> mine one is not faulty but i want to reprogram it. Does this mean
> it might be impossible to track this chip

        Oh, reprogram it, well that's a different story. Are you sure the ECU you
have doesn't have a seperate EPROM chip? On older cars the EPROM is simply a
27Cxxx series chip. If not then I guess you WILL have to figure out which
chip it is. TTYL

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