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-   -   OIL pressure Light (https://www.audiforum.ca/audi-mailing-list-45/oil-pressure-light-9698/)

joyce kieser 05-11-2006 02:25 PM

OIL pressure Light
 
Help!
I have an 1988 Audi 80 quattro. When slowing down, the oil pressure warning
light on the dash comes on and there is a beeping. When I stop, the light
goes off and the beepings stops. Our service technician has checked and
says it is not the sensor or oil pump. Claims it is the engine. This
doesn't make sense to me absent any sign of an oil leak.
Does anyone have any thoughts?

Sam



Robert Roland 05-11-2006 04:08 PM

Re: OIL pressure Light
 
On Thu, 11 May 2006 19:25:38 GMT, "joyce kieser"
<joyce4@ix.netcom.com> wrote:

>Our service technician has checked and
>says it is not the sensor or oil pump.


There are two oil pressure sensors. The other one is broken.

--
RoRo

Robert Roland 05-11-2006 04:08 PM

Re: OIL pressure Light
 
On Thu, 11 May 2006 19:25:38 GMT, "joyce kieser"
<joyce4@ix.netcom.com> wrote:

>Our service technician has checked and
>says it is not the sensor or oil pump.


There are two oil pressure sensors. The other one is broken.

--
RoRo

Robert Roland 05-11-2006 04:08 PM

Re: OIL pressure Light
 
On Thu, 11 May 2006 19:25:38 GMT, "joyce kieser"
<joyce4@ix.netcom.com> wrote:

>Our service technician has checked and
>says it is not the sensor or oil pump.


There are two oil pressure sensors. The other one is broken.

--
RoRo

joyce kieser 05-11-2006 10:52 PM

Re: OIL pressure Light
 
Thanks for the reply.
The service people claim they checked both sensors. Any other thoughts?
Sam

"Robert Roland" <fake@ddress.no> wrote in message
news:gs9762honk6gcf9nkksq98otm02khrst12@4ax.com...
> On Thu, 11 May 2006 19:25:38 GMT, "joyce kieser"
> <joyce4@ix.netcom.com> wrote:
>
> >Our service technician has checked and
> >says it is not the sensor or oil pump.

>
> There are two oil pressure sensors. The other one is broken.
>
> --
> RoRo




joyce kieser 05-11-2006 10:52 PM

Re: OIL pressure Light
 
Thanks for the reply.
The service people claim they checked both sensors. Any other thoughts?
Sam

"Robert Roland" <fake@ddress.no> wrote in message
news:gs9762honk6gcf9nkksq98otm02khrst12@4ax.com...
> On Thu, 11 May 2006 19:25:38 GMT, "joyce kieser"
> <joyce4@ix.netcom.com> wrote:
>
> >Our service technician has checked and
> >says it is not the sensor or oil pump.

>
> There are two oil pressure sensors. The other one is broken.
>
> --
> RoRo




joyce kieser 05-11-2006 10:52 PM

Re: OIL pressure Light
 
Thanks for the reply.
The service people claim they checked both sensors. Any other thoughts?
Sam

"Robert Roland" <fake@ddress.no> wrote in message
news:gs9762honk6gcf9nkksq98otm02khrst12@4ax.com...
> On Thu, 11 May 2006 19:25:38 GMT, "joyce kieser"
> <joyce4@ix.netcom.com> wrote:
>
> >Our service technician has checked and
> >says it is not the sensor or oil pump.

>
> There are two oil pressure sensors. The other one is broken.
>
> --
> RoRo




R@L 05-12-2006 03:21 AM

Re: OIL pressure Light
 

"joyce kieser" <joyce4@ix.netcom.com> wrote in message
news:ScM8g.1296$y4.777@newsread2.news.pas.earthlin k.net...
> Help!
> I have an 1988 Audi 80 quattro. When slowing down, the oil pressure
> warning
> light on the dash comes on and there is a beeping. When I stop, the light
> goes off and the beepings stops. Our service technician has checked and
> says it is not the sensor or oil pump. Claims it is the engine. This
> doesn't make sense to me absent any sign of an oil leak.
> Does anyone have any thoughts?
>
> Sam
>
>


If it looks like a lack of oil pressure why couldn't it be so?
Change the filter and check again.

