Q: runs ruff no power on 1996 Chevrolet Beretta

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
hard starting cold with fresh gas starts good warm runs ruff with no power after warm is a 2.2 Engine 96 Beretta
(1) Answer
Couple thoughts - check fuel pressure, including bleed down. Also, check for an idle control valve issue - sticking perhaps?