RE:16v oil pressure problem

[scirocco@mac.com]

Thanks for all of the quick replies!

The idiot light & buzzer do NOT come on at less than 2K, only if that 
is exceeded.

  The oil is Castrol, I do not know what brand the filter is but it's 
been on there for about 2K miles and the problem just started.

If the car is under load and I put in the clutch before it drops to 
2K RPM, no buzzer.

Simply increasing the RPM to about 2200 will make the buzzer stop if 
it comes on.

  One curious thing that may or may not be relevant- this car from day 
one (I am the original owner) always burned about a quart of oil 
every 1800 or so miles.  When the problem first started, the first 
thing I checked was the oil level- it was completely full.  I don't 
know why the car would suddenly STOP burning oil.

I'm bringing the car to my mechanic on Thursday to use his mechanical 
gauge- just wanted to have an idea what it might be before I get 
there.

Thanks again

Alex




At 1:55 pm -0400 5.7.01, Dan Bubb wrote:
>If I remember correctly, one of the senders is monitored at idle and the
>other one is monitored once the engine is above a certain RPM (2000 or
>so is what comes to mind)and, of course, it's looking for a higher
>pressure than the idle sender. I'd think the next step is to hook up an
>accurate mechanical gauge to verify your idiot lights are working
>properly.
>Your post seems a little contradictor about whether the light is on or
>off below 2K under load. Can you clarify?
>Dan
>
>scirocco@mac.com wrote:
>>
>>  I am new to this list and have a problem I hope someone can help me with.
>>
>>  I have a 1988 Scirocco 16V I've had since new (250K miles!).
>>  Recently I noticed that the oil pressure sensor was going off when
>>  the car was under load if the RPM's fell below 2K.  It will not come
>>  on if the car is idling or if under load and less than 2K rpm.  I
>>  replaced both the high and low pressure sensors with new, factory
>>  parts and there is no difference.  It seems that if it needed
>>  bearings and/or an oil pump, that it would do this at idle or under
>>  load at low engine speeds.  Any comments or suggestions would be
>>  appreciated.
>>
>>  Thanks
>>
>>  Alex
>  >

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