XJR (X308) V8-4.0L SC (AJ26) (1998)
4. Tighten the nuts securing the downpipe flange to the manifold flange.
5. Connect the oxygen sensor multiplugs.
Connect the plug(s) to the respective (previously noted) sensor(s).
Correctly position the multiplugs on the mounting bracket.
6. Raise the vehicle on the ramp.
7. Tighten the mounting bracket securing bolts.