difference between early and later pr4 ecus?
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difference between early and later pr4 ecus?
like title says, i have both an early model and later model pr4 ecu and i was wondering which one is closer if not the same as the obd1 p75 ecu. im running a 00 LS swap im my 99civic cpe and jumpered to OBD1. any help would be great and also if anyone knows of a link or a site that has the ecu diagram for both these ecus.
TIA
TIA
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