This means the spark plugs fire in that order, starting with cylinder number 1.
Here's how to identify the cylinders:
* Cylinder 1: Located on the passenger side of the engine, closest to the front of the vehicle.
* Cylinder 6: Located on the driver's side of the engine, closest to the front of the vehicle.
* Cylinder 5: Located on the driver's side of the engine, second closest to the front of the vehicle.
* Cylinder 4: Located on the passenger side of the engine, second closest to the front of the vehicle.
* Cylinder 3: Located on the passenger side of the engine, third closest to the front of the vehicle.
* Cylinder 2: Located on the driver's side of the engine, third closest to the front of the vehicle.
Important Note: This information applies to the 3.8L V6 engine found in the Ford Windstar from 1995 to 2003. Always consult your owner's manual or a reputable repair manual for the most accurate information for your specific vehicle year and engine.