Your LR Disco 96 is "OBDII" compliant, and all troubles are store in the "blackbox" - CPU of the car. Please be advised to get a OBDII scanner to check out the troubles and have them fixed if you cannot DYI. They are now available in many Auto parts store.
>Your Disco has the Advanced EVAP systems, you need to fix its emissions problems, otherwise you will not pass the inspection:
*Regarding the:
-O2 sensor Circuit High Voltage Bank 2, Sensor 2
-O2 Sensor Circuit High Voltage Bank 1, Sensor 2
You car is informing you that your oxygen sensors are not sending the proper signal back to the CPU. And without those feedbacks the fuel/air mixture is out of order, and this causes the emission problem (too much or little fuel or air) and triggles the MIL (check engine light). Even though the light is off/burnt out, still the trouble is stored in the blackbox, believe it or not. It looks like your Oxygens sensors are worn out!
Bad news: you disco has a pair of catalytic converters and two pairs of oxygen sensors (two O2 per catalytic converter, one in the front blank, another in the rear blank).
Action: Please be adivised to replace those O2 ASAP before you even lose your catalytic converters due to the misfiring problem.
If you are DYI, solve one problem at a time, reset the code, road test, check again to see if the trouble has been fixed! This is where your own scanning tool becomes important.
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