Quote:
Originally Posted by xr_guys
... 2002 Boxster S ... Replaced the engine with a 2003 model Boxster S ... Following the Pelican Engine swap advice. Looks like I need to upgrade my ECU to 7.8 from 7.2. I got one from Ebay ... Only modification I did to the wiring is the transmission back up light connector from 5 speed to 6 speed.
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ok, so perhaps you didn't follow the pelican advise completely? they state that you have to modify the dme pinouts slightly; it appears you only modified for the difference in transmission (was the new ecu for a manual or a tip, as that needs to be coded in as well if i recall correctly). you might find that some pins have to be moved around. i suggest you get the dme schematic/pinouts for both a 2002 and a 2003, make an excel spreadsheet and compare the two. go on ebay and get a set of pin removal tools from china for $1.99 and move what you have to move. i'm thinking some of the CANbus wires have moved, and perhaps the k-line (obd signal).