Question about 1998 Cadillac Eldorado
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Posted on Jan 02, 2017
I show that your car uses one sensor located in the exhaust crossover of the exhaust head pipes off the engine, here is the part number and prive, labor time just to change the sensor is 1/2 hour plus the diagnostic time to test the system and determine the sensor was the problem,
ACDELCO Part # AFS73 Price $74.00 so $650 is way hight in my opinion.
Posted on Dec 23, 2009
Ok, bank 2 sensor 1 is the front one upstream sensor.---------
It's between the engine and the fire wall. it's pre catalitic converter. There is very little room. It's best to see and work on from drivers side fender.
---------------- Bank 2 Sensor 1 is on the driver side - follow the right side of the engine down the headers which attaches to the catalytic converter. The o2 Sensor you're asking about (Bank 2 Sensor 1) is before the Catalytic. The o2 Sensor after the Catalytic is Bank 2 Sensor 2. Bank 1 Sensor 1 is on the passenger side as well as Bank 1 Sensor 2.---------- --------- Approx cost for sensor only is near to 40$ and for replacing service charge by the mechanic will be more.--------The total cost will be under $100.------ To order the sensor, click the link below:-- http://technoanswers.blogspot.com/2011/08/o2-sensor-for-cadillac-seville.html --------- This should help.Thanks.Helpmech.
Posted on Aug 04, 2011
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Fig. Fig. 3: Oxygen sensor-4.3L engines
Fig. Fig. 4: Oxygen sensor-5.0L and 5.7L engines
Fig. Fig. 5: Oxygen sensor-7.4L engines
Oxygen sensors are always numbered like this:
Bank 1 sensor 1
Bank 2 sensor 1
Bank 1 sensor 2
Bank 2 sensor 2
Some manufacturers use a kind of shorthand that reads different, but means the same thing:
Sensor 1/1 or O2s 1/1
Sensor 2/1 or O2s 2/1
Sensor 1/2 or O2s 1/2
Sensor 2/2 or O2s 2/2
Bank 1 is always the side of the engine where cylinder number 1 is located and, of coarse, Bank 2 is the opposite side.
On a 4 cylinder engine, there is only 1 bank and it is always referred to as Bank 1.
Sensor 1 is always the upstream sensor (the one located BEFORE the catalytic converter)
Sensor 2 is always the downstream sensor (the one that is located AFTER the catalytic converter.
Hope helps (remember to rate this).
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