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Wales
by Joske Vermeule, September 1
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Forums39
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Jun 14th, 2026
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Joined: May 2014
Posts: 2,780 Likes: 5
Talk Morgan Expert
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Talk Morgan Expert
Joined: May 2014
Posts: 2,780 Likes: 5 |
Is that where you get psi'd Ken?
Steve
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Joined: Aug 2011
Posts: 2,583
Talk Morgan Expert
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Talk Morgan Expert
Joined: Aug 2011
Posts: 2,583 |
I had this problem a couple of years ago - it was the sender at fault - replaced it then fine for a couple of years - it has just started happening again - although a couple of long journeys seem to have sorted it. I was told not to worry as on my Ford engine it is unlikely to be anything wrong. It just seems strange that the pressure shown seems to bear no resemblance to what the engine is doing. But HEY! - they`re Morgans!
2010 4/4 sport - le mans green
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Joined: Jul 2007
Posts: 28,911 Likes: 354
Salty Sea Dog Member of the Inner Circle
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Salty Sea Dog Member of the Inner Circle
Joined: Jul 2007
Posts: 28,911 Likes: 354 |
Mars Bars are different..  Particularly when deep fried!
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly
'11 MINI Countryman Cooper D All4
'90 LR 90 SW
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Joined: Jan 2011
Posts: 5,549 Likes: 67
Charter Member
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Charter Member
Joined: Jan 2011
Posts: 5,549 Likes: 67 |
As Mars is a long way from us perhaps the pressure difference is no bar to using the car.
Here for a good time not a long time!!
Reg
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Joined: Oct 2013
Posts: 430 Likes: 2
Learner Plates Off!
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OP
Learner Plates Off!
Joined: Oct 2013
Posts: 430 Likes: 2 |
Thanks a lot for all the technical (and martian) answers ;-)
Have a great (not sunny unfortunately :-/) week end!
vMog is a 2013 +4/ 4 seater, dark red with saddle brown trim, wooden dashboard and console.
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Joined: May 2015
Posts: 412
Learner Plates Off!
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Learner Plates Off!
Joined: May 2015
Posts: 412 |
I had a similar problem on a 2006 Plus 4. Oil Pressure Gauge would wander up to the top of the scale and sometimes off it in a random fashion. The previous owner said it had been like that since new, he had it checked out by his dealer but was told it was fine and nothing to worry about - and as the engine ran fine he let it be.
I wasn't entirely happy and changing the oil pressure sender unit cured it on my car.
'di te incolumem custodiant'
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Joined: May 2010
Posts: 9,554 Likes: 134
Needs to Get Out More!
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Needs to Get Out More!
Joined: May 2010
Posts: 9,554 Likes: 134 |
I had a similar issue last year on my Plus8.
There are 2 oil pressure senders and the one to the gauge was playing up.
From cold it showed correct psi but after a couple of miles it went way up to the top of the gauge. Always ok from from cold but when some heat got to the oil it resulted in this happening. Simple job to replace and now ok.
The engine has a second pressure sender for the ecu so no worries with oil as the ecu would have shut the engine down if pressure dropped.
For the V8 normal psi is about 40 psi or 3 bar.
It drops to just above 15psi(1bar) on idle which causes worries until you realise that is normal!
Plus Four MY23 Furka Rouge
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Joined: Apr 2014
Posts: 6,960 Likes: 117
Talk Morgan Sage
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Talk Morgan Sage
Joined: Apr 2014
Posts: 6,960 Likes: 117 |
My 1999 +8 goes to 5 bar and doesn't shift much below that even when idling.
Best Regards
Lang may yer lum reek
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Joined: Dec 2009
Posts: 37,481 Likes: 989
Tricky Dicky Member of the Inner Circle
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Tricky Dicky Member of the Inner Circle
Joined: Dec 2009
Posts: 37,481 Likes: 989 |
My Plus 8 reads maximum of 4bar running. Cold tickover 2Bar and Hot tickover 1.5Bar. My previous Plus 8 had similar readings.
I'm pretty sure the pressure relief valve operates at 4Bar anyway.
Last edited by 4/4sportsfun; 27/03/16 07:24 PM.
2009 4/4 Sport Henrietta
1999 Indigo Blue +8
2009 4/4 Sport Green prev
1993 Con Green +8 prev
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Joined: Dec 2011
Posts: 381
Learner Plates Off!
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Learner Plates Off!
Joined: Dec 2011
Posts: 381 |
Have a look to:
http://www.talkmorgan.com/ubbthreads.php/topics/189255/Re:_Oil_Pressures_Query#Post189255
Regards
2005 PLUS 4
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