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Author Topic: oil light on when hot  (Read 1225 times)

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teddy_y2k

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oil light on when hot
« on: 03 May 2007, 11:27:12 »
ok guys i have a 2.0l 16v omega manual on a 98 reg and what is happing is when the car is hot my oil light starts to flicker and then after a bit comes on full but only when ticking over when i pull of or as soon as i rev a little bit it goes out...so i done a oil change and it went for about 1-2 months now its starting again i used a vx filter and oil 10w40 the car has done 100285 miles and drives fine but when i stop the oil light comes on can any 1 help me please like is there a breather pipe i can clean or something..and why is my intake butterfly thingy got oil all around it all the time...dont mean to be silly but if any 1 can help can u not use big words as i am dislexic if thats how u spel it ....thanx guys thanx..... :y
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sorry for my spelling am dyslexic

nixoro

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Re: oil light on when hot
« Reply #1 on: 03 May 2007, 11:38:03 »
Have you got any visible oil leaks and has the oil level gone down since the change?
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Marks DTM Calib

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Re: oil light on when hot
« Reply #2 on: 03 May 2007, 13:33:39 »
Ideally you need to get the real oil pressure checked with an oil pressure gauge, these screw into the pressure switch location on the oil pump..

Possibles are

1) Faulty oil pressure switch
2) Badly worn engine internals
3) Faulty oil pump
4) Pressure valve stuck open...


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teddy_y2k

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Re: oil light on when hot
« Reply #3 on: 03 May 2007, 22:14:36 »
ok thanx guys thanx mark much appretiated i will try a new oil pressure switch and let u now how i get on thanx again thanx :y
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sorry for my spelling am dyslexic

Markjay

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Re: oil light on when hot
« Reply #4 on: 03 May 2007, 22:26:46 »
It is best to get it sorted just in case it is something simple like an oil pressure switch (new one cost around £5), but generally speaking oil switch coming on at idle when engine is hot on high-mileage cars is considered acceptable... 100k isn't that much but again if everything else is OK and it only happens at idle it should not be a major worry. You can also try switching to slightly thicker oil but to be honest I wouldn't bother.
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zealious

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Re: oil light on when hot
« Reply #5 on: 04 May 2007, 04:16:31 »
on the 3.0 is the switch located in the same visinitiy of the alternator?
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Marks DTM Calib

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Re: oil light on when hot
« Reply #6 on: 04 May 2007, 08:22:15 »
Yes, it protrudes forwards inbetween the alternator and crank pulley...has a sinle electrical connection to it (or maybe two on a Cat as you have oil pressure gauges)
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