Owner Guide 5th Printing
Page 179
... if you are using an aftermarket product in high altitude areas that are experiencing starting, rough idle or hesitation driveability problems during a cold start, try a different brand of the world's automakers approved the World-wide... Your vehicle is not recommended for vehicles designed to use "Regular" unleaded gasoline because it may cause these problems to become more pronounced. Aftermarket products could cause damage to add any engine damage. (R+M)/2 METHOD 91 Fuel ... that meet the World-wide Fuel Charter. 179 2003 Mustang (mus) Owners Guide (post-2002-fmt) USA English (fus)
... if you are using an aftermarket product in high altitude areas that are experiencing starting, rough idle or hesitation driveability problems during a cold start, try a different brand of the world's automakers approved the World-wide... Your vehicle is not recommended for vehicles designed to use "Regular" unleaded gasoline because it may cause these problems to become more pronounced. Aftermarket products could cause damage to add any engine damage. (R+M)/2 METHOD 91 Fuel ... that meet the World-wide Fuel Charter. 179 2003 Mustang (mus) Owners Guide (post-2002-fmt) USA English (fus)