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Ron Z.
Ron Z., - Chevy Tech -
Category: Chevy
Satisfied Customers: 17957
Experience:  18+yrs experience. State Inspector and Chevy Diagnostics
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Chevrolet lumina 3.1 hi, 1997 O2 sensors, where are they located

Customer Question

hi, 1997 O2 sensors, where are they located? Thanks.
Submitted: 5 years ago.
Category: Chevy
Expert:  Ron Z. replied 5 years ago.

Welcome to JustAnswer.com! My name is DriveFast71(Ron) and I will do my best to answer all of your questions completely and accurately.


 

This vehicle has 2 oxygen sensors.

 

The upstream (sensor1) is mounted to the exhaust manifold, at the rear of the engine compartment, closest to the firewall.

graphic

 

The downstream (sensor2) is mounted to the exhaust, under the vehicle, behind the converter.

graphic

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Customer: replied 5 years ago.
I have a Bosch 13055 replacement, do yo know if this is the correct part?
Expert:  Ron Z. replied 5 years ago.
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Customer: replied 5 years ago.

is sensor 1 the upstream sensor?

 

Expert:  Ron Z. replied 5 years ago.
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Customer: replied 5 years ago.
thanks
Expert:  Ron Z. replied 5 years ago.

Glad I could help! Have a great day!

 

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