Hi im wesall o2 sensors are located in the exaust system yours has one before the converter one after if it has duall exaust before the cat on drivers side will be upstream sensor bank 1 after cat right side will be bank 2 sensor 2
thanks wes
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Usually just have to follow your exhaust manifolds, look for piece (sensor) sticking out 4-5" from side manifold or exhaust pipe with wires attached.
SOURCE: 2001 Cadillac Deville oxygen sensor wiring diagram
The wiring diagram shows the wiring color code, Power rating
and connector plug used. The wiring diagram explains the vehicle's electrical
connections with color code. It's a bit complicated to understand.
SOURCE: change oxygen sensor
Under hood, center, front engine area, above exhaust
pipe flange, mounted in exhaust manifold
Application:
Front
Under hood, center, rear engine area, above exhaust
pipe flange, mounted in exhaust manifold
Application:
Rear
The oxygen sensor may be difficult to remove when the engine
temperature is below 120°F (48°C). Excessive force may damage the
threads in the exhaust manifold of exhaust pipe.
NOTE
A special anti-seize compound is used on the oxygen sensor
threads. The compound consists of liquid graphite and glass beads. The
graphite will burn away, but the glass beads will remain, making the
sensor easier to remove. New or service sensors will already have the
compound applied to the threads. If an oxygen sensor is removed from
the engine and if for any reason, it is to be reinstalled, the threads
must have this anti-seize compound applied before installation.
Fig. Location of the rear O2 sensor
Fig. Location of the the front O2 sensor
Fig. Use a wrench or special socket to loosen the O2 sensor
Fig. When replacing or reinstalling an oxygen sensor, be sure to lube the threads sufficiently
Fig. Location of the rear O2 sensor
Fig. Location of the the front O2 sensor
Fig. Use a wrench or special socket to loosen the O2 sensor
Fig. When replacing or reinstalling an oxygen sensor, be sure to lube the threads sufficiently
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