Under the hood, on top of the passengers side inner fender.
Need to know which engine you have in that 2002 S10.
It is located in the catalytic converter
Under dash, passenger side.
There is no EGR valve on the 2002 4.3L (code W)
on the frame under the truck on the drivers side
It still has a distributor.
Top center of engine, 2.2 or the 4.3 engine.
The 2002 Chevrolet S10 was fuel injected.
It should be found in the passenger kick panel area.
under the battery, remove the battery and battery tray
Mounted to the main ECM (computer) under the passenger side dash.
yea 1998 to 2002 are da same