Had A look at the Hawkeye and found that it will not connect as there is no direct link, a lot of money to pay for something yhat will need modifing. What i have found from Steve Heath Engineering Limited is fault display module for £50 no less, that wires into the 14CUX and gives a fault...

I Would be very interested to hear sugestions or advice about diagnostic software for my 3.9 Efi. What is it, who is it, will it run on my laptop and what can it tell me?

Oh that helps yes i do have a K&n type. So were do i post a wanted add.

Aaagh the plot thickens. If only i had a drawing or some instructions, looks like i will have to take the damm thing apart. I just don't want to give a load of money to some stranger and be dependant on them for evermore.

Well have read the posts checked out the links and still no better. Something is very wrong! Ok it is sugested that the voltage on the lambda sensor should be 0-0.5 lean, 0.5-1 rich. Well on petrol i have 2.5V on Lpg i have 0.03V, regardless of what i do with the Vaporiser controls. So i checked...

Well many thanks to you all

Slowly it all becomes clear. It would apear from the lack of servo adjuster that this conversion is not compleat. So where can i get a servo valve and can i fit it myself?

i know what your saying, but i want to know how, after all thats part of the joy!

Hello All. Yes great i've myself a 1994 disco V8 3.9 Efi and its got a gas conversion. Problem is it runs like a bag of bolts at low revs, on petrol all is good, but switch to gas it ticks over nice and when its going it flies. But try and pull away from the lights and you've got a kangaroo...