Onezz11
Sep 1, 2013, 07:59 AM
Why to I get horrible mpg all of the sudden
TxGreaseMonkey
Sep 1, 2013, 10:00 AM
Check for codes. The Oxygen Sensor, MAF Sensor, or Engine Coolant Temperature (ECT) Sensor may be bad. Also, check that the platinum spark plugs (Motorcraft only) have been changed in the last 50,000 miles.