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Topic: Oil pressure (Read 15443 times)
krede
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Posts: 1172
Oil pressure
«
on:
April 15, 2007, 12:35:19 pm »
At almost exactly 4000 rpm the needle in my oilpressure gauge drops to nought...!!
has anyone had this same faliure?..
The gauge has been somewhat inconsistant in its readings since I bought the car (where the gauge needle was dancing the rumba most of the time),I suspect some sort of electrical fault, and so am not in any state of panic....though lack of oilpressure is not something I like to mess about with... especially at 4000+ rpm
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Anders Dinsen
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Re: Oil pressure
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Reply #1 on:
April 15, 2007, 02:51:54 pm »
No, lack of oil pressure isn't a funny thing........ If it is an electrical fault it could be the green connector in the engine room. If you pull it apart you will probably see that the connectors aren't pretty. I'd try measuring the resistance over the sensor at different ends of the system to determine if there's a loose connection. And why not replace the sensor right away?
I get about 4 bars of oil pressure when the engine is cold, dropping to 3 or so when the oil has warmed up and viscosity has decreased. It's fairly stable.
- Anders
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1982 Talbot Matra Murena 2.2 prep 142
2017 BMW i3 "Charged Professional" 94Ah
Used to own:
2001 Renault Matra Grand Espace "The Race" V6 24v
1997 Renault Matra Espace 2.0 8V
1987 Renault Matra Espace J11 2.2
Lennart Sorth
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Re: Oil pressure
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Reply #2 on:
April 15, 2007, 03:10:46 pm »
Quote from: Anders Dinsen on April 15, 2007, 02:51:54 pm
dropping to 3 or so when the oil has warmed up and viscosity has decreased. It's fairly stable.
I have always seen somewhat lower pressure (~2.5-3) at idle than higher revs - it seems as if I need to get over 1500-2000 revs before it stabilizes at 3.5-4.
As far as I can remember, it has been like that both on my original 1.6 engine and the 8 years I have had my 1.9i.
(Except for when the 1.9i broke down due to lack of proper maintenance - I had overlooked a hole in the air filter. - but I try to forget that unfortunate incident. )
/Lennart
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Lennart.Sorth@matrasport.dk
Murena 1983 1.9i silver // Honda e '20 Charge Yellow // VW Polo '22 1.0 tsi silver//
Anders Dinsen
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Re: Oil pressure
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Reply #3 on:
April 16, 2007, 10:22:27 am »
I noticed how the instrument runs yesterday when I testdrove the car, and I have to add that my oil pressure in idle is a bit unstable. But it tends to move with the idle speed which isn't entirely stable either, that's all.
Lennart, I don't remember you had an incident with your car... you just had it off the road for a couple of years to perfect it, didn't you?
- Anders
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1982 Talbot Matra Murena 2.2 prep 142
2017 BMW i3 "Charged Professional" 94Ah
Used to own:
2001 Renault Matra Grand Espace "The Race" V6 24v
1997 Renault Matra Espace 2.0 8V
1987 Renault Matra Espace J11 2.2
Lennart Sorth
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Re: Oil pressure
«
Reply #4 on:
April 16, 2007, 10:31:28 pm »
Quote from: Anders Dinsen on April 16, 2007, 10:22:27 am
Lennart, I don't remember you had an incident with your car... you just had it off the road for a couple of years to perfect it, didn't you?
You have turned forty now, haven't you ?
PS: Who the hell are you anyway ?
/Lennart, I think
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Lennart.Sorth@matrasport.dk
Murena 1983 1.9i silver // Honda e '20 Charge Yellow // VW Polo '22 1.0 tsi silver//
Anders Dinsen
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Re: Oil pressure
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Reply #5 on:
April 17, 2007, 06:18:01 am »
Quote from: Lennart Sorth on April 16, 2007, 10:31:28 pm
Quote from: Anders Dinsen on April 16, 2007, 10:22:27 am
Lennart, I don't remember you had an incident with your car... you just had it off the road for a couple of years to perfect it, didn't you?
You have turned forty now, haven't you ?
What are you implying
I'M ONLY THIRTYSEVEN. A few days more....
Quote
PS: Who the hell are you anyway ?
Hmmmm can I call someone?
