PRA ECU in jdm ep3

[itrsmyth24]

well my name keith an have wee problem so here i go i had a euro ep3 k20a2 year 05 an sold but took my kpro out an got a jdm ep3 the day an but the kpro in but car will only rev to 4000rpm an check light so plug in to car an came up vtec fault an 02 bank. the ecu with kpro code is pra an jdm code is prd. so is there anyway to fix this or ive buy a new kpro for the prd ecu thanks for looking.

[Spunkster]

You can use the PRA ECU, but you will not be able to run in closed loop unless you rewire it to a Euro EP3 spec O2 sensor. The PRA does not work with a wideband O2 found in the JDM EP3.