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Old 09-14-2008, 05:20 PM   #3 (permalink)
TELVM
EcoModding Lurker
 
Join Date: Sep 2008
Location: Spain
Posts: 55

'El Misil' - '91 Opel Calibra 2.0i
Last 3: 29.02 mpg (US)
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ALDL = Assembly Line Diagnostic Link , a proprietary on-board diagnostics system used by General Motors before OBD-II was standardized in 1996, mostly 12-pin plug, with some 10-pin and 5-pin variants.

From what I've read I think Scangauge only works with 16-pin OBD-II cars.

However in principle ALDL provides all that is needed for fuel consumption calculation. There is some free software that can display engine rpm and injector pulse width, have a look here:
ALDL OBD1 OBD cable OBDI OBD2 engine codes
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