2000 Other Saturn Models oxygen sensors

Tiny
BLACKBOXX
  • MEMBER
  • 2000 SATURN
Engine problem
2000 Other Saturn Models 4 cyl Wheel Drive Type unknown Automatic 74500 miles

Where are the oxygen sensors located on the 2000 saturn SL? And how do you replace it?
Monday, February 11th, 2008 AT 12:02 AM

1 Reply

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
The o2 sensors are located on the exhuast pipe, one is before the catalytic converter on the exhaust piping, and one is after.

The one before it is for adjusting fuel air ratio for engine performance.

The second one is for catalyst effiecency *telling if the converter is working*
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Monday, February 11th, 2008 AT 7:07 AM

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