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May be a strange question but I have seen adapter cables from GM OBD1 to OBD2. I have a really comprehensive OBD2 machine and wondered if one of these would allow it to read my S4 or is ALDL to USB and laptop my only option?

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Thought as much. Ideally I would want an ALDL to USB as I don't have a laptop old enough for serial port. Any clues as to the best place for them. Eastern shores wont be a problem as im not in too much hurry.

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  • Gold FFM

You need a free scan or espritmon setup chap - it’s the only way of knowing if the TPS is set correctly. Without it being correct you may well never get 100% throttle - which is where the magic happens.

Only here once

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I agree Barry. I need the interface though so any pointers for a USB version would be great.

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Regarding your original query it depends on whether the diagnostic tool / software  is capable of ALDL diagnostics (some of the professional tools are) and how the ALDL to OBD-II cable is wired. If both tool and cable are suitable then the next hurdle would be whether the Esprit is supported. I expect that it would not be because, AFAIK, its datastream is unique to the Esprit.

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Thanks Derek. Hope you are keeping well. Have you finished that Mister 2 yet?

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Drop her off Derek. Ill sort your calliper/door lock and you sort my rich and lumpy running/ABS flashing on the Esprit lol.

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