Fuel Gauge Not Accurate 2024
RHuff reply :
I've noticed lately that my fuel Gauge is still showing like 1/2 a tank or more when I'm really on empty. Is there any way to check/clean/repair this so that it reads somewhat accurate again? My boat is a 2007 Triton VT-17 with 50HP Mercury. Thanks.
cfalco reply :
You can take the sensors off the top of the tank or tanks and replace them, they are cheap, this might help but bottom line is fill your tank every time you go fishing. That is what most people do, those tanks dont get stirred enough to be accurate. Also you can put Chevron Gas, with Techtron, in. After the few tanks that stuff will clean up every sensor you have in your engine system.
That gas is the only gas I use period in any of my boats or toys in general. Good gas for stuff that sits around more than it is used.
J Francho reply :
I've yet to own a boat that had an accurate gas gauge, lol. I don't fill up every trip, but I do check the tank visually.
Crappiebasser reply :
On 10/4/2017 at 10:08 PM, J Francho said:I've yet to own a boat that had an accurate gas gauge, lol. I don't fill up every trip, but I do check the tank visually.
This. I never trust a gas gauge.
RHuff reply :
Thanks guys. I guess I should be proactive and just check the tank physically before each trip.
J Francho reply :
I think what happens is condensation forms right on the top of the tank, where the sending unit is, and corrodes the connection. Either that, or whatever is inside the tank gets stuck.
MickD reply :
I agree that no gauge on boats is reliably accurate. Good suggestions above. I add that when adding gas it is a good idea to add a good marine gas additive. I use Sea Foam.
Jeff H reply :
Mine has always been pretty close but I look every other time out to be sure anyway.
Troy85 reply :
I trust the fuel gauge about as much as I trust the speedometer. I always visually check my tank.
RHuff reply :
Thanks guys. I use seafoam too. Have used Star-tron in the past with good results too. I always run an additive regardless.
NHBull reply :
They are called "idiot" gagged for a reason
WRB reply :
You should always know how much fuel you have.
Tom
tcbass reply :
On 10/4/2017 at 10:58 PM, RHuff said:Thanks guys. I guess I should be proactive and just check the tank physically before each trip.
How do you check the fuel tank visually? I can't see my tank even when I open up the back of the boat lid.
DINK WHISPERER reply :
Mine is pretty accurate but i still check it and fill up before or after a trip.
Further North reply :
On 10/6/2017 at 6:57 AM, tcbass said:
How do you check the fuel tank visually? I can't see my tank even when I open up the back of the boat lid.
Same here. The filler is on the port side gunwale, the tank itself is buried under the seats low in the center of the boat...it's a 42 gallon tank and I've never been able to put in even 30 gallons, even when the fuel gauge says I'm under 1/4 full.
PECo reply :
Mercury’s VesselView will guesstimate your fuel level based on usage. After you fill your tank, you input the total amount of fuel in the tank and it will tell you how much is left based on how much the motor has used.
Of course, though, you have to remember to tell it when you fill up the tank; I never do.
Fishing Rhino reply :
There has to be some way to visually inspect the fuel tank. How could it ever be inspected or serviced, such as replacing old fuel lines. On my boat and others I have seen, if you lift the liner from the rear side compartments, you can view the tank.
On my Nitro, I can also tilt up the seat bottoms which provide access to the mechanism that houses the fuel pick up tube and the sender for the fuel gauge. The seat cushions hinge in the front. The rear of the cushions can be lifted to tilt the seat.
I can see the entire top of the tank.
I always lift the liner from the rear port side storage compartment to watch the level of fuel whenever I add fuel.
PECo reply :
On 10/6/2017 at 7:54 PM, Fishing Rhino said:There has to be some way to visually inspect the fuel tank.
Nope. In my 2017 Triton 179 TrX fiberglass bass boat, I can access the pickup and sender on the top of the tank by removing a tray underneath the center step between the seats, but can’t see into the tank or the side of the tank, so there’s no way to see the level of the fuel in the tank.
moguy1973 reply :
I think it's just inherent that boat gas gauges are off. My tracker shows it's empty when it is still half full. I guess it's better to have gas in there when it says there isn't any than the other way around.
Fishing Rhino reply :
Have you checked with a Triton dealer? Or called the company?
S Hovanec reply :
On 10/6/2017 at 9:00 PM, moguy1973 said:I think it's just inherent that boat gas gauges are off. My tracker shows it's empty when it is still half full. I guess it's better to have gas in there when it says there isn't any than the other way around.
My Lund is the same way. Well, was the same way. Now it doesn't work at all. Time to tear up the floor and replace the sending unit!
WRB reply :
On 10/6/2017 at 8:15 PM, PECo said:Nope. In my 2017 Triton 179 TrX fiberglass bass boat, I can access the pickup and sender on the top of the tank by removing a tray underneath the center step between the seats, but can’t see into the tank or the side of the tank, so there’s no way to see the level of the fuel in the tank.
Look behind the center seat back, there should be a metal plate with louvre vents that you can remove to access the fuel gage sending unit on top of the tank. You can't visually see through the gas tank to determine fuel levels on my boat.
The gas gage works but it's not linear and I try to keep my gas tank full, if it drops below 1/2 it gets refilled. I use Sta-Bil fuel stabilizer.
Tom
DINK WHISPERER reply :
My dual tanks are fully accessible through the bilge.
PECo reply :
On 10/7/2017 at 2:14 AM, WRB said:Look behind the center seat back, there should be a metal plate with louvre vents that you can remove to access the fuel gage sending unit on top of the tank. You can't visually see through the gas tank to determine fuel levels on my boat.
Nope.
Lures'n'Liberty reply :
can you touch the bottom of the tank with a stick? the percentage of the stick that comes out wet should give you an idea as to how much fuel is in the tank if you can.
WRB reply :
On 10/7/2017 at 10:47 AM, PECo said:Nope.
No plate or can't see the top of the tank? The plate is black with white letters warning the fuel system is located behind this plate.
Tom
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