Hello everyone, I have problem with my recently retro fitted Ford focus mk1.5 2003 trip computer. Everything works fine except fuel consumption is about 3 times too high and on idle a bit erratic (meaning going down and up and usually stays around 4.5 liter per hour and I think that way too high for 1.8 liter diesel engine). My question is how trip computer calculates? Does it get info like voltage or just 0 and 1 signal?
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