Question about 1989 Cadillac Sedan DeVille

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Can't find my oxygen sensor location

Where is my O2 sensor for a 1989 cadillac seville?

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1 in front of catalytic converter and 1 after

Posted on Nov 11, 2008

  • CJPlayer Mar 31, 2011

    Thanks I had the same question. I have an 89 Seville also and to know where and how many o2's to order without jacking the car up wure helps. Thanks this was helpfull

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How do i replace an oxygen sensor on 1993 cadillac deville


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Jan 19, 2016 | 1993 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

1 Answer

Service engine light on in a 2004 cadillac seille


Wow! I wish I had a dollar for every time I have heard this. I would be a RICH man! Please READ the article below to get a better understanding of what is going on:

What Else Could Be Wrong?

After reading the article, maybe you will understand that "lean oxygen sensor" codes are RARELY the fault of the oxygen sensor. When they are, it is HIGHLY UNLIKELY that BOTH upstream oxygen sensors would be defective at the same time. You probably have a large vacuum leak or a bad mass airflow sensor. Proper diagnosis required.

May 15, 2012 | 2004 Cadillac Seville SLS

1 Answer

Where is the crankshaft position sensor located on a1999 cadillac seville


For a 1999 seville the crank shaft sensor is located on the leftside of the engine right above the oil preasure switch, heres a diagram to help you locate them, this car has two cranksensors, cranksensor A and cranksensor B. hope this helps.0c1d494.gif

Sep 04, 2010 | Cadillac Seville Cars & Trucks

1 Answer

Need to replace both crankshaft position sensors 2001 Cadillac


4.6 the twocrankshaft position sensors are located on the front of the block just above and to the left of the oil filter. not hard to replace.

Apr 16, 2009 | 2001 Cadillac Seville

1 Answer

Codes for 2001 cadillac seville


oxygen sensors are fine you have a air leak check intake for leaks start with checking all inlet pipes rubber hoses if ok check fuel press if ok most likely mass air flow sensor i am leaning toward air leak.

Apr 16, 2009 | 1998 Cadillac Seville

1 Answer

Cannot get my oxygen sensor light to stay off


Replace the oxygen sensor then clear the code. Hope this helps and thank you for using FixYa!

Mar 30, 2009 | 1998 Cadillac Seville

1 Answer

Oxygen sensors


if you have the northstar you have 4  O2 sensors.  one in each exhaust header.  one before the cat converter & one after the converter

Jan 18, 2009 | 1998 Cadillac Seville

2 Answers

Obd codes for a 1994 cadillac seville sls


It means the heater circuit for the O2 sensor has failed. An O2 sensor has to be up around 900 degrees to function properly, and if its heater fails, it won't get up to temperature (thus the "not ready" diagnosis). Replacing the O2 sensor will fix your problem.

Sep 30, 2008 | 1994 Cadillac Seville

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