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Power FC Speed Reading on Commander

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Old Jan 23, 2007 | 11:06 PM
  #1  
Stix37867's Avatar
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From: Des Moines, Iowa
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.
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Old Jan 23, 2007 | 11:51 PM
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From: LostAngeles
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.
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Old Jan 23, 2007 | 11:57 PM
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From: In A Disfunctional World
I know of one owner who's DL shows Battery Voltage as if it was divided by 10.
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Old Jan 24, 2007 | 08:35 AM
  #4  
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From: Des Moines, Iowa
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.
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Old Jan 24, 2007 | 10:19 AM
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From: In A Disfunctional World
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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