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tried a new alternator over the weekend with no change. the problem is also getting worse. I now have a tach going from 2400 to 0 then back to 2400. I have officially ran out of ideas.

It is one at a time sort of thing. always starts with fuel flow then progresses to others. The tach is read off the p-leads with a 30 ohm resister on each switch. All sensors are from dynon. I believe the only +5 volts I am using are for the MAP which is working fine and the only +12V I am...

Where do I start. I have had My D180 on my HRII for 27 hours now and am having some intermittent faulty readings. The problems starting occuring arround hour 15. I am not sure the unit is the problem. I am in hopes that someone in the forum will have some suggestions. The problems are: Fuel Flow...