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Old Sep 8, 2006, 06:28 AM   #1
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Oil Pressure Sensor Location?

Having a small problem Oil Pressure Warning Light coming on and going off, I wanted to check the pressure/sensor first. Is this sensor the same thing as the Oil Sending Unit? I can't find a parts list of a detailed Part Schematic Page for this car.

I'm going to start by doing an oil pressure test and then swapping the sensor if all seems well with the pressure.

Anyone have a schematic of where the sensor is located in the car's engine bay?
A picture would be great too if possible.



Thanks,
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Old Sep 8, 2006, 06:38 AM   #2
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Quote:
Originally Posted by GIsnickers
Having a small problem Oil Pressure Warning Light coming on and going off, I wanted to check the pressure/sensor first. Is this sensor the same thing as the Oil Sending Unit? I can't find a parts list of a detailed Part Schematic Page for this car.

I'm going to start by doing an oil pressure test and then swapping the sensor if all seems well with the pressure.

Anyone have a schematic of where the sensor is located in the car's engine bay?
A picture would be great too if possible.



Thanks,
Its on the back of the block under the TB/intake mani

look at 12-4 and 12-5 in the srevice manual , it show a good pic of it .
At idle it needs to be 4.2 psi or more and at 3500rpm you should have more than 100psi of oil presure
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Last edited by matt55; Sep 8, 2006 at 06:47 AM.
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Old Sep 8, 2006, 06:46 AM   #3
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Easy to Reach?
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Old Sep 8, 2006, 06:50 AM   #4
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its not to bad , def need to take off the strut tower brace
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Old Sep 11, 2006, 01:46 AM   #5
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Put your hand on the block on the lh side and you can feel it
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Old Aug 18, 2008, 07:09 PM   #6
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sry for bumping such an old thread. however i am having the oil light flicker issue that i have read numerous posts about.

Can i get to the sensor from the top or should i just take off the LICP and whatever else in order to get to it?

does anybody have any pics or HOW TO on the oil pressure sensor replacement?

THANKS
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Old Aug 19, 2008, 07:51 PM   #7
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Old Aug 19, 2008, 07:59 PM   #8
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from the top

take out your battery and ucip
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Old Aug 19, 2008, 08:20 PM   #9
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Here it is straight out of the manual. This is viewing the engine from the backside.

Click the image to open in full size.
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Old Aug 19, 2008, 11:22 PM   #10
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Can you splice an aftermarket Oil press gauge to that spot?
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Old Aug 22, 2008, 08:48 AM   #11
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You should be able to install a "T" fitting on there with another sensor.
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Old Jun 6, 2009, 01:50 AM   #12
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just wondering but will an oil light effect how the ECU operates at all? as in put it in limp mode or anything?
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Old Jun 6, 2009, 06:26 AM   #13
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This is without looking at the wiring diagram but as I recall the oil pressure switch is only connected to the gauge. In other words, the ECU wants perfect tail pipe emissions but no oil pressure is okay.
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Old Jun 6, 2009, 06:26 AM
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2002, 2003, evo, lancer, location, locations, mitsubishi, oil, pres, pressure, sender, sensor, switch, temp, unit, wrx

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