Question about 1998 Cadillac DeVille

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Can you tell me where the oil pressure switch and sensor are located on a 1998 Cadillac deville

My car gives me the "oil pressure low" every time the temp is at 200degrees or higher. can you to me what could be the problem ?

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 1994 cadillac deville concours

On my car, which is the same as yours, it is located on the manifold top back left. Pictures in the book just show it on top.

Posted on Jul 24, 2009

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  • 1 Answer

SOURCE: location of coolant temp sensor

where can locate the engine coolant temperture sensor.

Posted on Jul 29, 2009

240SXer
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SOURCE: location of oil pressure switch on a 1997 cadillac deville

Oil pressure switches a normally located by or near the oil filter on all cars. :-)

Posted on Dec 25, 2009

  • 21 Answers

SOURCE: my 1998 caddilac deville low oil pressure light on...

the low oil pressure light can be a faulty oil pressure sensor.But mostly its the pump itself. open the oil pan and check if the net is chocked if not then replace the oil pump and do install the new o ring supplied with the pump. And try changing the oil on time and a good brand is important. (if the problem still exists then u need to replace the crank barring and the cam bushings..Just kidding).

Posted on May 21, 2010

  • 1 Answer

SOURCE: 1998 Cadillac Deville low refrigerant a/c

I have a 1999 Cadillic Deville. The low Frefrigerant indicater come on after about 15 minutes of disconnecting the battery power. Each Time I reset the power the air conditioner comes back on for a while then goes out. I have taken it into the local auto repair place and they find no problem with the unit.
Could this be a intermittent connection to the computer. They have replaced both sencors and the problem persists. Where is the computer located on the car that handles this AC sensor message?

Posted on Jul 14, 2010

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3 Answers

What does the red oil light mean on 1998 deville. also car has oil in it. stop engine now light came on too. Why ?


If your oil light is on, it means that the control module thinks there is no oil pressure. It could be a bad oil pressure sending unit, or it could be that the oil pump is out and that the engine is actually not getting oil. The engine would need to have a mechanical gauge put on to find out if it does have pressure.

Oct 25, 2014 | 1998 Cadillac DeVille

2 Answers

Tying to find crank sensor for 2002 Cadillac Seville std 4.6 liter


This answer covers 1999-2005 Cadillac Deville, Eldorado & Seville.
Example Engine:
2002 Cadillac Seville STS 4.6L SFI DOHC HO 8cyl.

This engine has (2) Crankshaft Position (CKP) Sensors: the Upper sensor is CKP sensor B, and the lower sensor is CKP sensor A (this is included for the OBD-II DTC codes - P0385 references Sensor B = upper CKP sensor, whereas P0335 references the lower CKP sensor (sensor A)).

Both crankshaft position sensors are located in the front of the engine just above the oil filter adapter. To access both CKP sensors, jack up vehicle on the passenger side, remove the oil filter, and the oil filter adapter, including the Engine Oil Pressure (EOP) switch. See illustration.
tying-find-crank-sensor-2002-cadillac-3hcuyyaerdphtgzyedxwn2k0-1-0.jpg
The ARROW points toward Front of Car.
1. Upper Crankshaft Position Sensor (B).
2. Lower Crankshaft Position Sensor (A)
3. Engine Oil Pressure (EOP) switch
4. Engine Oil Level switch
The Oil Filter is the can-type object below the oil filter adapter, which includes the EOP switch. Recommend: remove oil filter with an oil filter socket/strap wrench, since it's close to the oil pan.

Aug 21, 2014 | Cars & Trucks

3 Answers

1998 Cadillac Deville low refrigerant a/c


I have a 1999 Cadillic Deville. The low Frefrigerant indicater come on after about 15 minutes of disconnecting the battery power. Each Time I reset the power the air conditioner comes back on for a while then goes out. I have taken it into the local auto repair place and they find no problem with the unit.
Could this be a intermittent connection to the computer. They have replaced both sencors and the problem persists. Where is the computer located on the car that handles this AC sensor message?

Jun 18, 2010 | 1998 Cadillac DeVille

1 Answer

My 1998 caddilac deville low oil pressure light on


the low oil pressure light can be a faulty oil pressure sensor.But mostly its the pump itself. open the oil pan and check if the net is chocked if not then replace the oil pump and do install the new o ring supplied with the pump. And try changing the oil on time and a good brand is important. (if the problem still exists then u need to replace the crank barring and the cam bushings..Just kidding).

May 19, 2010 | Cars & Trucks

1 Answer

1998 DeVille: what happens if I put 10w-40 oil in a 1998 cadilla...


I believe that 10w30 is recommended for the vehicle, but 10w-40 is a good substitute if 10w30 is not available.

Probably nothing bad will happen, but if the Driver Information System shows low oil pressure, revert back to the recommended viscosity.

May 17, 2010 | 1998 Cadillac DeVille

1 Answer

Oil level light comes on inthe afternoon on 1995 cadillac 4.9 when coming to astop


assuming your oil is full and you have changed the oil regularly the light is telling you you have low oil pressure

untreated this will lead to engine failure

if you are lucky, its just an oil pressure switch issue

that being said... check you oil level and/or change your oil and see what happens


May 03, 2010 | 1995 Cadillac DeVille

1 Answer

Warning light for low oil pressure .could this be a oil pressure sending switch?


It is possible,changing the sending unit will tell,for the cost,it is worth the gamble.

Mar 31, 2010 | 1998 Cadillac DeVille

1 Answer

Location of oil pressure switch on a 1997 cadillac deville


Oil pressure switches a normally located by or near the oil filter on all cars. :-)

Dec 24, 2009 | 1997 Cadillac DeVille

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