Hello forum, This is what I'm doing: Start Z, go for a short drive to get up to operating temperature. Turn Z off Enter mode II with key in acc position Codes blink 55 While still in mode II, I turn car over After doing so, I get no blinking on the check engine light or the red ECU light. While the car is still running, I turn the pento for the second O2 sensor, and the ecu gives me two short blinks, then nothing. Ideas? The search bar has completely failed me on this one.
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