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  1. Lewis

    Toyota Tundra No Start with No ECM Communication

    If you run across a 2008 Toyota Tundra (3UR-FE) and have a no start, no ECM communication condition and there is no "Check Engine Light" bulb illuminated during the function check, disconnect the secondary air valves.These have a tendency to short the 5 volt reference line and stop all ECM...
    • Lewis
    • Thread
    • 3ur-fe check communication engine five no start reference toyota tundra volt
    • Replies: 40
    • Forum: Tech Help
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