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bad o2
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  1. Repair & Maintenance
    TL;DR: Oxygen (lambda) Sensor value is stuck at 1.27V after Wiring it in. Hi, Some of you might know I had wiring issues, Basically I didnt have O2 sensor, ECU Diagnose pin, and knock sensor wiring. They were cut out for some reason. I finally got got some diagrams for USDM ECU (mine is JDM)...
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