Want this question answered?
Two sensors, and replace them.
In exhaust pipe before catalytic converter unscrew to replace
The oxygen sensor on the 1999 Oldsmobile Cutlass Sierra is located on the lower exhaust. If you need to replace it, they are available for about $20 online.
two
There are two oxegen sensors on the 99 V70 GLT.
How do you replace a fuel filter on a 1999 s80 Volvo?
The TCM is the transmission control module and it has nothing to do with oxygen sensors!
That Vehicle has 2 oxygen sensors.
2
Four
Exhaust system.
2