Gas tank just shrunk!!!!

[Dragon]

The last four times I have filed up I am only registering 224-226 miles on full tank. Any ideas? I have been pulling a boat but that shouldn’t affect the. miles I have left on full tank should it?
Thanks
Biil

 

[Skidaddl]

The last four times I have filed up I am only registering 224-226 miles on full tank. Any ideas? I have been pulling a boat but that shouldn’t affect the. miles I have left on full tank should it?
Thanks
Biil

Pulling the boat will affect your average fuel economy. Have you reset the computer?

 

[Dragon]

No I haven’t. How do I do it?

 

[Skidaddl]

No I haven’t. How do I do it?

Try this: