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Fuel guage issue with ic7

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Old Sep 28, 2022, 03:54 PM
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So I did have it right if that's pin 51 and then I changed it
Old Sep 28, 2022, 04:04 PM
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Ok thank you for all that I am now wired. I had it correct before I swapped it out when I got home from work and swapped it back
ok so something is wrong says I have no fuel
Says I have .70v and nothing I do changes that. So empty tank and it's full.
Old Sep 28, 2022, 04:31 PM
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is the pull up enabled?

is that AVI4 voltage being read through the ic7 itself?
Old Sep 28, 2022, 04:39 PM
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Originally Posted by SlowGTA
is the pull up enabled?

is that AVI4 voltage being read through the ic7 itself?
yes and yes

Idk if the voltage is correct or not. I need to get the fuel out of the tank to do so. But using the valutes you gave me thats what its reading. The only thing I can think of is maybe my bulletproof racing sending unit is different then the oem. I just thought of that. But if that were the case it would be different on the stock gauge as well. So I am missing something or somethin.
Old Sep 28, 2022, 04:41 PM
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Originally Posted by CurseDSM
yes and yes

Idk if the voltage is correct or not. I need to get the fuel out of the tank to do so. But using the valutes you gave me thats what its reading. The only thing I can think of is maybe my bulletproof racing sending unit is different then the oem. I just thought of that.

could be.

best thing to do would be to drain the tank out and record the value, then record the value at each 3 gallon interval or so.
Old Sep 28, 2022, 04:58 PM
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yeah I have made progress. I went to fuel level and did it by % instead of raw and put your values in and now I have .7v when I go back to raw and car is showing half a tank. So I think I am on the right track. Like you said I think I need to just drain the tank and start from there. Tomorrow I will swap the old cluster back in and see how much fuel I actually have according to the gauge and that will tell me how close I am on the IC-7. At least that will give me a rough idea so I can at least drive the car some till I can get some fuel to disappear.
Old Oct 3, 2022, 08:46 AM
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Ok so after an cold eventful weekend at the shootout I wanted to update. I did run out of fuel once. Thankfully I noticed right away and was able to coast to the gas station and to the pump before my car lost momentum. I think my settings are wrong. I couldn't for the life of me to get voltages to match up to anything and then and this is the sad part a totally drunk buddy of mine was like i have no clue what I am doing and did something with the ICC software and was like try that and it worked. But with that said when I did run out of fuel I was down 4 gallons of fuel. Car only took 10 gallons and its been so long since I've put fuel in the car Idk what the normal was. I thought it had a 14 gallon tank or something like that. But needless it say it reads 99% full and at 48% it took about 6 gallons so its close. Wiring is spot on thanks for that and the help Slowgta it was much appreciated. Now I am back I can fiddle with it some more to make sure its pretty accurate and be able to drive it again and hopefully get it tuned soon.
Old Oct 3, 2022, 01:37 PM
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glad its working out for you.
Old Oct 3, 2022, 01:54 PM
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Yeah thanks for all the help. I just have to figure out the full and empty stuff again. It is just odd that I ran out of fuel with 4 gallons left in the car. My bulletproff racing double pumper must sit a bit higher then stock stuff.
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