Finally have cured the problem... Tried another ECU on it - no good - called in the pros - auto electrician came to it - messed about, then informed that I need a range rover specialist - charged me then left. A few phone calls later - enter the specialist - diagnosed faulty coil and throttle...

I had the very same problem with my Rangie - We changed the transmission oil and the gearbox filter and the problem went away. It`s now done a thousand miles since and changes up and down like a new -un

Im getting more confused - Yesterday I sprayed every connector I could find under the bonnet and then started her up - left on tickover for 15 minutes and then drove about 35 miles with no problem - YES RESULT!! NO!! - came to her this morning - started her - Problem returned!! Tried her again...

Can anyone please help - Im running out of ideas My `86 3.5 EFI starts first time on the key and wil run for Between 1 and 10 minutes and then die as if switching it off. This happens wether being driven or on tickover and will then not start - will just turn over and over and not attempt to...