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Home > Technical > Just stops, dead. No response from car |
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Chrism551 Member Since: 01 Feb 2021 Location: Blackpool Posts: 149 |
Might be worth checking the fuel tank senders and their associated wiring as the tank is saddle shaped and has senders in both halves. The gauge may show good fuel level in one half, but the second sender in the other half may show low fuel level to the ecu which will stop the car from running as it can damage the fuel pump if insufficient fuel is available. Are their any fault codes? The varying voltages may be correct as I’m fairly certain the alternators use smart charging based on demand rather than a fixed voltage. Also check your earth connections to the engine. There is a mod somewhere to add a second earth strap to cure some faults. |
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4th Sep 2023 8:53 pm |
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Yarkie Member Since: 04 Sep 2023 Location: Derby Posts: 7 |
Thanks. I don't know any of the fault codes. But would the lower voltage trigger the red warning light on the dash? |
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4th Sep 2023 9:25 pm |
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Worms Member Since: 31 Oct 2017 Location: Highlands Posts: 635 |
Well, it depends just how low is really low... But it is meant to do that. It goes into limp mode to help you get to a garage or off the motorway safely. 2005 D3 2.7 Auto Previously: 2010 MY FL2 TD4e GS - Now gone at 199,500 miles, about 135,000 of them mine. ‘93 Defender 110 200TDi CSW ‘87 Defender 90 4 cyl Petrol ‘83 110 CSW V8 - best ever! Range Rover 2-door V8 (not sure of year - 4-speed box and vacuum diff switch) Series III SWB Diesel |
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5th Sep 2023 5:55 am |
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Yarkie Member Since: 04 Sep 2023 Location: Derby Posts: 7 |
Thanks, ref fuel. That makes sense. |
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5th Sep 2023 5:59 am |
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Badger51 Member Since: 01 Mar 2014 Location: Coffs Harbour Posts: 962 |
This sort of information is readily available in the owners handbook. If you don’t have one, they can be downloaded here: https://www.freel2.com/forum/topic10621.html Owning some sort of diagnostic equipment will also be essential, so you will need to do some homework. (Now Sold). 2008 Freelander 2 (Nazca Sand) SE TD4 Auto. Statutory write off & on WOVR for hail damage but still road legal. 171037Km as of 09/05/22 Superchips Bluefin Flash Nanocom Evo II (also sold) |
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5th Sep 2023 6:55 am |
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IanMetro Member Since: 11 Sep 2017 Location: Somerset BS21 Posts: 3127 |
Battery charging problems - see blue wire posts
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5th Sep 2023 8:25 am |
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Yarkie Member Since: 04 Sep 2023 Location: Derby Posts: 7 |
Update:
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5th Sep 2023 1:14 pm |
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Billsy Member Since: 09 Dec 2013 Location: Mid Sussex Posts: 180 |
Check the electric connections down by the passenger footwell?
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5th Sep 2023 1:32 pm |
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BossBob Member Since: 30 Sep 2010 Location: Bristol Posts: 1385 |
Has it had an extra earth lead fitted between battery and (normally) starter motor mounting? At least one forum member had 2 years of problems caused by a failure of the conductor in the single battery to earth lead that was fitted to early cars. Later model years had 2 earth leads fitted as standard.
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5th Sep 2023 2:07 pm |
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IanMetro Member Since: 11 Sep 2017 Location: Somerset BS21 Posts: 3127 |
This became a similar fault and discusses the earthing etc in the passengers footwell
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5th Sep 2023 2:43 pm |
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Yarkie Member Since: 04 Sep 2023 Location: Derby Posts: 7 |
Update to the thread: Auto electrician out - after various tests and checks he suggests ECU fault. (it looks like the ECU has been out of the mountings before and has at least 1 new screw in it)
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11th Sep 2023 12:46 pm |
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Nodge68 Member Since: 15 Jul 2020 Location: Newquay Posts: 2082 |
It's unusual and unlikely to be the ECM. They're very reliable.
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11th Sep 2023 4:21 pm |
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Yarkie Member Since: 04 Sep 2023 Location: Derby Posts: 7 |
Update and apologies for how long it's taken as its been stood with 2 different auto electricians out to it. As advised it's unlikely the ECM, I've had it tested with no faults found. 2nd auto electrician added extra earth cable and cleaned all connections on original, identified radio as draining battery (fuse removed) and alternator regulator not 100% but suggested not a reason for concern. Checked and cleaned electrical connectors in passenger footwell and took BCM out. Anyone reading this know if the BCM circuit boards are usually loose or fixed solid, he identified one side that was loose and the pins may / may not have always connected, maybe with vibration perhaps causing the issue first reported. The car hasn't stopped since but not done much mileage yet. |
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12th Oct 2023 6:50 pm |
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IanMetro Member Since: 11 Sep 2017 Location: Somerset BS21 Posts: 3127 |
Thanks for update, hope all goes well from now on. FL2 XS SD4 Auto 2010 2012-2017 (21k - 91k miles) (MY2011)
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13th Oct 2023 8:17 am |
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