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Message: <blockquote data-quote="GeeTeeFiveOh" data-source="post: 1017949" data-attributes="member: 16584">another data logged stumbled showed at time "x" my load spike up to 98% while I was cruising consistantly at around 45-50% load at steady speed on highway. During time x the only values that dropped to zero was the calculated instant MPG and MPH. The logged MPH is a bit different that what the speedo in the gauge cluster shows I think it is derived in some calculation however my rpm stayed pretty consistent around 1800 Sometimes my speedo in the cluster gets stuck at 90kph when I go past that speed and slow down, The datalogged MPH does not do this if I watch the computer while driving and this is the first I've seen it drop to zero while driving. I thought the speedometer is mechanical and seperate from the computer since you cant simply calibrate for different gears tires etc. Is this correct? I wanna rule the issue with the speedo getting stuck at 90 out for causing my stumble / buck</blockquote>