On a flat road, in cruise control, the % LOD settles down to the level that if you take a slight curve, just the additional drag on the tires shows up immediately as additional %LOD. The ScanGauge II is better in this respect as the sample rate is slower and the digital reading more steady. I asked the UltraGauge folks if it was possible to slow it down but got no where with that idea. The main reason I don't use the UltraGuage EM is that the sample rate is a bit fast, and this make all the readings move constantly. Everything that makes power or adjusts power is linked (through the ECM and a multitude of sensors) to the basic DEMAND or IMHO the Sprinter uses a "demand" system for everything having to do with the powertrain.ĭemand= % of engine LOAD (or LOD on the ScanGauge II).Īs the % LOD changes, the boost changes, the fueling rate at the injectors changes, and if sufficiently high (>90%) the transmission may shfit down. I'm completely amazed that on all the responders here, only one mentioned watching the absolute most important parameter to a Sprinter driver looking for better mileage and If so, how can you resolve 30.6 PSI Intake and 16.0 PSI Boost? Yes, there is 14.6 PSI difference, and that could be the absolute pressure differential, but it would make monitoring the actual boost (in either PSIG or PSIA) a bit confusing. Is this photo of something in the Ultragauge manual, or your actual UltraGauge with your engine running 2718.0 RPMs (Interesting.0.1 sensitivity on RPMs?). Sure you wouldn't rather have simple digital readings showing on the UltraGauge EM? Wow, what a cluttered mess to try to monitor!
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