i just switched out my obd1 ecu to a obd2 ecu a p72 for my gsr swap and i have 4 check engine codes one for the "IAC valve" one for the "knock sensor 1 bank 1" "ckp sensor no signal" and "o2 heater ckt 1/2" what do these problems mean can some 1 help!!!!

 

mayb u have a defective ecu?? did u try a diff ecu... this happened to me...my pr3 was throwing codes and id replace the parts and it still throw codes!! finally after running out of ideas i switched ecu just to see and they stopped!!! i felt like a dumbass!!!! somex u get defective ecus...try resetting ure ecu 1st....and if that dont work borrow or buy new ecu and see

 

Do you know how to read? This was a quote from your other thread.


When WHOEVER did your swap they never connected those sensors because they just gave you a conversion harness and an OBD1 ECU because they were lazy and didn’t connect the proper OBD2 ECU and related sensors, which is a bitch to get working properly. If you notice all of the DTCs you have are for sensors I mentioned.

You need to read and search on how to connect or trick those sensors. All of which has been covered to death on this forum. If you read and fully understand these 2 links I'm posting you should not have a single question.

https://honda-tech.com/forums/hybrid-engine-swaps-18/gathering-ek-wiring-information-558245/

 

alright thanks but then again my car does idle funny and it was a obd1 so i think some of the things were disconnected?

 

Definitely not.