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Just took the cover off the jb4 box and noticed that the diodes are still connected so I guess it's not an ISO board.
Changed plugs and coils.
The car has been holding good boost for the past couple days. I notice a jump in boost at partial throttle.
Data logs coming later today and might cut the diodes out and do an ISO conversion and firmware update. I hope this will help.
Btw found a code that was related to the ecu cooling fan. I reseated the fuse.
I took the car for a long drive and now will plug the laptop and c if any codes came up.
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