Question about 2002 Hyundai Santa Fe

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Intermittent problem with fuel gauge staying on empty

2002 Santa Fe, 6 cylinder - happens more often when tank is half or below. When filling up with gas the gauge then goes to the top. Sometimes by jerking or rocking the car to get the gas sloching the gauge returns to normal. I tried adding Sea Foam to see if it would free up the float or device in the tank. Is there an additive that would help free up this problem? This has been happening more frequently in the past weeks.

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HI, i would go ahead and replace the sending unit in this vehicle. sea foam is good stuff and, if it did not fix this erratic gauge, it must be a malfunctioning sendi8ng unit. a bad ground would cause the gauge to read full all the time so, i wouldn't worry about the ground being bad at this time.

This is a faulty sending unit and, i would replace it asap if possible.

Posted on Jun 18, 2009

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Floater might be OK, the problem could be the contacts on the floater assembly. it could already been worn out and slightly in contact with each other!

Posted on Jun 18, 2009

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