This project was a collaboration between myself and my son-in-law, Mikeo. First question to answer is that all boats built after 2009 SHOULD BE OBD-M equipped. Where your connector is located is the real question. Malibu puts one at the engine as well as under the dash. OBD-M is J1939 protocol so a ScangaugeD will work.
I just sold my 2013 Malibu VLX and purchased a new 2019 Malibu 20 VTX. It's equipped with the Monsoon 450 engine (PCM 6.0L 385 HP, 450 # torque). I moved my ScangaugeD from my old boat to the new. Just plugged right in under the dash and set the tank capacity to the new amount. First fill up the gas pump said 27.8 gallons. The Scangauge said 27.6. 2/10's of gallon difference. Same with the second fill up. The difference could be attributable to the pump shutoff point.
My new VTX has a really pessimistic gas gauge (I talked to Malibu tech support about it). The gauge says I'm out of fuel (and has a really irritating alarm as well) when the Scangauge says I have a quarter of a tank remaining. The Scangauge is correct every time.
My bigger engine has a greater fuel burn when surfing than my previous 350 Monsoon. Again, the Scangauge is right. (9.8 GPH vrs. 6.9 GPH). Oh well, if you can't afford the gas you shouldn't own the boat. BTW, my "little" 20 VTX puts out a better surf wake then my old 21 VLX.
I mounted the gauge the same as Mikeo did. No drilling required.
Accurate Fuel Flow Gauge
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in Miscellaneous Projects
Posted
This project was a collaboration between myself and my son-in-law, Mikeo. First question to answer is that all boats built after 2009 SHOULD BE OBD-M equipped. Where your connector is located is the real question. Malibu puts one at the engine as well as under the dash. OBD-M is J1939 protocol so a ScangaugeD will work.
I just sold my 2013 Malibu VLX and purchased a new 2019 Malibu 20 VTX. It's equipped with the Monsoon 450 engine (PCM 6.0L 385 HP, 450 # torque). I moved my ScangaugeD from my old boat to the new. Just plugged right in under the dash and set the tank capacity to the new amount. First fill up the gas pump said 27.8 gallons. The Scangauge said 27.6. 2/10's of gallon difference. Same with the second fill up. The difference could be attributable to the pump shutoff point.
My new VTX has a really pessimistic gas gauge (I talked to Malibu tech support about it). The gauge says I'm out of fuel (and has a really irritating alarm as well) when the Scangauge says I have a quarter of a tank remaining. The Scangauge is correct every time.
My bigger engine has a greater fuel burn when surfing than my previous 350 Monsoon. Again, the Scangauge is right. (9.8 GPH vrs. 6.9 GPH). Oh well, if you can't afford the gas you shouldn't own the boat. BTW, my "little" 20 VTX puts out a better surf wake then my old 21 VLX.
I mounted the gauge the same as Mikeo did. No drilling required.