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  1. Engine light always on (even if TE1 and E1 and jumped)

    MKIV Technical
    Hey all, I posted a week back when I had an issue where I couldn't communicate with the ECU on my 93 JDM Supra (NA/Auto). See thread here Unable to communicate with ECU. Since then, I've done some reading and found out that maybe my ECU is messed up to a bad capacitor (All my crazy Lexus...
  2. Unable to communicate with ECU

    MKIV (1993-1998)
    Hi all! This is my first post to the forum here so apologies if this is a repeated post. I own a 1993 MK4 Supra 2JZ-GE auto and I have a check engine light. Since it's OBD1, I was informed that I can jump paper clip to terminal E1 and TE1 and the engine light would flash a certain amount of...
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