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Topic: engine oil light (Read 614 times) |
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ultima4
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engine oil light
« on: Feb 12th, 2008, 7:31pm » |
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hi my oil light flickers and stays on after engine running .its off when first started but after several minitsit stays on it had a ford fitted oil pressure switch fitted buy my local garage today but is still the same as it was before .they showed me the old switch they had removed.oil and filter changed 500 miles ago 15/40 semisynthec used.any ideas what else to look for ps level correct.thanks geoff 20i dohc 1995 ultima 16v
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scorpio_man
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Ford Kuga awd
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Re: engine oil light
« Reply #1 on: Feb 12th, 2008, 9:35pm » |
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hi there
you should be using sae 5w-30 oil.
hth
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gozz
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Been around awhile
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Re: engine oil light
« Reply #2 on: Feb 12th, 2008, 9:50pm » |
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Have you had a pressure gauge onto it?Possibility of low oil pressure!
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harry.m1byt
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Re: engine oil light
« Reply #3 on: Feb 12th, 2008, 11:12pm » |
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It might be the pressure switch itself has failed, or that the wire to the switch has an intermitant short to earth.
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August '95 2.9 12v auto Ultima -
Now flashing 
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Jonnycab
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Former owner of 2.3 Ultima Facelift saloon
Posts: 3900
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Re: engine oil light
« Reply #4 on: Feb 13th, 2008, 1:18am » |
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Could be sludge/deposits in the engine or oil pump.....
As scorpio_man says, it should be 5W-30 oil 
Personally, I would start by flushing the oil out using a good engine flush (Wynns is pretty good) to get any sludge & deposits out of the engine oil ways & oil pump, & then refill with 5W-30 oil (semi-synthetic or fully synthetic).....& go from there
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ultima4
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Re: engine oil light
« Reply #5 on: Feb 13th, 2008, 6:45pm » |
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thanks to everyone for their swift replys i will try changeing the oil to 5/30 and flushing keep you posted thanks geoff.
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Snoopy
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Very old.BAD tempered and missing friends.
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Re: engine oil light
« Reply #6 on: Feb 13th, 2008, 7:21pm » |
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symptom could also be a worn oil pump or bearings but I would have thought you would have other symptoms if it was the bearings
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