Originally posted by F23A4_AcCoRdude
What is the f23a4 i see on my ex?? please clarify this to me.
The F23A1 and F23A4 are the same 2.3L SOHC 16-valve VTEC engine. The F23A5 is the 2.3L SOHC 16-valve NON VTEC engine only found on the DX trim model. - Source Haynes Manual