Sometimes the fuel injectors can heat up and cause misfires, that will throw out an error code. Not sure if that's what's goin on here, but you mentioned the temperature...
'01 XJ Sport, 4.0 with NV3550, 4x4, Up Country. Added: electric fan conversion, overhead console, and TUPY head (@%&$^#!).
'87 MJ shortbed, no rust! - Restoring using best parts from '87, '89, '96, '01 MJ's/XJ's. Black with chrome, Up Country, D44, NV3550, fog lights, roll bar.
Last edited by SB6114; 11-19-2008 at 06:28 PM.