Obd2 to obd1 conversion
#1
Obd2 to obd1 conversion
i have a 99 civic coupe with GSR b18c1 swap i got a chipped and sockted obd1 ecu got the jumper harness everything is pluged in correct and the car has trouble starting but i will start when it dose it ldles at 2500 to 3000 rpm mess with the idle screw and nothing changes also the CEL has come on to the ECU has a basetune for my setup thought it was plug and play and help would be great
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