- Anders
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1982 Talbot Matra Murena 2.2 prep 142
2017 BMW i3 "Charged Professional" 94Ah
Used to own:
2001 Renault Matra Grand Espace "The Race" V6 24v
1997 Renault Matra Espace 2.0 8V
1987 Renault Matra Espace J11 2.2
Lennart Sorth
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Re: Oil pressure
«
Reply #6 on:
April 18, 2007, 01:32:20 am »
Quote from: Anders Dinsen on April 17, 2007, 06:18:01 am
What are you implying
Oups .. sorry. Now what can I do to get your oil pressure down to normal again ? - buy you a beer ?
/Lennart
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Lennart.Sorth@matrasport.dk
Murena 1983 1.9i silver // Honda e '20 Charge Yellow // VW Polo '22 1.0 tsi silver//
Anders Dinsen
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Re: Oil pressure
«
Reply #7 on:
April 18, 2007, 06:06:54 am »
Quote from: Lennart Sorth on April 18, 2007, 01:32:20 am
Quote from: Anders Dinsen on April 17, 2007, 06:18:01 am
What are you implying
Oups .. sorry. Now what can I do to get your oil pressure down to normal again ? - buy you a beer ?
Yes, that seems to help
Logged
1982 Talbot Matra Murena 2.2 prep 142
2017 BMW i3 "Charged Professional" 94Ah
Used to own:
2001 Renault Matra Grand Espace "The Race" V6 24v
1997 Renault Matra Espace 2.0 8V
1987 Renault Matra Espace J11 2.2
krede
YaBB God
Posts: 1172
Re: Oil pressure
«
Reply #8 on:
April 19, 2007, 03:29:39 pm »
Well... I can report that at 4000 rpm, instead of droppig to zero, my oil pressure gauge has decided go in the other direction, and move to 5 bar instead... thats a 180 degree turn on opinion.... perhaps it has a future in politics?...
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davidewanprice
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Re: Oil pressure
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Reply #9 on:
April 19, 2007, 04:16:30 pm »
I had a look at mine, when cold its about 4, then decreases as it warm, seems to stay around 1 to 3, cant say i was looking at 4000rpm, but i'll keep an eye and let you know.
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Anders Dinsen
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Re: Oil pressure
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Reply #10 on:
April 19, 2007, 05:16:03 pm »
Quote from: krede on April 19, 2007, 03:29:39 pm
Well... I can report that at 4000 rpm, instead of droppig to zero, my oil pressure gauge has decided go in the other direction, and move to 5 bar instead... thats a 180 degree turn on opinion.... perhaps it has a future in politics?...
Hmm, interesting point...
It doesn't sound like an electrical problem to me
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1982 Talbot Matra Murena 2.2 prep 142
2017 BMW i3 "Charged Professional" 94Ah
Used to own:
2001 Renault Matra Grand Espace "The Race" V6 24v
1997 Renault Matra Espace 2.0 8V
1987 Renault Matra Espace J11 2.2
krede
YaBB God
Posts: 1172
Re: Oil pressure
«
Reply #11 on:
April 19, 2007, 05:36:27 pm »
Seems to me the sensor is broken... think I will try and replace it next time I change the oil
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Anders Dinsen
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Re: Oil pressure
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Reply #12 on:
April 19, 2007, 08:55:58 pm »
Quote from: krede on April 19, 2007, 05:36:27 pm
Seems to me the sensor is broken... think I will try and replace it next time I change the oil
That's certanly not unlikely... Anyway, the sensor is sitting above the oil filter so it should not drain any oil off the system if you remove it to switch it over to another one. Apart from that the job is horrible, you may not be able to get a good grip without removing the oil filter I think... Worse than when I had to replace a water hose clamp yesterday
- Anders
Logged
1982 Talbot Matra Murena 2.2 prep 142
2017 BMW i3 "Charged Professional" 94Ah
Used to own:
2001 Renault Matra Grand Espace "The Race" V6 24v
1997 Renault Matra Espace 2.0 8V
1987 Renault Matra Espace J11 2.2
krede
YaBB God
Posts: 1172
Re: Oil pressure
«
Reply #13 on:
April 19, 2007, 10:30:51 pm »
I recon I can get it on the lift where i work in a weeknd.. should make access much easier
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