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Old 11-14-2018, 01:57 PM   #1
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Gas Gauge Drops to Empty When Not

I posted last week about a problem with the trunk release not working. Found out it is a couple split wires in the trunk wiring. Talked to my father and he is going to splice them back together. In the meantime, I'm not bothering with the trunk since the Luggage Compartment Open light has stopped coming on every time I get in, and I don't want anything else to break. Last night, my husband forgets about it, and hits the trunk release button on his key fob. It opens, probably because the wires were touching or something. A repeat try did not work. After that, the stupid Luggage Open light kept coming on.

Fast forward to today. We are out, luggage open light keeps coming on every time you start up. However, a NEW problem emerged, and I don't know if it is related to this problem, a previous problem, or a brand new problem. I'm hoping you can help me out!

Husband turns on the car and we are sitting in park while I show him something. We hear a ding, and it is a Low Fuel warning, the little gas tank came on, and wow, the fuel gauge is at E, when seconds before it had been over 1/2 tank. He turned it off and turned it back on, and it was back to normal reading. Later, it happened again, and this time I said wait and see what it does. In a couple seconds, the light went off and the gauge rose to normal. Then, I noticed it while we were just idle, not in park, and it went down and then immediately came back up.

Could this in any way be related to the trunk release problem? Is there a wire for the gas tank back there too? We did have the evap purge valve codes last month and had the canister replaced. Could it have something to do with that, and the recent recall for gas tanks? Or is something like this completely unrelated to either of those?


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Old 11-15-2018, 08:44 AM   #2
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It could just be a sensor issue. I had a issue once where the gas gauge would read empty even though it wasn't and all I did was fill it up and cycle the car a couple of times and it fix the issue.
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Old 11-15-2018, 09:56 PM   #3
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Does the "distance to empty" value change when the fuel gauge incorrectly says that you are out of fuel?

As for the problem itself, sorry, no idea on how to fix it.
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Old 11-15-2018, 10:26 PM   #4
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Have you had recall 18s32 performed yet? This may be your concern because of a sucked up fuel tank.

Have a quick read

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Last edited by LonestarFF95; 11-15-2018 at 10:28 PM.
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Old 11-16-2018, 12:12 PM   #5
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Quote:
Originally Posted by LonestarFF95 View Post
Have you had recall 18s32 performed yet? This may be your concern because of a sucked up fuel tank.

Have a quick read

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Beat me to it. I would start here, unless there was a pool of gas under your vehicle.
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