AuthorTopic: Stalling 97 P reg V8 ES auto with lpg  (Read 735 times)

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Offline oilburningcossack

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Stalling 97 P reg V8 ES auto with lpg
« on: August 17, 2009, 01:34:29 »
This started about two months ago with a backfire or two on the way from work back to home. same old problems cap and arm on way out, so shelled out for Lucas cap and arm and fitted them, now to check the timing, wont even start, go through all the wires I can, 12v where there should be still no joy, turning things on and off a few times I find that the Leonardo ECU's relay has failed, give it a tap turn key and vooom :D away it went. Do timing take for test run all seems fine till I stopped at a roundabout and it stalled, I get it restarted but see that when turned to gas the yellow LED was now flashing, Out with the laptop plug in the Leonardo to find that the lambda has also failed :'(. And the LPG and one bank when on petrol are running on default. Now I am a lorry driver and only home weekends so repair time is short, I need to get to work, wife needs disco in week, So I bite the bullet and ask the wife to take the disco in to a local landrover garage. So on Tuesday thats what she did, Three hours and two hundred pounds later, It would not run on gas at all and she was given a list of things that needed to be done, like you need to replace the swivels as they are pitted and will start to leak, your lambda is not working, (you don't say) theres some rust on the inner wings that should be looked at and we think theres a problem with your gas system which may only be running on one tank and you will need to bring it back, :shock:. So knowing that the Leonardo is on its way out I rang tinleytec and ordered a new ECU, then surfed the net (oh what a wonder mobile internet is) and got two NGK lambas for £105 delivered (better than the £220 each at landrover) then on getting back home fitted both lambas and ECU. started disco plugged in laptop uploaded soft ware and switched to gas set the values unplugged and went for a test drive. All fine :D so I thought :evil: Some days later on pulling to a stop it stalled little hard to start but the fine for maybe two or three days then the revs will drop when at idle or even stall. I know this has been long winded but the only thing I can not do is see if there are any other faults. I know that the discos own ECU needs resetting for the new lambas but is any one local to CO15 that has a fault code reader for this disco. I don't mind £50 for time and help then at least I would know what was wrong and go about fixing it.
One G-WAC Disco new inner wings,New disc all round, new ball-joints, replaced inner-sills orange polybush new springs and shocks just the engine and g-box to do with full sport ss-exhaust (now she says I cannot take it off road) So I've got another one (well rolling shell) now where was that scorpionracing parts list

Offline Range Rover Blues

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Re: Stalling 97 P reg V8 ES auto with lpg
« Reply #1 on: August 17, 2009, 01:45:21 »
I'm ot too familiar witht he ECU on the 97 model unless it's the 14cuz, which resets when you disconnect the power.

Otherwise I'd expect a learning ECU to realise the lambda is working and do it's think properly, the more you drive it the better it gets.

If youthink the LPG is involved you'd be best disconnecting it completley untill things get sorted, ie remove the emulator loom form the petrol injectors.
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