[DeTomaso] High Oil Pressure all of the sudden

[Rob Dumoulin]

Doesn't the sending unit send a ground to the gauge and dirty contact would
show less oil pressure?
On Apr 2, 2013 11:31 PM, "michael at michaelshortt.com" <michaelsavga at gmail.com>
wrote:

> I had a similar problem, it was a dirty contact on the sending unit. Pull
> off the wire, brake clean spray everything and put it back on ensuring a
> snug fit. Problem went away.
>
> Michael Shortt
> On Apr 2, 2013 10:31 PM, "Rob Dumoulin" <rob at dumoulins.net> wrote:
>
>> I'm a frequent glancer at my gauges. Always have been. Tonight I took 1488
>> to dinner and on the way back I noticed the oil pressure gauge almost to
>> 70
>> PSI at 2K RPM.  At idle it backs down to about 45 and engine off, it goes
>> to zero. Normally, it would stay about 35 PSI at 2K RPM and my drop just
>> below that at idle.  I pulled off and made sure the sensor wire was not
>> shorting out anywhere obvious and limped it home.
>>
>> Oil was changed about 2 weeks ago, so it's fresh. Level is perfect.  It's
>> about 70 degrees here and the engine temp is normal. It's a nice cool
>> night, but no different than other nights or days recently I've gone out.
>> Because it has never happened before, it got my attention. What would make
>> that happen?
>>
>> Rob
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>