Oil pressure light on

Old 10-01-2010, 08:53 PM
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Question Oil pressure light on

Hi guys,

Since I changed my TCT few months ago, I noticed that every time I start the car in the morning, the oil pressure light stays on for a second longer than the other lights, but then it goes off. Also, when I leave the car for some time(like 15 min.) after driving it, when I start it after that, the red light flashes quickly like two times then goes off.

Any one can think of a reason why the light stays on more than usual? I also tried shaking the wires near the TCT, but nothing has changed.

Thanks in advance,
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Old 10-01-2010, 11:48 PM
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Oil pressure light stays on until the system registers enough pressure to make it go out. It usually takes a second or 2 longer than the other lights on cold start up. As long as it doesnt flicker on or stay on while you are driving then it should be ok. You should always check your oil level though as the light doesnt come on until the oil is really low.

You probably didnt pay as much attention to the oil light until after you changed the TCT.

http://www.youtube.com/watch?v=8XO14Ql5HmE

Video: Sorry about the second start up, I just wanted to see how quickly it went out. Keep in mind the car wasn't completely cold despite displaying only 1 bar. It had been driven about 5 hours ago. It definitely stays on longer in the morning on a true cold start-up.

Last edited by Marioshi; 10-02-2010 at 12:18 AM. Reason: Video beeotches
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Old 10-02-2010, 06:15 AM
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Originally Posted by Marioshi View Post
You probably didnt pay as much attention to the oil light until after you changed the TCT.
LOL..that's what my friend suggested. I just couldn't believe him until I hear from a stewie owner .

Thank you so much for the relief.
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Old 10-02-2010, 03:27 PM
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I got a fuel pressure warning from my SPA gauge but there was no impact on performance. So I checked the wiring and found a loose grounding screw. An easy fix. If an oil pressure warning happened I would shut the car down immediately.


Jonathan
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Old 10-02-2010, 06:32 PM
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Definitely...an oil pressure light is something I take very seriously. However, in my case it just stays on for a very short time, and only in cold starts. I haven't detected anything unusual in the car as well. I never noticed the light before changing the TCT. Maybe after changing it, I started looking for any changes, and that when I noticed it.

Thanks for your input, Jonathan .
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Old 10-18-2010, 05:38 AM
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few days ago i measured for how long oil press light remains on - on a cold start it's close to 1 sec, on a hot start it turns off almost immidiately.
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Old 10-18-2010, 07:12 AM
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Originally Posted by the.aviator2 View Post
Hi guys,

Since I changed my TCT few months ago,
Any one can think of a reason why the light stays on more than usual? I also tried shaking the wires near the TCT, but nothing has changed.

Thanks in advance,

How much did that cost and how many miles?
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Old 10-18-2010, 09:05 AM
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tct runs around $125

you can take it off, take it apart, sand the worm gear and reassemble for free.
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Old 10-18-2010, 04:12 PM
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worry about it if it stays on. do check your oil.
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Old 10-18-2010, 06:37 PM
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Originally Posted by nateman101 View Post
How much did that cost and how many miles?
I can't really remember(been few months since then), but I'm pretty sure it's like what turbosix said. I changed it myself; it wasn't a hassle.
My stewie has 146k on it I just changed the oil this afternoon.
...
@bbcricketta
thanks bud, I do check the oil every two or three days.

Last edited by the.aviator2; 10-18-2010 at 06:39 PM.
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Old 10-18-2010, 09:43 PM
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what oil are you using?
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Old 10-19-2010, 03:17 PM
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Originally Posted by philiam View Post
what oil are you using?
Actually I tried different brands just to see if one will burn more than the others, and yup, I noticed a difference.

The first one I tried was full synthetic Mobile1 10-30W. in my 3000miles I added 1.5quarts.
In the second time, I decided to go with Castrol Edge 10-30W, and with the same 3000miles I added about 2 quarts.
The last one I tried is Castrol Syntec.This one was horrible. I remember buying three if not four quarts (I believe three), and I reached my changing time with a very LOW oil level.
...
Considering my experience above, This time I went back to mobile1 which I've always trusted.

Last edited by the.aviator2; 10-19-2010 at 06:34 PM.
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Old 05-12-2012, 10:24 AM
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what about an oil pressure light that blinks once only on cold start up and never blinks while driving...anybody got any ideas on that one...i have monitored it during driving and not a blink...but one blink randomly (not all the time) on cold start up
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Old 05-14-2012, 07:49 AM
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Originally Posted by Decepticon S2K View Post
what about an oil pressure light that blinks once only on cold start up and never blinks while driving...anybody got any ideas on that one...i have monitored it during driving and not a blink...but one blink randomly (not all the time) on cold start up
this is normal. there's no oil pressure when you go to start the car.
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Old 05-16-2012, 12:39 AM
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turbosix...lets hope so buddy...got my oil pressure test in 6 hours at the dealership...crossing fingers and praying for good numbers
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Old 05-16-2012, 05:46 AM
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Compression test, correct. Not oil pressure test.
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