, but its opti info for thought
http://shbox.com/1/4th_gen_tech2.html#opti_test
If you do decide to replace the opti, I can easily tell you all the steps and things to remove to get to it
__________________
2001 Trans Am WS6 •SLP Loudmouth II •UMI Suspension •12.857 @ 109.57
1996 Trans Am WS6 •Pacesetter Longtubes •Strange 12 Bolt •Spohn Suspension •11.152 @ 123.85
|