Rear O2

[probuilder1]

Anyone know the best way to replace the rear o2 sensor on a 99 gt?

 

[Sabrewings]

Jack the car up, O2 sensor socket, breaker bar may be needed.

 

[Reptile]

You might need some penetrating oil, a good 7/8 wrench and a BFH

 

[Sabrewings]

I keep a BFH in my tool box along with some other handy items:

 

[Reptile]

I think I only see one thing there that wouldn't take the sensor out. LOL