2000 Other Saturn Models oxygen sensors

2000 SATURN
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BLACKBOXX
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Engine problem
2000 Other Saturn Models 4 cyl Wheel Drive Type unknown Automatic 74500 miles
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Where are the oxygen sensors located on the 2000 saturn SL ? And how do you replace it?
Feb 10, 2008 at 4:02 PM
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BLACKOP555
  • ✓Experienced Mechanic
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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*
Feb 10, 2008 at 11:07 PM
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