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ibexman

Member Since: 13 Dec 2008
Location: Essex
Posts: 2945

HELP PLEASE oil light stays on

I have a 27000 mile td5 90 and the oil light stays on at idle . i have changed oil and both filters and oil pressure sensor any thoughts cheers Chris

22nd Sep 2013 10:19am

bpman

Member Since: 21 May 2008
Location: Oslo
Posts: 8069

2008 Defender 110 Puma 2.4 SVX Station Wagon Santorini Black

a short in the wiring ?

22nd Sep 2013 10:22am

ibexman

Member Since: 13 Dec 2008
Location: Essex
Posts: 2945

When i blip throttle it goes off may be idle is low ?

22nd Sep 2013 10:26am

ibexman

Member Since: 13 Dec 2008
Location: Essex
Posts: 2945

whoops

22nd Sep 2013 10:26am

Lou Sparts

Member Since: 15 Apr 2012
Location: Kent
Posts: 1501

2005 Defender 90 Td5 XS CSW Zambezi Silver

Will the ECU let it idle low ? My money would be on a short in the wiring probably through a chaffed wire somewhere as the oil pressure switch is earth operated.

I had this problem on a non LR car some years ago where the oil light would come on at tickover. 2005 Td5 90 XS

Steve

22nd Sep 2013 10:32am

me@td5.org

Member Since: 16 Jan 2011
Location: Warwick
Posts: 856

Is your oil pressure low? Why assume it is an electrical fault? www.td5.org

22nd Sep 2013 10:51am

Laurie

Member Since: 22 Feb 2008
Location: Sussex, England
Posts: 2897

2005 Defender 90 Td5 XS CSW Bonatti Grey

Temporarily substitute a pressure gauge and see what readings you get.

22nd Sep 2013 10:53am

ibexman

Member Since: 13 Dec 2008
Location: Essex
Posts: 2945

I'm still using it I'm wondering if I should runs fine

22nd Sep 2013 10:58am

wizz80

Member Since: 06 Dec 2012
Location: north devon
Posts: 38

i wouldnt be using it if it was me i have changed a few oil pumps on these with the same problem get a gauge on there asap

30th Sep 2013 6:02pm

Sphere

Member Since: 26 Apr 2013
Location: Midlands
Posts: 725

2015 Defender 110 Puma 2.2 USW Keswick Green

I had this tried everything was the oil pump in the end. Mine was caused by the turbo failing and me not cleaning the sump properly. Expensive mistake but would be worse if the pump gives up.

30th Sep 2013 6:49pm

LR90XS2011

Member Since: 05 Apr 2011
Location: bickenhill
Posts: 3641

2011 Defender 90 Puma 2.4 XS CSW Galway Green

Laurie wrote:
Temporarily substitute a pressure gauge and see what readings you get.

X2

Stop using it until you know the true pressure. I doubt the wiring DEFENDER 90 TDCI XS,

I hope everyone is well and your land rovers make you happy

Last edited by LR90XS2011 on 1st Oct 2013 5:17am. Edited 1 time in total

30th Sep 2013 6:56pm

ibexman

Member Since: 13 Dec 2008
Location: Essex
Posts: 2945

As tested by beadles land rover 6to8 psi at idle 75 psi at 4000 rpm

30th Sep 2013 9:03pm

dorstsmith2

Member Since: 06 Aug 2012
Location: On the third rock from the sun in dorset
Posts: 188

TD5 Engine pressure at idle cold 3.0 bar 43.5 lbf.in3 low oil pressure switch opening 0.2 - 0.6 bar 3.0 -8.8 ibf in3

30th Sep 2013 10:02pm

dorstsmith2

Member Since: 06 Aug 2012
Location: On the third rock from the sun in dorset
Posts: 188

14 psi =1 bar

30th Sep 2013 10:04pm

wizz80

Member Since: 06 Dec 2012
Location: north devon
Posts: 38

Yeah that pressure is to low get that oil pump changed asap

1st Oct 2013 8:36pm

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