New(To Me) '90 740 With Bad Fuel Economy + Tick

[JustinH]

So, a 25 year old car gets 16mpg, and that is a problem?

I got similar mileage in a 2008 grand marquis that was running perfectly.

 

[Kuato]

Any update?

 

[Brandon Gatz]

Performed seafoam treatment via vacuum line and she's a new car.