1997 Ford Explorer Owner Guide 1st Printing - Page 221
1997 Ford Explorer Manual
Page 221 highlights
Capacities and specifications MOTORCRAFT PART NUMBERS Component Air filter Fuel filter Battery (standard) Battery (optional) Oil filter PCV valve Spark plug1 1 4.0L EFI engine FA-1616 FG-872 BXT-58 BXT-65-650 FL-1A EV-225 AGSF-22PP2 4.0L SOHC engine FA-1658 FG-872 BXT-58 BXT-65-650 FL-1A EV-225 AGSF-22PP2 5.0L engine FA-1658 FG-872 BXT-65-650 BXT-65-850 FL-820S EV-152 AWSF-32EE3 Refer to the Vehicle Emission Control Information (VECI) decal in the engine for gap specifications. If a spark plug must be replaced, use only spark plugs with the service number suffix letter EE as shown on the engine decal. 2 If a spark plug is removed for inspection, it must be reinstalled in the same cylinder. Cylinder numbers 1, 2, 3 have a PG suffix. Cylinder numbers 4, 5, 6 have a P suffix. 3 If a spark plug is removed for inspection it must be reinstalled in the same cylinder. Cylinder numbers 1, 2, 3, 4 have an EG suffix. Cylinder numbers 5, 6, 7, 8 have an E suffix. 222