With my 2000 Blazer it is 100 miles. I've been passing emissions by clearing codes for 6 years driving off the miles and passing.
Yes but, if the light is flashing no.
You need to check all of the mounts. Get a manual to show you where they are.
Fix the cause of the light coming on and the light will reset itself within a few drive cycles.
Yes you can. But you will want to check you're engine soon.
Yes, if you check the 4x4 sites there are conversion kits available
It really depends on what the cause of the check engine light is.
If the light is not flashing you can drive it until you can have it repaired. If the check engine light is flashing, park it. Otherwise you will do catastrophic damage to the catalytic converter costing several hundreds of dollars to replace.
Pull the engine.
Across the front of the engine. It operates by the drive belt and pulleys.
This is an engine swap and will require engineering mounts, drive shafts, computers and wiring.
It is safe to drive you car for at least one mile after the check engine light comes on.
check the fuses.