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Hi, I'm Ron and I will be helping you today.Stand by for a moment while I prepare your answer.
There are 3 possibilities to cause that. One is a bad gauge, two is incorrect communications via the computer to the instrument cluster and three would be a bad fuel tank sending unit.
The diagnostics needs to start with a scan tool doing some testing.
Please understand that I don't know your skill level or tools youhave to assist us. Also understand that I can't see, smell, hear, ortouch the vehicle either, so your patience is appreciated. JA is agreat Q/A site, but it does not replace a repair shop. So pleasedon’t shoot the messenger if I have to deliver bad news:)If you are satisfied with my answer, I would greatly appreciate a 5star rating now and I will still assist you after you have rated metoo if another question pops up. I don’t get credit for helping youuntil you rate me.Thanks again, Ron
Thanks for the call.