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I have a navman fuel 3100 connected to my garmin gps. I have installed one, then two inline fuelfilters. I have bought a new prop( the part that connects to the fuelline), not once but twice. I have insulated the electrical wiring and installed everything according to instructions. I have callibrated the fuel.
BUT. It doesn`t work.
The first hour I had it, it seemed to work OK, but from then on it gives crazy indications. Before I insulated the electrical wiering it showed a fuel flow between 0.1 to 40 liters per hour (not very steady). After the insulation it shows a consumption of about 2 liters per hour, which in my case just cant be right either.
I have a Bayliner 2855 with a 7.5 L V8.
I have taken the instrument and all parts to the store where I bought it. They in turn have contacted other people who supposedly know about the navman. Neither could find anything wrong.
What on earth could be the problem ?????
Please help if you can.
Hi and welcome to FixYa,
To my understanding the sensor for the fuel flow would have to be connected right before the engine and after any filters. It might also be of help to double check the ground strap of the sensor, the Navman Fuel 3100 and the Garmin GPS. The ground strap is different from the negative power supply wire.
Good luck and Thank you for using FixYa. Happy Holidays.
Posted on Dec 22, 2008
Try to empty the air from the fuel lines using a air compressor then try again.
Posted on Dec 21, 2008
Try eliminating the 'loop' in the fuel line between fuel filter and fuel pump, with flow meter fit in between
as suggested on this website, Navman fuel gauge help - TeamTalk
Navman fuel appears to give troubles of this kind most of the time.
Posted on Dec 21, 2008
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Posted on Jan 02, 2017
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