Poor Fuel Economy: Notes
WARNING: This page does not describe the selected car, but rather 30 other vehicles, including the 2003 Mercury Sable, 2003 Mercury Mountaineer, 2003 Mercury Marauder, 2003 Mercury Grand Marquis, and 2003 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Fuel consumption can be increased during stop-and-go driving, trailer towing, short-run operation, extended winter warm-up periods, improper tire inflation or size, high speed driving, improper axle ratio, road and weather conditions, and aftermarket add-ons. Determine if any of these factors are the cause of poor fuel mileage before proceeding with diagnostic procedure.