I need help with a swap. I have swapped a 98+ accord vtec 2.3L vetc motor into a 91 accord. the original intake manifold was used and a p2b obd1 vtec ecu is installed the car runs rough and power is not normal and also idle is bad and original wiring was used only vtec was wired in does anyone have and ideas.
main problems
-bad idle on start and when running
-car stals

if anyone has done this swap or knows someone all help would be appreciated
email me at a_procopio@hotmail.com