How hard is it to change oxygen sensors on a 2001 S-10 P/U extended
cab with 4.3 motor??? Thanks

How hard is it to change oxygen sensors on a 2001 S-10 P/U extended
cab with 4.3 motor??? Thanks

It is not that difficult. My advice is to get a good O2 wrench.

And my advice is have an oxy-acetlene torch close by, and someone that knows how to use it. You'll probably have to heat the area around it to loosen it off.