You failed to mention the model year but a large vacuum leak could do that.
Assuming this is the 4.3 engine, the throttle body would be found on top center of the engine. The air filter assembly would have to be removed to get a full view of the throttle body.
YES, There the same.
It doesn't have a carburetor. It has a fuel injected throttle body. They have no adjustments. It's all controled by the ECM (Engine Control Module).
700r4
if its a full size blazer 7000lbs
yes it will
a full size blazer top weighes about 250 to 300 lbs
4L60E.
Aprox 12 qts.
The spark plug gap for a 1994 full size Chevy Blazer with a 5.7 liter engine is .045 inches. This is equal to 1.1 mm.
Broken cable?
Yes you do. There is no other way.