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Discovery I Discuss here about the first version of Land Rover Discovery (Disco I) in this section.


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Old 02-27-2014, 08:57 AM   #1
Jeff48
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Join Date: Jun 2011
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Default Electronic issue-97 Disco XD

My usually reliable 97 just pulled a really dumb stunt.
I was driving in the rain with the wipers going, while turning a corner I switched on the headlights. Disco died immediately. Never fired up again.
After this it only intermittently engaged the starter despite great connection to the starter and battery. When it did rotate the engine it acted like there was no compression (kind of like a blown timing chain) but it turns out the cylinders are awash with gasoline.
The dash lights flicker very quickly when the key is in either the run or start position and the injectors and spark plugs are firing as if the engine was pulling 2500 RPM. Have checked the CAS and it is within normal limits.
I am flat out of ideas to check. Any assistance would be appreciated.
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Old 03-01-2014, 02:26 PM   #2
Joey
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sorry for the delay... most don't use this site anymore... go to landroverforum.org anyway... sounds like water in the ECU or corrosion in the connections... passenger side engine bay along the fender, pull the ECU with the battery disconnected and check for corrosion.
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This forum is not used much... please go to:

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Joey
Cincinnati OH
http://www.customroveraccessories.com Home of the New D2 horn buttons!

http://www.usarovers.com/ (call for Rover parts ask for Nathan 502-222-5859)

Rover Radio issues or IPOD Adapters http://home.valornet.com/splacket/index.htm

EAS fault http://www.rswsolutions.com

When working with GEMS vehicles. Never try to locate a misfire by pulling plug leads off - pull the injector connector instead. Otherwise you can blow up the ECU.

Secondly never swap ECUs between vehicles to test them, because both vehicles and ECUs may stop working, and you'll have to have them all reset by a franchised LR dealer (ouch!).
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Old 03-06-2014, 08:03 AM   #3
Jeff48
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Thanks Joey. landroverforum.org does not seem to work. I have a '96 donor that works fine. Is there some way to transplant the ecm from the 96 into the 97 without reflashing the ecm? I heard it is possible to transplant the ecm and the AS10 alarm and not have to reflash.
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Old 03-06-2014, 09:07 AM   #4
Joey
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http://www.landroverworld.org/forums/index.php


The only way to take an ECM from one rover to another is with Rovacom or similar land rover specific computer.
__________________
This forum is not used much... please go to:

http://www.landroverworld.org


Joey
Cincinnati OH
http://www.customroveraccessories.com Home of the New D2 horn buttons!

http://www.usarovers.com/ (call for Rover parts ask for Nathan 502-222-5859)

Rover Radio issues or IPOD Adapters http://home.valornet.com/splacket/index.htm

EAS fault http://www.rswsolutions.com

When working with GEMS vehicles. Never try to locate a misfire by pulling plug leads off - pull the injector connector instead. Otherwise you can blow up the ECU.

Secondly never swap ECUs between vehicles to test them, because both vehicles and ECUs may stop working, and you'll have to have them all reset by a franchised LR dealer (ouch!).
Joey is offline   Reply With Quote
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