Cylinder missfire perhaps ? Get it scanned.
What parts??? Body, engine, suspension???
The 2000 Pontiac Firebird starter can be found on the right hand side of the engine. The starter will be near the back of the engine.
If the check engine light is flashing that means an engine cylinder misfire has been detected
See link
Can a v.8 5.7l 350 engine fit into a 1994 Pontiac firebird?
Chevy 350 LT1
160 hp
About 4 and a half quarts
All 1993 Pontiac Trans Ams were made with the LT1 engine.
Bank 1 is the drivers side of your 5.7 liter V8 engine in a Pontiac Firebird
Something is wrong with the emissions system.
It is a Pontiac Firebird Third Generation produced from 1982 - 1992.