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danzman9909
04-20-2011, 08:35 PM
i did a k 20a2 head swap into my a3 tryed to swap the ecu fuel pump did not turn on and no start do i need to get the ecu or keys repogramed? and alls i have is the ecu bought it used threw one 6 and dont have paper work for it. any answers?

USAF EP3
04-21-2011, 03:32 PM
Yes, the key needs to be reprogrammed. I'm not certain but I think the third unit (1 is key, 2 is the ECU) needs to be reprogrammed as well, it's located with the SRS unit. Anyone chime in here and correct me if I am wrong.

dstnbmxvr6
04-21-2011, 03:45 PM
immobilizer, you have to drive easily on your stock ecu to honda, have them reprogram it , less than 100 bucks

dayronvip
04-21-2011, 04:07 PM
ur best bet will be kpro and you dont have to give any explanition to the dealer guys they are always a pain in the ass!!!!!!.....self experience...