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Discussion Starter · #1 ·
with the JDM D15B i just bought, the o2 sensor has one wire, whereas my old one ran four. with the engine, i also aquired a jdm ecu. the old plugs/wires that run from the harness to the ecu have the four wires, but the ecu is only looking for one. will i have any problems, i.e. check engine light, or running on default fuel/ignition maps?
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