faceing the eng. op your right below the exsust man
Assuming this is the 4.3L engine, one.
knock sensor
there may be two knock sensors on that 4.3L engine. One would be on the back of the passenger side cylinder head and the other would be on the drivers side, lower engine block area.
It only has 1, And it is on the passenger side screewed into the rear top of the engine. It is hard to see.
We will need to know which engine it has to answer that.
The ECM controls the timing with information sent to it from sensors such as the crank sensor and the knock sensor.
the knock sensor is located on the lower passenger side of the block,right in front and slightly above the starter!
depends on the engine if its a 4 cyl there are 2 6 cyl ther are 4. 1 on each cyl bank and before and after the cat converter
Need to know which engine you have in that 2002 S10.
There are many sensors on the engine, need to know which one you are looking for.
left side back of engine by dist.
Oxygen sensors are located in the exhaust system. 4.3L example, one after each bank of cylinders, one before cat and one after cat converter.