there should be 4 two are pre cat and two are post cat
4
4
There are 4 oxygen sensors on the 2001 ford f150 v6.
1
The 5.2L has two oxygen sensors.
There is 2 oxygen sensors on the 2002 Nissen altima
The 2002 Toyota Camry XLE has four oxygen sensors. There are two sensors on the exhaust manifold ,and one before and one after the catalytic converter.
there are 4 o2 sensors
2
THERE ARE 2
Four
4 all together