The ecm is the engine control module. I'm not sure what a ecu is.
The ECM on a 2000 S10 ZR2 is located under the hood. It is on the top of the passenger side inner fender.
It has no governor. The powertrain management is controlled by the ECM.
NO. They are not even close to being the same. Chevy redesigned everything in 2000.
Yes- the bolt pattern is the same.
You don't. The timing is adjusted thru the ECM.
No need to, it is done electronically with several sensors and the ECM.
The ecm does with input from various sensors.
Under the hood, on top of the passenger side inner fender.
You can find a diagram of a 2000 2.2 L Chevy S-10 engine online. There are several websites with this diagram. You can also contact a Chevy dealer for info.
Check inside the vehicle in the passenger side kick panel or behind the glove compartment.
It is in the fuel tank.