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Old 09-02-2010, 06:55 PM   #1 (permalink)
euromodder
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The SCUD - '15 Fiat Scudo L2
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Large difference between ScanGauge and OBC

I'm often seeing a huge difference between the readings on the ScanGauge and those on my car's onboard computer, while I'd expect they get the same information ?

The difference is often up to 2 liters/100 km and that's a lot when readings are in the 4 to 6 L/100 km range.

The ScanGauge is reading the high numbers, but unfortunately, it wasn't too far off the calculated tank average on my latest fillup - far less so than the OBC.

The ScanGauge has been calibrated twice, -5.8 and -4.3% as it was reading too high. Scanrate is set to normal.


What could cause this difference ?

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