I have a Silverleaf engine monitor unit for sale. Unit plugs in to the data port of your RV or truck and connects to a PC. You can monitor or check every data point on the engine and can monitor speed, fuel consumption, turbo boost, average HP, instant HP and a host of other data points. I had it on a Fleetwood Discovery with a Cummins engine. Sold the RV and don't need this anymore.
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