Ronald



R@L 05-12-2006 03:21 AM

Re: OIL pressure Light
 

"joyce kieser" <joyce4@ix.netcom.com> wrote in message
news:ScM8g.1296$y4.777@newsread2.news.pas.earthlin k.net...
> Help!
> I have an 1988 Audi 80 quattro. When slowing down, the oil pressure
> warning
> light on the dash comes on and there is a beeping. When I stop, the light
> goes off and the beepings stops. Our service technician has checked and
> says it is not the sensor or oil pump. Claims it is the engine. This
> doesn't make sense to me absent any sign of an oil leak.
> Does anyone have any thoughts?
>
> Sam
>
>


If it looks like a lack of oil pressure why couldn't it be so?
Change the filter and check again.

Ronald



R@L 05-12-2006 03:21 AM

Re: OIL pressure Light
 

"joyce kieser" <joyce4@ix.netcom.com> wrote in message
news:ScM8g.1296$y4.777@newsread2.news.pas.earthlin k.net...
> Help!
> I have an 1988 Audi 80 quattro. When slowing down, the oil pressure
> warning
> light on the dash comes on and there is a beeping. When I stop, the light
> goes off and the beepings stops. Our service technician has checked and
> says it is not the sensor or oil pump. Claims it is the engine. This
> doesn't make sense to me absent any sign of an oil leak.
> Does anyone have any thoughts?
>
> Sam
>
>


If it looks like a lack of oil pressure why couldn't it be so?
Change the filter and check again.

Ronald



Iain Miller 05-12-2006 06:13 AM

Re: OIL pressure Light
 

"joyce kieser" <joyce4@ix.netcom.com> wrote in message
news:WDT8g.1546$Jf.875@newsread4.news.pas.earthlin k.net...
> Thanks for the reply.
> The service people claim they checked both sensors. Any other thoughts?
> Sam
>
> "Robert Roland" <fake@ddress.no> wrote in message
> news:gs9762honk6gcf9nkksq98otm02khrst12@4ax.com...
>> On Thu, 11 May 2006 19:25:38 GMT, "joyce kieser"
>> <joyce4@ix.netcom.com> wrote:
>>
>> >Our service technician has checked and
>> >says it is not the sensor or oil pump.

>>
>> There are two oil pressure sensors. The other one is broken.


Might just be a sensor but if not I'd say you might be looking at either a
failing oil pump or possibly a sludged engine causing a blocked oil pump
pickup.
Dropping the oil pan will tell you. That said, I don;t know how easy that is
on an 80 - it might or might not be simple. On an A4 its a bear of a job.

Have you been doing regular oil & filter changes? How many miles has this
thing done & how clean is the oil in it?

Might be that it needs a treatment of this : www.auto-rx.com

Bottom line is that low oil pressure (assuming this is not a sensor fault)
suggests a lack of oil circulating the engine which will lead to failure
fairly rapidly. If you want to keep the thing you need to get it fixed.

I.



Iain Miller 05-12-2006 06:13 AM

Re: OIL pressure Light
 

"joyce kieser" <joyce4@ix.netcom.com> wrote in message
news:WDT8g.1546$Jf.875@newsread4.news.pas.earthlin k.net...
> Thanks for the reply.
> The service people claim they checked both sensors. Any other thoughts?
> Sam
>
> "Robert Roland" <fake@ddress.no> wrote in message
> news:gs9762honk6gcf9nkksq98otm02khrst12@4ax.com...
>> On Thu, 11 May 2006 19:25:38 GMT, "joyce kieser"
>> <joyce4@ix.netcom.com> wrote:
>>
>> >Our service technician has checked and
>> >says it is not the sensor or oil pump.

>>
>> There are two oil pressure sensors. The other one is broken.


Might just be a sensor but if not I'd say you might be looking at either a
failing oil pump or possibly a sludged engine causing a blocked oil pump
pickup.
Dropping the oil pan will tell you. That said, I don;t know how easy that is
on an 80 - it might or might not be simple. On an A4 its a bear of a job.

Have you been doing regular oil & filter changes? How many miles has this
thing done & how clean is the oil in it?

