2 one in front of the converter and one after
The Ford Focus Wagon has two. One before the catalytic converter (called the upstream) and one after (downstream) Most cars have 2 or more oxygen sensors. Most cars have 2 or more oxygen sensors.
Only two, upstream and downstream.
there are 4 o2 sensors
Just after the air filter, toward the engine.
The Ford Focus has two Oxygen sensors, one before the catilitic converter, one after. The one before the catilitic converter is easy to see. When you open the hood, its all the way foreward in the center.
where are the oxygen sensors on a 2004 ford escape with a 3.0 engine
one
There are 4 oxygen sensors on the 2001 ford f150 v6.
They have two. One is right off the engine on the exhaust manifold and one is after the cat
My 1995 Ford Explorer with 4.0 L OHV has 2 oxygen sensors (Helpfull)
The 2002 Ford Focus has 16 valves.
Exhaust manifold or exhaust pipes. May be one behind the catalytic converter.