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 Catalina 25 Specific Forum
 Oil light		  New Topic  Topic Locked
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NCBrew
Captain

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USA
338 Posts
Initially Posted - 05/25/2012 :  04:28:52  Show Profile
I have a 9.9 Nissan 4-stroke and when I start it the oil light used to stay on for about 1 or 2 seconds. Now it stays on longer about 4-5 seconds then goes out. Motor runs fine.
Oil level is high. Should I be concerned?
1998 Catalina 250WK
Ravaging
Albemarle Sound,NC

I spent most of my money on boats and beer, the rest I just wasted.
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John Russell
Master Marine Consultant

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USA
3444 Posts
Response Posted - 05/25/2012 :  05:42:21  Show Profile
When was the last time you changed the oil?
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szymek
Navigator

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Canada
209 Posts
Response Posted - 05/25/2012 :  06:06:30  Show Profile
As long as it goes out within few seconds you should be fine. The idea is to show you that oil pressure light is working. I just bought Tohatsu 9.8 and same thing - light goes on for approx 2 - 5 seconds. Seems to vary.

So I got curious and I looked at the manual just to double check and it states that light should go on for "several" seconds.

As John stated above - ensure maintenance is up to date.
Edited by - szymek on 05/25/2012 06:07:14
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OJ
Master Marine Consultant

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USA
4382 Posts
Response Posted - 05/25/2012 :  13:05:37  Show Profile
Is there an oil filter or screen on a 4-stroke outboard?
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dmpilc
Master Marine Consultant

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USA
4593 Posts
Response Posted - 05/25/2012 :  14:03:19  Show Profile
I couldn't find one on our Nissan 9.8. Just don't go too long between oil changes.
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Voyager
Master Marine Consultant

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USA
5379 Posts
Response Posted - 05/28/2012 :  20:45:38  Show Profile
On my old car, when the oil light began to hang on for a short time after starting, I found that my oil pump was starting to go. If the oil pickup tube is clogged, the pump may also be getting starved of oil. On another car, I had a bad oil pressure switch - it cracked and eventually started leaking.
If you notice the oil light coming on at low idle, and going off at high RPMs - this would be troubling.
Or if the duration of the oil light at startup gets longer and longer - I'd be worried.
If you don't have time to dig into the problem, I'd keep an eye out for telltale signs.
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Sloop Smitten
Master Marine Consultant

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USA
1181 Posts
Response Posted - 05/29/2012 :  09:15:26  Show Profile
I would think the oil pressure sensor is probably reacting slowly due to a buildup of sludge on the sensor or the sensor is just getting old. If it is removable you might try cleaning it. As other have stated low oil pressure would usually be most apparent at idle. As long as it is not glowing lightly or intermittently at idle my level of concern would be low.
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NCBrew
Captain

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USA
338 Posts
Response Posted - 05/30/2012 :  06:21:41  Show Profile
The light goes off after about 5 seconds. It never even flickers or comes on at idle. My bigest concern is it used to go off faster.
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GaryB
Master Marine Consultant

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USA
4304 Posts
Response Posted - 05/31/2012 :  17:56:25  Show Profile
Go sailing, Quit Worrying, Be Happy!
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Dave5041
Former Mainsheet Editor

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USA
3758 Posts
Response Posted - 06/03/2012 :  10:12:48  Show Profile
I wouldn't worry if it doesn't continue to increase and doesn't flicker on at an idle.
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.