Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Large difference between ScanGauge and OBC

euromodder · 09-02-2010, 07:55 PM

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 ?

09-02-2010, 07:55 PM	#1 (permalink)
euromodder Master EcoModder Join Date: Jul 2010 Location: Belgium Posts: 4,683 The SCUD - '15 Fiat Scudo L2 Thanks: 178 Thanked 652 Times in 516 Posts	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 ? __________________ Strayed to the Dark Diesel Side