Because that's how an engine runs. it can only ever rev up if you give it gas. no gas, no revs. more gas, more revs
No
The 4.3L.
Yes
At key on it should come on for a couple second "bulb check".
I had my 200 blazer scanned an was told it was a bad fuel tank cap. I replaced it and the light is still on.
That requires an ENGINE SCANNER to do that. But you will first need to fix what is wrong are the light will come back on. Have engine scanned.
A 2000 Chevy Blazer is a GM vehicle. Vehicles made by GM do not come equipped with an inertia switch.
The check engine light would come on and the code stored would refer to a bad cat.
Sounds as if the wires at the rear of the vehicle are mixed up. Check to see if the brake lights come on when put into reverse gear. That will rather confirm the hosed wiring.
Yes, along with hundreds of other things. See related questions below.
The 1997 Chevrolet Blazer didn't come with a cabin filter.
2004 Chevy Blazer has two catalytic converters. One up close to the engine just after the pipes from the exhaust manifolds come together, and one down closer to the middle of the vehicle. The first one is sort of round, and the second is more flat and wide.