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Old 03-03-2012, 03:27 PM   #6 (permalink)
Join Date: Oct 2009
Location: South Central AK
Posts: 933

escort - '99 ford escort sport
90 day: 42.38 mpg (US)

scoobaru - '02 Subaru Forester s
90 day: 28.65 mpg (US)
Thanks: 32
Thanked 146 Times in 97 Posts
Yes it works on OBD1. It directly monitors Fuel injection and vehicle speed sensors and calculates consumption directly from that. I got my VSS signal from the back of the cluster, the injector signal from a wire at the computer (I vaguely remember it being a brown one but there was a diagram somewhere on the interwebs) and the 12v + and ground from the clock.

Learn from the mistakes of others, that way when you mess up you can do so in new and interesting ways.

One mile of road will take you one mile, one mile of runway can take you around the world.
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