I recently swaped my f23a4 honda motor to a f23 japan honda motor. it was interchangeable and everything works except the timming seems to be off. I have checked the timming marks which are fine and the sensors are also fine. the belt was changed but when using the timming gun everything seems fine. The car is doing a rough/erratic idle and if you try to excellerate it cuts off. Im starting to think maybe the computer is reading it wrong because the motor is japan and emissions in japan are lower than the usa. although all the sensors are the same all the connections were also the same and the year are also the same. I'm stuck can you help?
Aug 13, 2009 at 6:41 PM