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laserred02 · 08-16-2007, 12:10 AM

is that 13 city? that isn't terribly uncommon especially if you are driving it hard. drive less aggressive and you will see a major improvement. you should also seafoam the engine, as I saw significant mileage gains after doing so at 79k. Search for seafoam and there will be ton of threads for how to.

08-16-2007, 12:10 AM	#3
laserred02 4th Gear Member Join Date: Jul 2006 Location: Champaign, IL Posts: 1,061	RE: 3.8L poor gas mileage 13 MPG is that 13 city? that isn't terribly uncommon especially if you are driving it hard. drive less aggressive and you will see a major improvement. you should also seafoam the engine, as I saw significant mileage gains after doing so at 79k. Search for seafoam and there will be ton of threads for how to. __________________ 2007 5-speed V6 Grabber Orange PP Mustang VMP 93 Octane Performance Tune GT-Takeoff Muffler MGW Short throw shifter