hi everyone , had this problem on my l322 for while my eml light gets triggered and the fault reads as follows

lamda adaption lower limit exeded bank 1 and 2

i have replaced both front sensors as the fault used to read

o2 sensor fault upstream bank 1 -

lamda adaption lower limit exeded bank 1 and 2

now the first part of the fault has now gone i am left with the other
as well as these faults the other fault along with them reads
electric thermostat fault
which i do have ready to replace - anyone think they may be conected ? maybe if i replace the thermostat it may solve it
its 1 of those jobs i havent got around to 1990 3.5 v8 defender
2000 4.6 v8 30th anniversary prins lpg
2004 4.4 v8 vogue prins lpg
2011 4.4 TDV8 Vogue
faultmate extreme
rsw allcoms
Autel 906BT
Gap iiD tool

Quite a few EML issues are due to air leaks on the system. Have you checked your PCV for leaks? Don't think the stat will fix the issues but will obviously help with general running etc. [img]http://www.fuelly.com/driver/rob2529/range-rover[img/]
04, 4.4V8, Vogue Oslo Blue with LPG.
"You can sleep in your car, BUT you can't race your house!!!!"

If something can't be fixed with a hammer....... You have yourself an electrical fault!

As Rob has said - my money would be on one of the 4 PCV valve hoses or the PCV valve itself. 

pcv valve has been renewed also the two big hoses and the 2 small hoses
if i reset the eml light it comes on after about 10-20 miles 1990 3.5 v8 defender
2000 4.6 v8 30th anniversary prins lpg
2004 4.4 v8 vogue prins lpg
2011 4.4 TDV8 Vogue
faultmate extreme
rsw allcoms
Autel 906BT
Gap iiD tool

update
my problem is now solved , changed the maf sensor and everything is ok no eml light- drove 145 mile since if it was gonna come on it would have been in the first 30 miles - result !! 1990 3.5 v8 defender
2000 4.6 v8 30th anniversary prins lpg
2004 4.4 v8 vogue prins lpg
2011 4.4 TDV8 Vogue
faultmate extreme
rsw allcoms
Autel 906BT
Gap iiD tool

Any updates on this Klf400? Having similar issues, replaced O2 sensors PCV hoses and plugs. Now thinking MAF. Is yours still going well?

Fraser