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Power FC Speed Reading on Commander

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Old 01-23-07, 11:06 PM
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Speed Reading on Commander

I've yet to figure out why my speed displays wrong. When i switch it to graph mode, the speed somewhat follows rpm motion and is completely off. Anyone else have this problem because i couldn't find anything with the search function.
Old 01-23-07, 11:51 PM
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mjw
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Remember its in KM/HR and not MPH. I wondered something similar the first time I looked at a log..wtf I KNOW I wasn't going 180MPH back there.

Not sure if this helps your issue at all.
Old 01-23-07, 11:57 PM
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I know of one owner who's DL shows Battery Voltage as if it was divided by 10.
Old 01-24-07, 08:35 AM
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I know it's in kilometers. And the rest of the readouts are correct.

The thing that's weird is that it doesn't have a constant curve when i'm accelerating. Like when i get on the highway. You think it'd be a somewhat constant curve but mine drops a little when i shift and then starts jumping around. Usually when i'm at maybe 5mph, it reads 20+ kph. When i'm foing 40mph, it says i'm going 90-120kph. And when i'm going 70mph, it reads as if i'm going 120-180kph.
Old 01-24-07, 10:19 AM
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You have ways to figure this out.
(1) swap DL with someone
(2) if it still is off, then the DL is OK
(3) swap PFC with someone
(4) if it still is off, it is either wiring or the speed sensor.
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