Ah, okay. I forget which/what the ECOTEC is. Maybe that’s the engine in the Cobalt platform?
The 122 looks like the one, yes. I believe the coils and other ignition parts like to gum up and drop the gas mileage down (what I’ve heard on forums). I had an automatic in a 2000 4-door. Ugly car, ugly color. Had some cockroach charm to it though.
Unless I’m wrong, the 4 cylinder in the late 90’s S10/Sonoma/etc was the same as the one in certain Cavalier models. I can’t recall if it’s the 2.2 litre or 2.4 litre. I seen one with the hood popped and it looked like the same thing.
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