Quote:
Originally Posted by dcb
I have suggested measuring throttle position and RPM to get a relative measure of consumption. Then combining those signals and a speed in an mpguino like device for display. Can anyone think of why that is worse than nothing?
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The reason there are no mpguino-style gauges for older diesels is because the recirculating fuel system makes it impossible to measure how much fuel the engine is using at any point in time. Noting that there is a relationship between throttle and rpm doesn't change that. How would you calibrate all the different combinations of throttle and rpm to their fuel use - that's the original problem.