[RichyRich001]

2009 C70. When i fill the gas tank up, the gauge does not go to the Full mark. It Stays at a little more than 3/4 tank. Started doing this about a month ago. (according to the wife) Before that it would go all the way to the Full mark.

 

[jmcamp54]

Sounds like the sending unit in the fuel tank is defective.