No. So you can easily get a copy of it.
No there is no chip in the key however the ignition lock cylinder does enable and disable the theft system.
My key Bork off in my trunk
Yes, the 2004 Chevy Impala SS does have a governor chip that limits its top speed. This chip is factory installed and limits the speed to just over 100 mph.
Went to home depot, had a key made for a dollar. Works great in my 2003 impala, 3.4.
yes
you can copy any key, but, if the key has a "chip" in it you will have to take it to the dealer to get a copy made. I drive a 2004 F-150 and it has a chip in it.
YES
No it does not if it is a s10 blazer
Yes every F-150 since 1999 has a transponder "chip" in the key. You can get replacements or extras from a locksmith or your local dealer.
YesYes
What is the lug pattern on the 2004 impala?
If the key has a thin black head, no. If Gray or brown, yes. If it has the built in remote, yes.