Might be that it needs a treatment of this : www.auto-rx.com

Bottom line is that low oil pressure (assuming this is not a sensor fault)
suggests a lack of oil circulating the engine which will lead to failure
fairly rapidly. If you want to keep the thing you need to get it fixed.

I.



Iain Miller 05-12-2006 06:13 AM

Re: OIL pressure Light
 

"joyce kieser" <joyce4@ix.netcom.com> wrote in message
news:WDT8g.1546$Jf.875@newsread4.news.pas.earthlin k.net...
> Thanks for the reply.
> The service people claim they checked both sensors. Any other thoughts?
> Sam
>
> "Robert Roland" <fake@ddress.no> wrote in message
> news:gs9762honk6gcf9nkksq98otm02khrst12@4ax.com...
>> On Thu, 11 May 2006 19:25:38 GMT, "joyce kieser"
>> <joyce4@ix.netcom.com> wrote:
>>
>> >Our service technician has checked and
>> >says it is not the sensor or oil pump.

>>
>> There are two oil pressure sensors. The other one is broken.


Might just be a sensor but if not I'd say you might be looking at either a
failing oil pump or possibly a sludged engine causing a blocked oil pump
pickup.
Dropping the oil pan will tell you. That said, I don;t know how easy that is
on an 80 - it might or might not be simple. On an A4 its a bear of a job.

Have you been doing regular oil & filter changes? How many miles has this
thing done & how clean is the oil in it?

Might be that it needs a treatment of this : www.auto-rx.com

Bottom line is that low oil pressure (assuming this is not a sensor fault)
suggests a lack of oil circulating the engine which will lead to failure
fairly rapidly. If you want to keep the thing you need to get it fixed.

I.



Robert Roland 05-12-2006 08:49 AM

Re: OIL pressure Light
 
On Fri, 12 May 2006 03:52:22 GMT, "joyce kieser"
<joyce4@ix.netcom.com> wrote:

>The service people claim they checked both sensors. Any other thoughts?


Your tech is aware that the two sensors work oppositely, i.e. one is
normally open, and the other is normally closed?

If the sensors are OK, you only have three options left:

1. The oil pressure warning controller is bad.
2. The wiring from pressure sensors to the controller is bad.
3. You actually have low oil pressure.

First test:
- Disconnect the wire from the high pressure sensor.
- Connect the wire to ground and take a test drive.

If the beeping still happens, your problem is with the controller or
its wiring. If the beeping goes away, you most likely have an oil
pressure problem which could cause serious engine damage.

--
RoRo

Robert Roland 05-12-2006 08:49 AM

Re: OIL pressure Light
 
On Fri, 12 May 2006 03:52:22 GMT, "joyce kieser"
<joyce4@ix.netcom.com> wrote:

>The service people claim they checked both sensors. Any other thoughts?


Your tech is aware that the two sensors work oppositely, i.e. one is
normally open, and the other is normally closed?

If the sensors are OK, you only have three options left:

1. The oil pressure warning controller is bad.
2. The wiring from pressure sensors to the controller is bad.
3. You actually have low oil pressure.

First test:
- Disconnect the wire from the high pressure sensor.
- Connect the wire to ground and take a test drive.

If the beeping still happens, your problem is with the controller or
its wiring. If the beeping goes away, you most likely have an oil
pressure problem which could cause serious engine damage.

--
RoRo

Robert Roland 05-12-2006 08:49 AM

Re: OIL pressure Light
 
On Fri, 12 May 2006 03:52:22 GMT, "joyce kieser"
<joyce4@ix.netcom.com> wrote:

>The service people claim they checked both sensors. Any other thoughts?


Your tech is aware that the two sensors work oppositely, i.e. one is
normally open, and the other is normally closed?

If the sensors are OK, you only have three options left:

1. The oil pressure warning controller is bad.
2. The wiring from pressure sensors to the controller is bad.
3. You actually have low oil pressure.

First test:
- Disconnect the wire from the high pressure sensor.
- Connect the wire to ground and take a test drive.

If the beeping still happens, your problem is with the controller or
its wiring. If the beeping goes away, you most likely have an oil
pressure problem which could cause serious engine damage.

--
RoRo


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