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| rustandoil Member Since: 08 Sep 2012 Location: Cotswolds Posts: 738   
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Relay under the drivers seat was the culprit when I had similar issues
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9th May 2017 12:16pm |
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| bankz5152 Member Since: 02 Feb 2017 Location: South London/North Kent Posts: 2162 
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Check the usual, red plug oil, clean MAP, check MAF, no de-laminated/split hoses, intercooler solid
Mine did the same once, turned it off and back on fixed it fault never returned. |
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9th May 2017 3:13pm |
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| huffhuff Member Since: 05 May 2016 Location: Home Counties Posts: 379  
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I had similar. Happened more on extreme adverse camber or going over bumps. So, I figured it was a loose or chaffed wire somewhere. Finally (after many months) worked out it was a dry joint on the red side of ECU socket. Resoldered and been hunkey sorry ever since (well, that particular problem hasn't come back) TD5 Defender 90
Discovery 3 HSE |
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9th May 2017 9:16pm |
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| Harry.O Member Since: 25 Jul 2014 Location: Warwickshire Posts: 713 
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Thank you for the responses, I took the LR on holiday to Scotland and the problem has become a bit more persistent over the last few weeks and there's a bit of oil in the red ECU plug so will swap the injector loom this evening, fingers crossed that should solve the issue.
Does anyone have any tips on cleaning the oil from the wiring loom and plug? |
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22nd May 2017 12:39pm |
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| dorsetsmith Member Since: 30 Oct 2011 Location: South West Posts: 4554 |
brake clean and time to clean the oil out from the loom and plug
unplug and use brake cleaner to flush oil out from plug |
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22nd May 2017 12:49pm |
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| mk1collector Member Since: 17 Sep 2009 Location: West Yorkshire Posts: 6769 
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Check the red plug a couple of times for a week or two after you've cleaned it as more oil can travel down after the injector loom has been changed. I did a thread a while ago about sealing the injector loom before fitting to stop it happening again. Ray
My build thread http://www.defender2.net/forum/topic17615.html |
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22nd May 2017 4:18pm |
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| Harry.O Member Since: 25 Jul 2014 Location: Warwickshire Posts: 713
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Thanks chaps
 Got side-lined last night by changing the leaky clutch master cylinder but in the meantime have unplugged the connectors and showered it in brake cleaner to start cleaning it.
Found your thread thank you Mk1collector, really good idea - I'll get down to Halfrauds this evening to buy some sealant. Fingers crossed this should solve the problem  |
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23rd May 2017 11:06am |
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| Laurie Member Since: 22 Feb 2008 Location: Sussex, England Posts: 2897 
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Look at the temp. gauge when it happens. If it flicks to maximum then it is going into limp mode which doesn't seem to show on analysis. Could be blocked radiator.
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23rd May 2017 11:38am |
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| TechnoTurkey Member Since: 25 Jul 2016 Location: Worcestershire Posts: 88 
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Mine was a filthy MAP, gave it a good clean and the problem didn't return.
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24th May 2017 9:33am |
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| Harry.O Member Since: 25 Jul 2014 Location: Warwickshire Posts: 713
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So I've been abroad with work and LR related jobs have slipped a bit but I didn't change the injector loom last time I was home. I went to change it this morning and there's no more oil in the red plug it since I last cleaned with brake cleaner 1,000 miles ago. The problem hasnt re-occurred since the plug was cleaned out either.
Pulling the acoustic cover off the top, there was no evidence of oil in the plug at the engine end but the MAP sensor was unplugged. Would this have caused the issue? Given that I have the parts to do the injector loom, is it worth doing or just keep an eye out for when it does start to leak. Last time it went into limp mode was in May, the Nanocom showed the following Click image to enlarge |
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3rd Jul 2017 1:44pm |
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| Tiger Member Since: 06 Jul 2012 Location: Wales Posts: 2265 
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1st step is always a new MAF
Dan @ Duckworths had genuine ones at reasonable price (only get a Genuine Siemens VDO unit) If that doesn't fix it then MAP Oil in loom New injector harness Check turbo actuator moves at 20psi (bike pump) |
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3rd Jul 2017 2:47pm |
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| mk1collector Member Since: 17 Sep 2009 Location: West Yorkshire Posts: 6769
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You say the MAP sensor was unplugged, did you mean MAF? Ray
My build thread http://www.defender2.net/forum/topic17615.html |
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3rd Jul 2017 3:22pm |
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| Harry.O Member Since: 25 Jul 2014 Location: Warwickshire Posts: 713
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Thanks chaps, the MAF sensor was changed for a genuine Siemens unit 3,000 miles ago and is reading correctly when the Nanocom is plugged in. The MAP sensor on the inlet manifold was the one unplugged but I've no idea how long it has been like that for.
There's no more oil trickling down the loom but will check the turbo is opening correctly. Is it worth changing the loom anyway? Wondering if the turbo is causing the issue, seem to recall each time it died was whilst pulling fairly hard up a hill although since getting back, it's not repeated the problem. Do i pull the rubber pipe off the actuator and wedge the compressor into it? |
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3rd Jul 2017 3:39pm |
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| Tiger Member Since: 06 Jul 2012 Location: Wales Posts: 2265
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Don't wedge a compressor only takes 20PSI to move it
Bike pump works just fine |
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3rd Jul 2017 3:41pm |
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