Ricky Beals Posted August 15, 2023 Share Posted August 15, 2023 My fuel tank display is about a 1/3 of tank off. When its full it ahows 2/3 and when its 2/3rdits shows 1/3. Can someone specifically tell me how to remidy this? Quote Link to comment https://www.bigmacktrucks.com/topic/73171-fuel-tank-gauge-question/ Share on other sites More sharing options...
Joey Mack Posted August 15, 2023 Share Posted August 15, 2023 do you have dual tanks? the fuel sender is adjustable. match mark the sender before you remove it. It only goes in 1 way correctly. when its out, just bend the float arm ''down'' just a little bit, put it in with 2 screws and turn the key on to see the adjustment. repeat until you like what you see. My guess is the previouse owner set it that way because his driver would push the limits of the fuel level, and run it out of fuel.. Ask me how I know? 1 1 Quote Link to comment https://www.bigmacktrucks.com/topic/73171-fuel-tank-gauge-question/#findComment-537000 Share on other sites More sharing options...
Ricky Beals Posted August 15, 2023 Author Share Posted August 15, 2023 (edited) I do have duel tanks. Thanks JoJo Edited August 15, 2023 by Ricky Beals Quote Link to comment https://www.bigmacktrucks.com/topic/73171-fuel-tank-gauge-question/#findComment-537023 Share on other sites More sharing options...
Joey Mack Posted August 15, 2023 Share Posted August 15, 2023 Dual tanks isnt too important, other than I was hoping you had a lot of fuel on board. I assume you have a crossover hose at the bottom of the tanks? Quote Link to comment https://www.bigmacktrucks.com/topic/73171-fuel-tank-gauge-question/#findComment-537024 Share on other sites More sharing options...
70mackMB Posted August 15, 2023 Share Posted August 15, 2023 8 hours ago, Joey Mack said: Ask me how I know? Don't have to dare me! So, how is it that you know about this Joey?!! lol .....Hippy Quote Link to comment https://www.bigmacktrucks.com/topic/73171-fuel-tank-gauge-question/#findComment-537025 Share on other sites More sharing options...
Joey Mack Posted August 15, 2023 Share Posted August 15, 2023 I used to manage a fleet of 28 trucks and 35 trailers, Moffets and so on.. Drivers would push the limits on the fuel gauge because they thought they could make it back to the shop.. They run out of fuel, now I have road call... when a driver runs it out of fuel a couple times, thats when I adjust the fuel sender so that it looks like there is less fuel in the tanks.. Hell, it aint like they are pre-tripping, so Theres no way they are opening fuel caps to get a visual on the fuel level.. Quote Link to comment https://www.bigmacktrucks.com/topic/73171-fuel-tank-gauge-question/#findComment-537031 Share on other sites More sharing options...
MACKS Posted August 15, 2023 Share Posted August 15, 2023 It’s nice to have an accurate fuel gauge but most drivers don’t trust them anyway,it sucks running out of fuel.. 1 Quote Link to comment https://www.bigmacktrucks.com/topic/73171-fuel-tank-gauge-question/#findComment-537038 Share on other sites More sharing options...
Ricky Beals Posted August 16, 2023 Author Share Posted August 16, 2023 Jojo im assuming the sender is above the gas cap on the drivers side tank? Quote Link to comment https://www.bigmacktrucks.com/topic/73171-fuel-tank-gauge-question/#findComment-537050 Share on other sites More sharing options...
Joey Mack Posted August 16, 2023 Share Posted August 16, 2023 Yes it has wires on it Quote Link to comment https://www.bigmacktrucks.com/topic/73171-fuel-tank-gauge-question/#findComment-537052 Share on other sites More sharing options...
MACKS Posted August 16, 2023 Share Posted August 16, 2023 Pull the sending unit out,measure the depth of your tank let’s say it’s 30 inches deep,set the arm and the float to when straight out its 15 inches from the bottom and top of tank_ Quote Link to comment https://www.bigmacktrucks.com/topic/73171-fuel-tank-gauge-question/#findComment-537053 Share on other sites More sharing options...
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