How to replace both the upstream and downstream oxygen sensors on a 2005 Chevy Monte Carlo SS 3.8 Supercharged

Asked by Mar 12, 2016 at 09:41 AM about the 2005 Chevrolet Monte Carlo SS

Question type: Maintenance & Repair

I was curious as to the labor hours involved and procedure to replace both O2 sensors.

3 Answers


It would take maybe 1/2 hr. if that.

1 of 1 people found this helpful.

Procedure involves getting the car in the air and use a special O2 sensor wrench to remove and install them from/into the exhaust pipes.


If i have a 02 oxygen sensor out on my monte carlo ss, where would it be located at

1 of 1 people found this helpful.

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