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Fuel transfer issue

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Old Jun 16, 2020 | 06:13 PM
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Default Fuel transfer issue

Good day. 2010 C6 zr1. I have a p2066 fuel transfer issue. I have confirmed passenger tank fills up and car runs out of gas. My siphon jet pump and fuel pump are brand new. I havent changed the internal lines / o rings. Any ideas would be appreciated.
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Old Jun 16, 2020 | 08:47 PM
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Does this help?

https://www.autocodes.com/p2066_chevrolet.html
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Old Jun 23, 2020 | 11:03 PM
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I have the same issue, so I cleared the code. After clearing the code, your gas gauge will start working, (well, it did on my vette). Once your gas gauge start working, you will see how much gas you have left on the tanks. Buy two bottles of techron. Before you start filling up with gas on the vette, get one bottle and put it inside the tank, this first bottle will go to the driver side tank. Then start filling up your tank with about 10 gallons, stop. At this time put second bottle of techron, this will go to the passenger's side tank, then keep filling up with gas til stops.
hopelly, your gas tank sensors were just dirty.
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Old Jun 23, 2020 | 11:09 PM
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Originally Posted by SRuizV
I have the same issue, so I cleared the code. After clearing the code, your gas gauge will start working, (well, it did on my vette). Once your gas gauge start working, you will see how much gas you have left on the tanks. Buy two bottles of techron. Before you start filling up with gas on the vette, get one bottle and put it inside the tank, this first bottle will go to the driver side tank. Then start filling up your tank with about 10 gallons, stop. At this time put second bottle of techron, this will go to the passenger's side tank, then keep filling up with gas til stops.
hopelly, your gas tank sensors were just dirty.
thanks but it indeed is a fuel transfer issue. Both sensors and both pumps are brand new. I have the internal gas tank lines on order in case it might be a torn O ring issue.

don
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Old Jun 24, 2020 | 11:43 PM
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I see, good luck
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Old Jun 2, 2023 | 05:40 PM
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Did you ever figure this out?
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Old Jun 2, 2023 | 06:57 PM
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Originally Posted by Drift Vette
Did you ever figure this out?
yes, one of the internal lines was kinked.
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