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Oxygen sensors information, please?

Old Oct 18, 2004 | 06:02 PM
  #1  
Smith4046
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Oxygen sensors information, please?

Had my newly acquired '02 Z28 on the lift first time today. Saw only 2 oxygen sensors, both pre-cat. Have a feeling I might have a total of 4. Did I miss two post-cat? Does anyone have suggestions as to brand? Have been dealing with Bosch for years on older, single sensor vehicles. Is replacing them much of a problem?

Gracias for any input to a Z owner who has mucho to learn!

Steve
Old Oct 19, 2004 | 04:37 AM
  #2  
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Re: Oxygen sensors information, please?

Originally Posted by Smith4046
Had my newly acquired '02 Z28 on the lift first time today. Saw only 2 oxygen sensors, both pre-cat. Have a feeling I might have a total of 4. Did I miss two post-cat? Does anyone have suggestions as to brand? Have been dealing with Bosch for years on older, single sensor vehicles. Is replacing them much of a problem?

Gracias for any input to a Z owner who has mucho to learn!

Steve
2 in front of the cats 2 behind the cats. Factory sensors work just fine.
Old Oct 19, 2004 | 01:23 PM
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Smith4046
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Re: Oxygen sensors information, please?

Gracias for the info.

Steve
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