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    1UZ in 1976 FJ40. Check engine light wiring.

    I have the engine in. I have wired everything up that needs to be wired. ECU, Igniters, injectors, fuel pump. etc. The engine runs great, idles and revs smoothly. Engine is from 1992 sc400. I have the check engine (W) (blue and yellow) wire from the ecu isolated, not connected to anything...


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