Anyone have a Fuel Gauge Issue?

Modshack

Assuming your average dealer tech is a professional may be a bit of a stretch from many reports here. They're going to have to dissasemble part of your interior to get to the fuel gauge senders as they are mounted in the fuel tank on both sides of the car (guys that have probably never taken a 370 apart before). It's not THAT simple. Personally I'd run a few bottles of Techron through your next few tanks of gas before I'd go that route. Techron has great success in scrubbing Fuel senders clean and bringing them back to full operation..It's worked for me and a bunch of my friends in the past,,

BTW, Senders are just simple rheostat type devices with a contact that moves up and down to make connections with the multiple contact strips and transmit electrical signals to the gauge and cause it to read from empty to full depending on the fuel level. Being submerged in fuel they tend to gunk up and stop reading correctly if good gas isn't used. The look like this:

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AK370Z

I have just filled up my gas tank to the brim and my last fuel dot is not lit up. This happened to me last two times too. After driving lets say 30-40 miles, the last led becomes visible again (sometimes). Weird

Good info DIGItonium. Your statement makes sense because sometimes the last dot did lit up after driving for a little while. Not sure what's the cause of this.

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schrute

Same thing used to happen on my Titan. The gauge would slowly rise from 3/4 to full the first 30 miles or so after a fill-up. I had the fuel sender replaced under warranty at the dealer but then it was even worse - after the "fix" it would go all the way to full as normal but then the tank would be empty at 1/4 on the needle with no low-fuel light. I ran out of gas on the first tank after the dealer "fix". Thanks Dealer!

So when the last light on the Z's gauge started doing the same thing on the Z (not lighting up after fill-ups) I listened to some other members here and went to Chevron for the next couple fill-ups (for the Techron). Hasn't happened since. Thanks guys!

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