4 of 4 people found this review helpful
Help on gas mileage
By robert crawford on
Vehicle2009 Mercury Grand Marquis LS 4dr Sedan (4.6L 8cyl 4A)
Reviewit handles well and the overall performance is great except for the gas mileage which is between 14-15 miles per gallon. I average driving about equal city and distant and have also tried high test gas to see if this would improve my mileage but to no avail. please give me so ideas to increase the gas mileage as i have a 1996 ford truck that does this well. thank you
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