carefuly?
yes
Underneath the gas tank
3 or 4
The 2002 Chevy Cavalier 02 sensor can be found attached to the air cleaner housing. The O2 sensor will be on the back side of the air cleaner housing.
There is on on each side of the catalytic converter in the exhaust.
Passenger side and after the catalytic converter O2 sensor.
There are two 02 sensors in a 2002 Town and Country. One is in the exhaust manifold, the other is in the tail pipe just behind the catalytic converter.
Bank 1 sensor 1 was the upstream 02 sensor located before the catalytic con on my 03.
Bank 2 locates on the opposite side of the cylinder # 1 and the sensor 1 is locates in the front
Check conections on the o2 sensors . Replace the 02 sensor.
where is the secondary 02 sensor on a 2004 crv